Apple G4 manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293

Aller à la page of

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Apple G4. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Apple G4 ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Apple G4 décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Apple G4 devrait contenir:
- informations sur les caractéristiques techniques du dispositif Apple G4
- nom du fabricant et année de fabrication Apple G4
- instructions d'utilisation, de réglage et d’entretien de l'équipement Apple G4
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Apple G4 ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Apple G4 et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Apple en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Apple G4, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Apple G4, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Apple G4. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    Service Source K P o wer Mac G4/ Macintosh Ser v er G4 Power Mac G4 (AGP Graphics/Gigabit Ethernet/Digital Audio/ QuickSilver/QuickSilver 2002 /QuickSIlver 2002ED ), Power Mac G4 (PCI Graphics), Macintosh Server G4[...]

  • Page 2

    Service Source K © 2002 Apple Computer, Inc. All rights reserved. Basics Po wer Mac G4/ Macintosh Serv er G4[...]

  • Page 3

    Basics Product Description - 1 | Ov erview Pr oduct Description The Power Mac G4 is the first Power Mac computer based on the PowerPC G4 processor. Some configurations also include support for wireless networking, dual-channel USB, Gigabit Ethernet, dual processing, digital audio, and a wake/sleep power management feature.[...]

  • Page 4

    Basics Identifying Versions of the Power Mac G4 - 2 Identifying V ersions of the P ower Mac G4 There are six models of Power Mac G4 computers: AGP Graphics, PCI Graphics, Gigabit Ethernet, Digital Audio, QuickSilver, and QuickSilver 2002. Power Mac G4 (QuickSilver and QuickSilver 2002) computers are easy to identify. Unlike other Power Mac G4 model[...]

  • Page 5

    Basics New Technologies - 3 To identify the other Power Mac G4 models, check the I/O panel at the back of the computer. The sound ports align horizontally in the lower half of the I/O panel on PCI Graphics models and vertically on AGP Graphics/ Gigabit Ethernet models. On Digital Audio models, the sound ports are in the upper half of the I/O panel.[...]

  • Page 6

    Basics Standard Configurations - 4 | Features Standard Configurations Processor • 350 MHz,400 MHz, 450 MHz, 466 MHz, 500 MHz, 533 MHz, 733 MHz, 800 MHz, 867 MHz, 933 MHz, or 1 GHz PowerPC G4 processor; dual processors on some configurations • Velocity Engine vector processing unit with 162 integrated Single Instruction Multiple Data (SIMD) ins[...]

  • Page 7

    Basics Standard Configurations - 5 simultaneous 32-bit data streams • L2 or L3 cache • 100-MHz system bus (PCI Graphics/AGP Graphics/ Gigabit Ethernet) or 133-MHz system bus (QuickSilvers/Digital Audio) Memory • 64, 128, 256, or 512 MB of PC-100 SDRAM (PCI Graphics/AGP Graphics/Gigabit Ethernet) or 64, 128, 256, or 512 MB of PC-133 SDRAM (Qui[...]

  • Page 8

    Basics Standard Configurations - 6 Storage • One of the following hard drives: 10, 13, 20, 27, 30, 40, 60, or 80 GB Ultra ATA • One of the following optical drives: – CD-ROM drive – CD-RW drive – DVD-ROM drive – DVD-RAM drive – DVD-R/CD-RW drive – DVD/CD-RW drive • Optional 100 or 250 MB Zip drive • Three 3.5-inch hard drive exp[...]

  • Page 9

    Basics Standard Configurations - 7 Graphics Support • Video card installed in a dedicated graphics slot (either a PCI slot or an AGP slot) • Support for up to 1,600 by 1,200 pixel resolution at 32 bits per pixel and up to 85-Hz refresh rate • 15-pin mini D-Sub VGA connector • ADC connector for digital flat-panel display (not available on PC[...]

  • Page 10

    Basics Standard Configurations - 8 Electrical Requirements and Agency Appr ovals • Line voltage: 115V AC (90V to 132V AC) or 230V AC (180V to 264V AC) • Frequency: 47 to 63 Hz, single phase • Maximum continuous power (not including display): 200W EPA ENERGY STAR and Blue Angel compliant (some configurations) En vironmental Requir ements • O[...]

  • Page 11

    Basics Standard Configurations - 9 Size and W eight • Height: 17.0 inches (43.2 cm) • Width: 8.9 inches (22.6 cm) • Depth: 18.4 inches (46.7 cm) • Weight: 30.0 pounds (13.6 kg) Note: Storage devices and interfaces vary among configurations.[...]

  • Page 12

    Basics Configure-to-Order Options - 1 0 Configur e-to-Order Options The configure-to-order options are available from the Apple Store. For more information, view the options online at http://store.apple.com.[...]

  • Page 13

    Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Views - 1 1 | Vi e w s P ower Mac G4 (A GP Graphics/Gigabit Ethernet) V iews P ower Mac G4 (Digital A udio) V iews FireWire Ports (2) Sound Input Port USB Ports (2) Ethernet Port Internal Modem Port (Optional) VGA Monitor Port (Slot 1: AGP) Access Covers for Expansion Slots Sound Output Port CD or[...]

  • Page 14

    Basics Power Mac G4 (AGP Graphics/Gigabit Ethernet) Internal Locator - 1 2 P ower Mac G4 (A GP Graphics/Gigabit Ethernet) Internal Locator P ower Mac G4 (QuickSilvers/Digital A udio) Internal Locator Drive Bay 1 Drive Bay 2 Drive Bay 3 SDRAM Slots (4) AGP Slot PCI Slots (3) AGP Slot S DRAM Slots (3) PCI Slots (4) Drive Bay 3 Drive Bay 2 Drive Bay 1[...]

  • Page 15

    Basics PowerMac G4 (AGP Graphics/Gigabit Ethernet) Logic Boards - 1 3 P owerMac G4 (A GP Graphics/Gigabit Ethernet) Logic Boards Batter y PCI Slots Po w e r FireWire  P or ts (2) Internal FireWire  Po r t  (not included on Gigabit models) USB  P or ts A & B Ether net  Connector SDRAM DIMM Slots Speaker PMU Button U[...]

  • Page 16

    Basics PowerMac G4 (QuickSilvers/Digital Audio) Logic Board - 1 4 P owerMac G4 (QuickSilvers/Digital A udio) Logic Board Battery PCI Slots Power FireWire Ports (2) USB Ports A & B Ethernet Connector SDRAM DIMM Slots Speaker PMU Button Ultra A T A Connector Modem Connector Front Panel Board AirPort Connector Monitor Card Slot IDE Connector Singl[...]

  • Page 17

    Basics Power Mac G4 (PCI Graphics) Logic Board - 1 5 P ower Mac G4 (PCI Graphics) Logic Board J1 A T A-3 (CD/D VD-ROM  and Zip Drive J15 Ultra DMA/33 (A T A Dr ives) J23 P ow er Batter y S5 P ow er Button S4 Cuda Button J8 CD A udio J31 F ront P anel Board Processor Plug-In Slot J34 Speaker J25 Jumper Bloc k  (w/sti[...]

  • Page 18

    Basics Strategy and Ordering - 1 6 | Repair Strate gy/W arranty Strategy and Ordering Service Power Mac G4 computers through module exchange and parts replacement. Apple-authorized service providers planning to support the computer systems covered in this manual may purchase service modules and parts to develop servicing capability. To order parts,[...]

  • Page 19

    Basics Strategy and Ordering - 1 7 USA Ordering U.S. service providers not enrolled in AppleOrder may fax their orders to Service Provider Support (512-908- 8125) or mail them to: Apple Computer, Inc. Service Provider Support / MS 212-SPS 2323 Ridgepoint Drive Austin, TX 78754 For U.S. inquiries, please call Service Provider Support (800-919-2775, [...]

  • Page 20

    Basics Warranty - 1 8 Canadian Ordering Canadian service providers not enrolled in ARIS may fax their orders to Service Provider Support in Canada (800- 903-5284). For Canadian inquiries, please call Service Provider Support (800-217-9517). W arranty U .S. Only Power Mac G4 computers are covered under the Apple One- Year Limited Warranty. The Apple[...]

  • Page 21

    Basics Warranty - 1 9 Canada Only Power Mac G4 computers are covered under the Apple One- Year Limited Warranty. The AppleCare Protecion Plan is also available for these products. Service providers are reimbursed for warranty and AppleCare Protection Plan repairs. For pricing information, refer to Service Price Pages.[...]

  • Page 22

    Service Source K © 2002 Apple Computer, Inc. All rights reserved. T ake Apart Po wer Mac G4 / Macintosh Serv er G4[...]

  • Page 23

    Take Apart Identifying Models of the Power Mac G4 - 1 General Identifying Models of the P ower Mac G4 There are six models of Power Mac G4 computers: AGP Graphics, PCI Graphics, Gigabit Ethernet, Digital Audio, QuickSilver, and QuickSilver 2002. Power Mac G4 (QuickSilver and QuickSilver 2002) computers are easy to identify. Unlike other Power Mac G[...]

  • Page 24

    Take Apart Identifying Models of the Power Mac G4 - 2 have a silver-colored case. They also have a recessed speaker on the front panel. To identify the other Power Mac G4 models, check the I/ O panel at the back of the computer. The sound ports align horizontally in the lower half of the I/O panel on PCI Graphics models and vertically on AGP Graphi[...]

  • Page 25

    Take Apart Identifying Models of the Power Mac G4 - 3 expansion slots, instead of three slots on PCI/AGP Graphics/Gigabit Ethernet models. To further distinguish Gigabit Ethernet models from AGP Graphics models, check the logic boards. AGP Graphics boards include an internal FireWire connector at J9; Gigabit Ethernet boards do not. Note: Except whe[...]

  • Page 26

    Take Apart Tools - 4 T ools • Flatblade screwdriver • Phillips screwdriver • Allen wrench (2.5 mm) to remove the power supply, side panels, top and rear handles, and front and rear supports • Jeweler’s screwdriver to remove the I/O panel cover and antenna • Needlenose pliers to remove the right and left side panels • ESD mat[...]

  • Page 27

    Take Apart Opening the Computer - 5 Procedures Opening the Computer No preliminary steps are required before you begin this procedure.[...]

  • Page 28

    Take Apart Opening the Computer - 6 1. Lift the latch to unlock the right side access panel. Note: Make sure the security bar is in the unlock position. 2. Gently lower the side panel onto a clean, ESD- safe mat to avoid scratching the case. Lower the side panel until it lies flat.[...]

  • Page 29

    Take Apart Video Card - 7 V ideo Card Before you begin, do the following: • Open the side access panel. • Remove the external video cable. Note: The AGP video card is always installed in slot 1 (short slot). The DVD decoder module is used only in Power Mac G4 (PCI Graphics) computers.[...]

  • Page 30

    Take Apart Video Card - 8 1 . Remove the video card mounting screw. 2 . If a plastic clip sur- rounds the video card connector, gently p ull back the clip’ s tab to release the card. Then gently pull the card up , and remov e it from the AGP slot. 3. Power Mac G4 (PCI Graphics): If you are replacing the DVD decoder module, pull it straight off th[...]

  • Page 31

    Take Apart Video Card - 9 Replacement Note: If the replacement card does not hav e a f ence already installed, attach the f ence enclosed in the bo x. Using a Phillips screwdriv er , install the two small Phillips screws on either side of the ADC connector and the two large Phillips scre ws on the f ence side tabs. Using pliers, install the two jac[...]

  • Page 32

    Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 10 Modem, A GP Graphics/Gigabit Ethernet/Digital A udio/ QuickSilvers Note: The Power Mac G4 (AGP Graphics/Gigabit Ethernet/Digital Audio/ QuickSilver/QuickSilver 2002) modem requires a modem filter; the two are separate parts. To remove the modem, you do not need to remov[...]

  • Page 33

    Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 11 W arning: Use care when disconnecting or connecting the modem to the J27 connector on the logic board. Bent pins in the J27 connector could cause a short in the logic board. 1 . Remove the two modem mounting screws. 2. Lift the modem straight up to disconnect it from th[...]

  • Page 34

    Take Apart Modem, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers - 12 3 . Disconnect the modem filter cable from the modem. 4 . Remove the modem from the computer. Replacement Note: After replacing an international modem, use the Modem Country Selector utility to set the modem to the correct country.[...]

  • Page 35

    Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers Modem Filter , A GP Graphics/Gigabit Ethernet/Digital A udio/ QuickSilvers Before you begin, do the following: • Open the side access panel. • Remove the logic board.[...]

  • Page 36

    Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 1 . Remove the screw that secures the modem filter to the I/O panel.[...]

  • Page 37

    Take Apart Modem Filter, AGP Graphics/Gigabit Ethernet/Digital Audio/QuickSilvers 2. Free the modem filter cable from the chassis guides and remove the modem filter from the computer.[...]

  • Page 38

    Take Apart Modem, PCI Graphics - 1 6 Modem, PCI Graphics Before you begin, open the side access panel. W arning: Use care when disconnecting or connecting the modem to the J27 connector on the logic board. Bent pins in the J27 connector could cause a short in the logic board.[...]

  • Page 39

    Take Apart Modem, PCI Graphics - 1 7 1 . Remove the screw (located next to the modem port) that secures the modem to the I/O panel. 2 . Remove the screw that secures the modem leg standoff to the logic board.[...]

  • Page 40

    Take Apart Modem, PCI Graphics - 1 8 3. Carefully disconnect the flexible modem cable from the logic board. Important: The modem cable is very fragile. 4. Gently lift up the modem to remove it from the logic board. Note: If you are replacing the modem, continue with the Take Apart procedures to remove the modem from the bottom modem shield.[...]

  • Page 41

    Take Apart Modem, PCI Graphics - 1 9 5. With a jeweler’s screwdriver, pry up the metal tabs on the top shield. 6. Carefully disconnect the flexible modem cable from the modem board.[...]

  • Page 42

    Take Apart Modem, PCI Graphics - 2 0 7 . Remove the screw securing the modem to the bottom shield.[...]

  • Page 43

    Take Apart Modem, PCI Graphics - 2 1 8. Note: There are two tiny metal tabs on the inside of the bottom shield. The modem rests on these tabs so it does not make contact with the bottom shield. With a needlenose pliers, pinch the tiny metal tabs flat so the modem board can be removed from the bottom shield.[...]

  • Page 44

    Take Apart Modem, PCI Graphics - 2 2 9. Carefully spread the sides of the bottom shield out just enough so the modem clears the tabs, and starts to fall out of the bottom shield. 10. Carefully remove the modem from the bottom shield. Replacement Note: After replacing an international modem, use the Modem Country Selector utility to set the modem to[...]

  • Page 45

    Take Apart FireWire Board, PCI Graphics - 23 Fir eWir e Board, PCI Graphics Note: The FireWire board is used only in Power Mac G4 (PCI Graphics) computers. Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver/ QuickSilver 2002) computers have FireWire built into the logic board. Before you begin, do the following: • Open the sid[...]

  • Page 46

    Take Apart FireWire Board, PCI Graphics - 24 1 . Remove the screw securing the FireWire board to the I/O panel. 2 . Remove the screw that secures the FireWire board to the metal standoff. 3. Disconnect the FireWire cable, the short 3-pin cable from the back of the FireWire board or logic board. 4. Gently lift up the FireWire board to remove it from[...]

  • Page 47

    Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 2 5 Pr ocessor Fan, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel.[...]

  • Page 48

    Take Apart Processor Fan, Power Mac G4 (QuickSilvers) - 2 6 1 . Disconnect the processor fan cable from the logic board. 2 . Remove the two fan mounting screws. 3. Lift the processor fan out of the computer.[...]

  • Page 49

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 27 Pr ocessor Module, P ower Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel. • Remove the processor fan. ± W arning: The heatsink covering the processor may be hot. If the computer has been recently operating, allow it to cool down before perform[...]

  • Page 50

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 28 1. For single processors: Release the right heat- sink clip by pressing down on the top of the clip with one finger while using a small flatblade screwdriver to lift up and out on the clip’s front tab. Repeat for the left heatsink clip.[...]

  • Page 51

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 29 2. For dual processors: Release the right heat- sink clip by pressing down on the top of the clip with a screwdriver while using a second flatblade screwdriver to lift up and out on the clip’s front tab. Repeat for the left heatsink clip. ± W arning: Be careful when pressing down on t[...]

  • Page 52

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 30 3 . Remove both clips and lift the heatsink off the processor module. ± W arning: When removing the heatsink, be careful not to bend the processor module beneath it.[...]

  • Page 53

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 31 ± W arning: Double-check that the computer is turned off before performing this procedure. The screw in the bottom left circle of the illustration conducts 12 V and could spark if grounded while the computer is on. 4 . Remove the four mounting screws.[...]

  • Page 54

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 32 5 . To disconnect the processor from the logic board, hold it by the long edges, gently rock the processor right to left, and lift straight up. ± W arning: Hold the module as shown when removing or installing it to avoid bending the processor connector pins. Replacement Note: When repla[...]

  • Page 55

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 33 conducting screw is loose, arcing can occur, damaging the processor. Important: If you are installing a new processor, use the screw included in the processor box. Install the screw in the screw hole exposed by the heatsink, as shown in the illustration. Be sure to tighten the screw snug[...]

  • Page 56

    Take Apart Processor Module, Power Mac G4 (QuickSilvers) - 34 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple. ± W arning: Be sure to reinstall the heatsink after replacing or reinstalling the processor modul[...]

  • Page 57

    Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 5 Pr ocessor Module, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel. ± W arning: The heatsink covering the processor may be hot. If the computer has been recently operating, allow it to cool down before performing this procedure[...]

  • Page 58

    Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 6 1. While pressing down on the top of the heatsink clip, use a small flatblade screwdriver to lift up and out on the front tab of the clip to release it. 2. Remove the heatsink clip and lift the heatsink off the processor module. ± W arning: When removing the heatsink, b[...]

  • Page 59

    Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 7 3 . Remove the processor mounting screws. 4 . To disconnect the processor from the logic board, hold it by the edges nearest the two opposing screw holes (on either side of the connector), gently rock the processor right to left, and lift straight up. ± W arning: Hold t[...]

  • Page 60

    Take Apart Processor Module, AGP Graphics/Gigabit Ethernet/Digital Audio - 3 8 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple. Make sure the hole in the cover aligns with pin one (marked by a white V) on the [...]

  • Page 61

    Take Apart Processor Module, PCI Graphics - 39 Pr ocessor Module, PCI Graphics Before you begin, open the side access panel. Note: The Power Mac G4 (PCI Graphics) processor requires a jumper installed at J25 on the logic board.[...]

  • Page 62

    Take Apart Processor Module, PCI Graphics - 40 1 . Remove the screw that attaches the heatsink ground wire to the logic board. ± W arning: The heatsink may be hot to the touch. If the computer has been operating, allow it to cool down before continuing. 2. While pressing down on the top of the heatsink clip, use a small flatblade screwdriver to re[...]

  • Page 63

    Take Apart Processor Module, PCI Graphics - 41 3. Remove the heatsink clip and lift the heatsink off the processor module. 4. Lift the lever to release the processor module.[...]

  • Page 64

    Take Apart Processor Module, PCI Graphics - 42 5. Holding the processor by the edges, gently lift it straight up to disconnect it from the logic board. Caution: Be careful not to bend the pins under- neath the module. Important: If you are only replacing the processor module, stop here. If, however, you are removing the processor module to replace [...]

  • Page 65

    Take Apart Processor Module, PCI Graphics - 43 6. Remove the warranty sticker and jumper block only if you are replacing the logic board. White jumper: 400 MHz Blue jumper: 350 MHz Caution: When removing the jumper, be sure not to leave its inner metal clips on the old jumper connector. If the clips are left behind, install a new jumper on the new [...]

  • Page 66

    Take Apart Processor Module, PCI Graphics - 44 7. Install the jumper block with the gold connector pins facing toward the board. Be sure the pins are covered as shown. Processor Jumper Block 400 MHz White 350 MHz Blue[...]

  • Page 67

    Take Apart Processor Module, PCI Graphics - 45 Replacement Note: Position the processor module over the slot, seat it evenly, and press down gently on the module to install it. If you are installing a new processor, i nstall a gap filler on it as illustrated. Caution: On modules with capacitors, make sure all capacitors show through the opening in [...]

  • Page 68

    Take Apart Processor Module, PCI Graphics - 46 Important: If you are replacing the processor module, you must also transfer the replacement module’s connector cover to the connector on the original module before returning it to Apple. Make sure the hole in the cover aligns with pin one (marked by a white V) on the connector.[...]

  • Page 69

    Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 47 Logic Board, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel and remove the following: • video card • processor fan • processor module • PCI cards (if present) • modem (if present) • AirPort card (if present) ± W arning: Be sure to reinstall the heatsink[...]

  • Page 70

    Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 48 will destroy the processor. 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the four logic board mounting screws. 3 . Remove the three processor module standoffs.[...]

  • Page 71

    Take Apart Logic Board, Power Mac G4 (QuickSilvers) - 49 4. Slide the logic board away from the I/O panel to clear the board guides. 5. Tilt the logic board so that the ports clear the openings in the I/O panel and lift the board out of the computer. Important: If you are replacing the logic board, transfer the processor module, video card, PCI car[...]

  • Page 72

    Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 0 Logic Board, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel and remove the following: • video card • processor module • PCI cards (if present) • modem (if present) • AirPort card (if present) Note: While the layout of the [...]

  • Page 73

    Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 1 procedure, the steps for removing the board are the same. 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the three logic board mounting screws. 3. For Power Mac G4 (Gigabit Ethernet/ Digital Audio) computers, remove the three processor[...]

  • Page 74

    Take Apart Logic Board, AGP Graphics/Gigabit Ethernet/Digital Audio - 5 2 4. Slide the logic board away from the I/O panel to clear the board guides. 5. Tilt the logic board so that the ports clear the openings in the I/O panel and lift the board out of the computer. Important: If you are replacing the logic board, transfer the processor module, vi[...]

  • Page 75

    Take Apart Logic Board, PCI Graphics - 53 Logic Board, PCI Graphics Before you begin, open the side access panel and remove the following: • video card • PCI cards (if present) • modem (if present) • FireWire board[...]

  • Page 76

    Take Apart Logic Board, PCI Graphics - 54 1. Disconnect all cables from the logic board. 2 . Using a Phillips screwdriver, remove the logic board mounting screws. 3 . Remove the standoff that attaches to the FireWire board.[...]

  • Page 77

    Take Apart Logic Board, PCI Graphics - 55 4. Tilt the logic board so that the ports clear the openings in the I/O panel. 5 . Lift the board out of the computer. Important: If you are replacing the logic board, you must transfer the processor module, jumper, video card, PCI cards, memory cards, FireWire board, and modem from the original logic board[...]

  • Page 78

    Take Apart Logic Board, PCI Graphics - 56 new warranty sticker, which comes with the replacement logic board. See the Take Apart topic “Processor Module, Power Mac G4 (PCI Graphics).”[...]

  • Page 79

    Take Apart SDRAM DIMM - 57 SDRAM DIMM Before you begin, open the side access panel.[...]

  • Page 80

    Take Apart SDRAM DIMM - 58 1 . Push down on the connector clips to unlock the DIMM. 2. Holding the DIMM by both top corners, lift straight up out of the slot. W arning: When removing or installing the DIMM, handle it only by the edges. Lift the DIMM straight up from the connector to remove it, and insert the DIMM straight down into the connector to[...]

  • Page 81

    Take Apart Hard Drive, IDE /ATA - 5 9 Hard Driv e, IDE /A T A Before you begin, open the side access panel. Note: The Power Mac G4 supports a total of three internal hard drives. It can accommodate up to two Ultra ATA drives in drive bay 3, near the rear of the computer. ATA drives are not supported in drive bay 1 or 2. Note: You must assign a SCSI[...]

  • Page 82

    Take Apart Hard Drive, IDE /ATA - 6 0 with the ID number already assigned to another drive. One factory-installed drive has ID 0; a second factory- installed drive has ID 1.[...]

  • Page 83

    Take Apart Hard Drive, IDE /ATA - 6 1 1 . Disconnect the Ultra ATA hard drive data cable and the hard drive power cable (P3) from the hard drive.[...]

  • Page 84

    Take Apart Hard Drive, IDE /ATA - 6 2 2. Remove the hard drive carrier mounting screw. 3 . Pull the drive carrier back and lift up at an angle to release the carrier tabs from the slots in the chassis. 4. Remove the carrier and drive from the computer.[...]

  • Page 85

    Take Apart Hard Drive, IDE /ATA - 6 3 5. If you’re returning the drive to Apple, remove the screws that mount the hard drive to the carrier. 6. Lift the hard drive from the carrier. Note: Drives must be returned to Apple in Apple packaging, without cables or carriers. Failure to comply with this requirement may result in a packaging noncompliance[...]

  • Page 86

    Take Apart Hard Drive, IDE /ATA - 6 4 Replacement Note: To install two drives in the U-shaped carrier, install the first drive in the bottom of the carrier. Then place the second drive in the carrier’s upper bay and attach screws through the sides of the carrier into the sides of the drive. Note that tightening screws on the left side of the carr[...]

  • Page 87

    Take Apart Hard Drive, IDE /ATA - 6 5 Replacement Note: When reconnecting a dual-drive ATA cable to drives installed in a U-shaped carrier, be sure to attach the end connector to the drive in the bottom of the carrier.[...]

  • Page 88

    Take Apart Hard Drive, Ultra2 LVD SCSI - 6 6 Hard Driv e, Ultra2 L VD SCSI Before you begin, open the right side access panel. Note: This computer supports a total of three internal hard drives. If a unit has at least one internal Ultra2 LVD SCSI drive, an Ultra2 LVD SCSI PCI card, and a SCSI data cable, you can connect additional internal and exte[...]

  • Page 89

    Take Apart Hard Drive, Ultra2 LVD SCSI - 6 7 this cable has a built-in terminator so you don’t need to add one. You can connect external Ultra2 LVD SCSI devices to the port on the rear of the computer. If the computer came with one Ultra2 LVD SCSI drive, it’s installed in drive bay 1, near the front of the computer. If it came with two drives, [...]

  • Page 90

    Take Apart Hard Drive, Ultra2 LVD SCSI - 6 8 You must assign a SCSI ID number to every additional hard drive and the number must not conflict with the ID number already assigned to a drive on the SCSI chain. One factory-installed drive has ID 0; a second factory- installed drive has ID 1; a third drive has ID 2. The SCSI PCI card has ID 7.[...]

  • Page 91

    Take Apart Hard Drive, Ultra2 LVD SCSI - 6 9 1. Disconnect the Ultra2 LVD SCSI cable from the Ultra2 LVD SCSI card.[...]

  • Page 92

    Take Apart Hard Drive, Ultra2 LVD SCSI - 7 0 2. Disconnect the SCSI hard drive power cable (P5). Caution: Pull the SCSI power cable straight out of the connector on the drive. Any up or down motion to the connector could damage the drive. Replacement Note: The power cables attach to drives as follows: P5 attaches to bay 1 P2 attaches to bay 2 P3 at[...]

  • Page 93

    Take Apart Hard Drive, Ultra2 LVD SCSI - 7 1 4. Remove the hard drive carrier mounting screw. 5 . Pull the drive carrier back and lift up at an angle to release the carrier tabs from the slots in the chassis. 6. Remove the carrier and drive from the computer.[...]

  • Page 94

    Take Apart Hard Drive, Ultra2 LVD SCSI - 7 2 7. If you’re returning the drive to Apple, r emove the SCSI data cable and terminator (black plastic housing) from the top of the drive. The cable and terminator are attached to the drive with double-stick foam tape.[...]

  • Page 95

    Take Apart Hard Drive, Ultra2 LVD SCSI - 7 3 8. If you’re returning the drive to Apple, you must also remove the hard drive carrier. Remove the four screws from the carrier and lift out the drive. Note: Drives must be returned to Apple in Apple packaging, without cables or carriers. Failure to comply with this requirement may result in a packagin[...]

  • Page 96

    Take Apart Hard Drive, Ultra2 LVD SCSI - 7 4 9. If you’re replacing the thermal pad on the drive, remove the old pad and apply the new pad to the same area on the drive. Important: Before installing a new 36 GB Ultra2 LVD SCSI IBM drive, you must apply a thermal pad, part number 922-3863.[...]

  • Page 97

    Take Apart Ultra2 LVD SCSI Card - 7 5 Ultra2 L VD SCSI Card Before you begin, open the side access panel.[...]

  • Page 98

    Take Apart Ultra2 LVD SCSI Card - 7 6 1. Remove the Ultra2 LVD SCSI card mounting screw. 2. Disconnect the Ultra2 LVD SCSI cable from the PCI card. Note: Make sure no external cable is attached to the card. 3. Gently lift up on the Ultra2 LVD SCSI card to remove it from the PCI slot.[...]

  • Page 99

    Take Apart Carrier Support Plate - 77 Carrier Support Plate Note: Perform this procedure only if you must replace the support plate or the cables below the plate. Before you begin, do the following: • Open the side access panel. • Remove the hard drive carrier in drive bay 1.[...]

  • Page 100

    Take Apart Carrier Support Plate - 78 1 . Remove the two support plate mounting screws from the bottom of the unit.[...]

  • Page 101

    Take Apart Carrier Support Plate - 79 2 . Lift the plate at an angle and remove it from the computer.[...]

  • Page 102

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 80 CD/D VD Driv e, Po wer Mac G4 (QuickSilvers) Before you begin, open the side access panel. Note: You remove the drive carrier from the computer with the drives attached to the carrier.[...]

  • Page 103

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 81 1. Remove the four screws that attach the drive carrier to the chassis.[...]

  • Page 104

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 82 2 . Supporting the bottom of the carrier, slide it back and rotate it so you can reach the drive cables.[...]

  • Page 105

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 83 3. Carefully detach the ribbon cable tape from the top of the carrier. 4. Disconnect the following cables from the back of the CD/DVD/Zip drives: • ribbon cable from the CD/DVD and Zip drives • power cable (P6) from the CD/DVD drive • power cable (P7) from the Zip drive 5. Remove the c[...]

  • Page 106

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 84 6 . Using a Phillips screwdriver, remove the four CD/DVD drive carrier mounting screws. 7. Slide the drive out of the carrier.[...]

  • Page 107

    Take Apart CD/DVD Drive, Power Mac G4 (QuickSilvers) - 85 Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on the bottom of the carrier fit into the two notches in the drive shelf.[...]

  • Page 108

    Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 86 Zip Bezel/Blank Bezel, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel.[...]

  • Page 109

    Take Apart Zip Bezel/Blank Bezel, Power Mac G4 (QuickSilvers) - 87 1. From inside the chassis, behind the front panel, push the bezel tab forward to release the right side of the bezel. 2 . Disconnect the hook on the left side of the bezel from the front panel and remove the bezel from the computer.[...]

  • Page 110

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 88 Zip Driv e, Power Mac G4 (QuickSilvers) Before you begin, open the side access panel. Note: You remove the drive carrier from the computer with the drives attached to the carrier.[...]

  • Page 111

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 89 1. Remove the four screws that attach the drive carrier to the chassis.[...]

  • Page 112

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 90 2 . Supporting the bottom of the carrier, slide it back and rotate it so you can reach the drive cables.[...]

  • Page 113

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 91 3. Carefully detach the ribbon cable tape from the top of the carrier. 4. Disconnect the following cables from the back of the CD/DVD/Zip drives: • ribbon cable from the CD/DVD and Zip drives • power cable (P6) from the CD/DVD drive • power cable (P7) from the Zip drive 5. Remove the carr[...]

  • Page 114

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 92 6. Slide the Zip drive carrier off the main carrier.[...]

  • Page 115

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 93 7 . Using a Phillips screwdriver, remove the four Zip drive mounting screws. 8. Slide the drive out of the carrier.[...]

  • Page 116

    Take Apart Zip Drive, Power Mac G4 (QuickSilvers) - 94 Replacement Note: When inserting the drive carrier into the computer, make sure the pegs on the bottom of the carrier fit into the two notches in the drive shelf.[...]

  • Page 117

    Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 9 5 CD/D VD Bezel, PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel.[...]

  • Page 118

    Take Apart CD/DVD Bezel, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 9 6 1. From inside the chassis, behind the front panel, push the two bezel tabs forward to release the drive bezel from the front panel. 2 . Disconnect the bezel from the hinges on the front left side and remove the bezel from the computer.[...]

  • Page 119

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 97 CD/D VD Driv e, PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel. • Remove the CD/DVD drive bezel.[...]

  • Page 120

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 98 Note: You remove the drive carrier from the computer with the drives attached to the carrier. 1 . Remove the two screws on the drive carrier. 2. From inside the chassis, push the drive carrier forward about 1 inch. Important: The carrier may be difficult to push forward d[...]

  • Page 121

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 99 3. Disconnect the following cables from the back of the CD-ROM, DVD-ROM, or DVD-RAM drive: • power cable (P7) • IDE data cable • Power Mac G4 (PCI Graphics): audio cable 4. If shielding tape connects the ribbon cable and the carrier, detach the tape from the carrier[...]

  • Page 122

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 0 6. Continue sliding the drive carrier out of the computer. Important: The drive carrier may be difficult to push forward due to the EMI gasket and tape located on the underside of the carrier (directly below the Zip drive). 7. When the carrier is out of the computer, re[...]

  • Page 123

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 1 Note: Perform the following procedure if you are replacing the CD-ROM, DVD-ROM, DVD-RAM, or Zip drive. 8 . Using a Phillips screwdriver, remove the drive carrier mounting screws. 9. Slide the drive(s) out of the carrier. Replacement Note: The DVD-RAM drive is not as tal[...]

  • Page 124

    Take Apart CD/DVD Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 2 drive back into the carrier, lift the back of the drive slightly so that the drive is flush against the carrier. Replacement Note: When inserting the drive carrier into the computer, make sure the carrier tab slides into the hole on the stationary drive shelf.[...]

  • Page 125

    Take Apart Zip Drive, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 10 3 Zip Driv e, PCI/A GP Graphics/Gigabit Ethernet/Digital A udio If removing the Zip drive, follow the procedures for removing the CD/DVD Drive. Important: After you remove the screws mounting the Zip/CD/DVD carrier to the chassis, the carrier may be difficult to push forward[...]

  • Page 126

    Take Apart Fan, Power Mac G4 (QuickSilvers) - 104 F an, Po wer Mac G4 (QuickSilvers) Before you begin, open the side access panel.[...]

  • Page 127

    Take Apart Fan, Power Mac G4 (QuickSilvers) - 105 1. Press the small locking tab on the power-to-fan cable connector and disconnect the cable.[...]

  • Page 128

    Take Apart Fan, Power Mac G4 (QuickSilvers) - 106 2 . Remove the two screws that mount the fan bracket to the chassis. Replacement Note: Use the longer of the two screws to secure the cable holder and the fan bracket. 3. Lift the fan bracket out of the computer.[...]

  • Page 129

    Take Apart Fan, Power Mac G4 (QuickSilvers) - 107 Perform the following procedure only if you are replacing the fan. 4 . Using a Phillips screwdriver, remove the four screws securing the fan to the fan bracket. 5. Lift the fan from the fan bracket.[...]

  • Page 130

    Take Apart Fan, Power Mac G4 (QuickSilvers) - 108 Replacement Note: When replacing the fan in the bracket, make sure the arrows on the side of the fan point away from the bracket.[...]

  • Page 131

    Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 10 9 F an, PCI Graphics, A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, open the side access panel.[...]

  • Page 132

    Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 0 1 . Remove the two screws on the fan bracket. 2. Pull the fan bracket down to access the power-to-fan connector. 3. Disconnect the power- to-fan connector.[...]

  • Page 133

    Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 1 4. Lift the fan bracket out of the computer. Replacement Note: The fan bracket has two holes (on the top) that join with two tabs on the chassis. If the tabs aren’t inserted into the holes, the screws that secure the fan bracket to the chassis won’t align properly.[...]

  • Page 134

    Take Apart Fan, PCI Graphics, AGP Graphics/Gigabit Ethernet/Digital Audio - 11 2 Perform the following procedure only if you are replacing the fan. 5 . Using a Phillips screwdriver, remove the four screws securing the fan to the fan bracket. 6. Lift the fan from the fan bracket.[...]

  • Page 135

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 113 P ower Supply , Power Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel. • Remove the CD/DVD/Zip drive carrier.[...]

  • Page 136

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 114 1. Press the small locking tab on the power-to-fan cable connector and disconnect the cable.[...]

  • Page 137

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 115 2 . Disconnect the main power cable from the logic board and the power cables to any hard drives.[...]

  • Page 138

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 116 3. Using a 2.5 mm Allen wrench, remove the three screws on the rear vented panel.[...]

  • Page 139

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 117 4. Remove the four screws that attach the power supply and main power supply cable to the chassis.[...]

  • Page 140

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 118 5. Slide the power supply toward the front of the computer until it clears the security bar on the upper inside corner of the chassis.[...]

  • Page 141

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 119 6. Maneuver the power supply and its cables out of the chassis.[...]

  • Page 142

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 120 Replacement Note: If you are replacing the power supply, remove the power supply bracket and reattach it to the new power supply.[...]

  • Page 143

    Take Apart Power Supply, Power Mac G4 (QuickSilvers) - 121 Replacement Note: You must set the power supply voltage switch to the correct setting (115 V in North America) to avoid damaging the computer.[...]

  • Page 144

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 22 P ower Supply , PCI/ A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel. • Remove the CD/DVD drive bezel. • Move the CD/DVD/Zip drive carrier forward 1 inch.[...]

  • Page 145

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 23 1. Disc onnect the power- to-fan connector.[...]

  • Page 146

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 24 2. Disconnect the following power cables: • cables P6 and P7 from the CD-ROM/Zip drive • Power Mac G4 (PCI Graphics): cable P4 from the front panel board • main power cable from the logic board • cable(s) to hard drives[...]

  • Page 147

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 25 3. Using a 2.5 mm Allen wrench, remove the three screws on the rear vented panel.[...]

  • Page 148

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 26 4 . On the inside of the chassis, remove the screw that attaches the power supply to the power supply shelf. 5. Slide the power supply forward toward the front of the computer. Maneuver the power supply (clearing the security bar on the inside and upper chassis) and its[...]

  • Page 149

    Take Apart Power Supply, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1 27 and reattach it to the new power supply. Replacement Note: You must set the power supply voltage switch to the correct setting (115 V in the U.S.) to avoid damaging the computer.[...]

  • Page 150

    Take Apart Speaker, Power Mac G4 (QuickSilvers) - 128 Speaker , P ower Mac G4 (QuickSilvers) Before you begin, do the following: • Open the side access panel. • Remove the carrier support plate.[...]

  • Page 151

    Take Apart Speaker, Power Mac G4 (QuickSilvers) - 129 1. Using your thumbs, press the tabs in on the speaker shield. 2 . Rotate the shield and remove it from the chassis.[...]

  • Page 152

    Take Apart Speaker, Power Mac G4 (QuickSilvers) - 130 3 . Disconnect the speaker cable from the logic board. 4 . Remove the two speaker mounting screws. 5 . Remove the speaker and cable from the computer.[...]

  • Page 153

    Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 1 Speaker , PCI/A GP Graphics/Gigabit Ethernet/Digital A udio Before you begin, do the following: • Open the side access panel. • Remove the carrier support plate.[...]

  • Page 154

    Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 2 1 . Disconnect the speaker cable from the logic board. 2. Free the cable from the cable clamp and the fan bracket.[...]

  • Page 155

    Take Apart Speaker, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 13 3 3. Push the speaker tab in and pull the speaker housing back to release it. 4 . Remove the speaker housing from the computer. 5 . Remove the speaker from the speaker housing. Note: The speaker and speaker housing are separate parts.[...]

  • Page 156

    Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 34 Fr ont Panel Board, P ower Mac G4 (QuickSilvers) Before you begin, open the side access panel.[...]

  • Page 157

    Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 35 1. Using your thumbs, press the tabs in on the speaker shield. 2 . Rotate the shield and remove it from the chassis.[...]

  • Page 158

    Take Apart Front Panel Board, Power Mac G4 (QuickSilvers) - 1 36 3 . Disconnect the front panel cable from the front panel board. 4 . Remove the two screws and remove the front panel board from the computer.[...]

  • Page 159

    Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - Fr ont Panel Board, PCI/A GP Graphics/ Gigabit Ethernet/ Digital A udio Before you begin, open the side access panel.[...]

  • Page 160

    Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 1. Using your thumbs, press the tabs in on the front panel shield. 2. Gently pull the front panel shield away from the chassis. 3 . Disconnect the front panel cable from the front panel board. 4. Power Mac G4 (PCI Graphics): Disconnect power cable P4 and the FireWire ca[...]

  • Page 161

    Take Apart Front Panel Board, PCI/AGP Graphics/Gigabit Ethernet/Digital Audio - 5. Push in and pry up on the three tiny metal tabs to release the front panel board from the front panel shield.[...]

  • Page 162

    Take Apart Antenna - 1 4 0 Antenna Note: The antenna is routed through the chassis in two ways: under the logic board and through drive bay 1. Do not remove or replace the antenna if it is routed under the logic board. To replace this type of antenna, you must replace the entire chassis. Before you begin, remove the following: • top front handle [...]

  • Page 163

    Take Apart Antenna - 1 4 1 the antenna cable is routed underneath it) • CD-ROM drive carrier 1 . Disconnect the antenna cable from the AirPort card (if installed). 2 . Free the antenna cable from the cable clamp and the fan bracket.[...]

  • Page 164

    Take Apart Antenna - 1 4 2 3. Using a jeweler’s screw driver, remove the antenna mounting screws and lift the antenna and antenna cable out of the computer.[...]

  • Page 165

    Take Apart Top Handles, Front and Rear - 1 4 3 T op Handles, Front and Rear No preliminary steps are required before you begin this procedure.[...]

  • Page 166

    Take Apart Top Handles, Front and Rear - 1 4 4 1. Using a 2.5 mm Allen wrench, remove the two allen screws securing each handle. 2. Lift the handle from the computer.[...]

  • Page 167

    Take Apart Top Handles, Front and Rear - 1 4 5 Replacement Note: When installing the top handles (front and rear) orient them so that the three tiny bumps on the handle are in the orientation shown in the photo. The handle won’t fit properly if it’s turned upside down. The top front and top rear handles are interchangeable.[...]

  • Page 168

    Take Apart Top Panel - 1 4 6 T op Panel Before you begin, remove the following: • top front handle • top rear handle[...]

  • Page 169

    Take Apart Top Panel - 1 4 7 1. Slide the top panel back, towards the power supply, to unhook the tabs. 2. Lift the top panel from the chassis.[...]

  • Page 170

    Take Apart Supports, Front and Rear - 1 4 8 Supports, Fr ont and Rear Before you begin, place the computer on an ESD mat and turn the unit upside down. ± W arning: When the computer is upside down or the lower supports are removed, the computer can be unstable.[...]

  • Page 171

    Take Apart Supports, Front and Rear - 1 4 9 1. Using a 2.5 mm Allen wrench, remove the two screws securing each support to the computer. 2 . Remove the support from the computer.[...]

  • Page 172

    Take Apart Lower Panels, Front and Rear - 1 50 Lower P anels, Front and Rear Before you begin, remove the front and/or rear support. ± W arning: When the computer is upside down or the lower supports are removed, the computer can be unstable.[...]

  • Page 173

    Take Apart Lower Panels, Front and Rear - 1 51 Note: The computer is shown upside down. 1. Lift the lower front panel or the lower rear panel from the chassis. There are no screws holding these panels to the chassis; the front and rear supports hold them in place. Important: These panels are keyed. The notch goes on the access panel side.[...]

  • Page 174

    Take Apart Front Panel - 1 52 Fr ont Panel Before you begin, remove: • top front handle • lower front support and lower front panel • Power Mac G4 (PCI/AGP Graphics/GIgabit Ethernet/Digital Audio): CD/DVD drive bezel and CD/DVD drive carrier • Power Mac G4 (QuickSilvers): CD/DVD/ Zip drive carrier ± Warning: When the lower support is remov[...]

  • Page 175

    Take Apart Front Panel - 1 53 1 . Open the side access panel. Locate the front panel tabs. 2. Using a screwdriver, carefully push the front panel tabs inward to release them from the chassis. 3. Pull the front panel off the chassis. Note: If you are installing a new front panel on Power Mac G4 (QuickSilvers), transfer the blank or Zip bezel from th[...]

  • Page 176

    Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 154 CD/D VD Driv e Door , P ower Mac G4 (QuickSilvers) Before you begin, remove: • top front handle • lower front support and lower front panel • CD/DVD/Zip drive carrier • front panel ± W arning: When the lower support is removed, the computer can be unstable.[...]

  • Page 177

    Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 155 1 . Remove the four mounting screws on the front of the computer.[...]

  • Page 178

    Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 156 2 . Open the side access panel and remove the CD/DVD door shield from the chassis.[...]

  • Page 179

    Take Apart CD/DVD Drive Door, Power Mac G4 (QuickSilvers) - 157 3. Using a flatblade screwdriver, gently press the CD/DVD door mounting pegs flush with the chassis. 4. Push the CD/DVD drive door forward, and remove the door from the computer.[...]

  • Page 180

    Take Apart Rear Vented Panel - 1 5 8 Rear V ented Panel Before you begin, remove the following: • top rear handle • lower rear support ± W arning: When the lower support is removed, the computer can be unstable.[...]

  • Page 181

    Take Apart Rear Vented Panel - 1 5 9 1 . Open the side access panel. 2 . Remove the three 2.5 mm Allen screws. 3. Push in on the six tabs to release the panel from the chassis.[...]

  • Page 182

    Take Apart Rear Vented Panel - 1 6 0 4 . Once the tabs are released, carefully pull the rear panel forward to remove.[...]

  • Page 183

    Take Apart Latch Panel - 1 6 1 Latch Panel Before you begin, remove the following: • video card • PCI cards (if present) • Power Mac G4 (PCI Graphics): FireWire board (if present) • Power Mac G4 (PCI Graphics): modem (if present) • AirPort card (if present) • logic board[...]

  • Page 184

    Take Apart Latch Panel - 1 6 2 1. Remove the four Phillips screws holding the panel to the chassis. 2. Slide the panel toward the hard drives, freeing the latch panel from the tabs on the chassis. Note: Circles indicate tab locations. 3 . Remove the latch panel.[...]

  • Page 185

    Take Apart Right Side Access Panel - 1 6 3 Right Side Access Panel Before you begin, remove the following: • PCI cards (if present) • video card • FireWire board (if present) • modem (if present) • AirPort card (if present) • logic board[...]

  • Page 186

    Take Apart Right Side Access Panel - 1 6 4 1. Remove the four 2.5 mm Allen screws on the side panel.[...]

  • Page 187

    Take Apart Right Side Access Panel - 1 6 5 2 . Open the side access panel. 3. Remove the two Phillips screws attaching the right side panel to the metal chassis.[...]

  • Page 188

    Take Apart Right Side Access Panel - 1 6 6 4. Using a flatblade screwdriver or needlenose pliers, push or squeeze the plastic tabs (protruding through the side chassis panel), to release the right panel from the metal chassis. 5. Remove the right side panel from the chassis.[...]

  • Page 189

    Take Apart Left Side Panel - 1 6 7 Left Side Panel No preliminary steps are required before you begin this procedure.[...]

  • Page 190

    Take Apart Left Side Panel - 1 6 8 1. Remove the four 2.5 mm Allen screws on the side panel.[...]

  • Page 191

    Take Apart Left Side Panel - 1 6 9 2 . Open the side access panel. 3 . Remove the fan screws and drop the fan bracket down to access the plastic panel tabs (protruding through the side chassis) on the left side panel.[...]

  • Page 192

    Take Apart Left Side Panel - 1 7 0 4 . Using a needlenose pliers, squeeze the tabs (located behind the fan bracket) to release the left side panel from the metal chassis. 5. Lift the left side panel from the chassis.[...]

  • Page 193

    Take Apart I/O Panel, PCI Graphics - 171 I/O Panel, PCI Graphics Note: The I/O panel can be removed only in Power Mac G4 (PCI Graphics) computers. The I/O panel in Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver/ QuickSilver 2002) is part of the chassis. Before you begin, do the following: • Open the side access panel. • [...]

  • Page 194

    Take Apart I/O Panel, PCI Graphics - 172 1 . Remove the two mounting screws on the I/O panel.[...]

  • Page 195

    Take Apart I/O Panel, PCI Graphics - 173 2. Tilt the I/O panel forward and remove.[...]

  • Page 196

    Take Apart I/O Panel Cover - 17 4 I/O Panel Co ver Before you begin, do the following: • Open the side access panel. • Remove the logic board. • Power Mac G4 (PCI Graphics): Remove the I/O panel.[...]

  • Page 197

    Take Apart I/O Panel Cover - 17 5 Note: Because the I/O panel cover can be difficult to remove, take your time prying up the plastic tabs. 1. Using a jeweler’s screwdriver and working from right to left, carefully pry the plastic tabs away from the metal frame. As each tab is released, pull the I/O cover away from the frame. 2 . Remove the I/O pa[...]

  • Page 198

    Service Source K © 2002 Apple Computer, Inc. All rights reserved. Troubleshooting Power Mac G4/ Macintosh Server G4[...]

  • Page 199

    Troubleshooting General/ Block Diagrams - 1 General Block Diagrams Po wer Mac G4 (QuickSilvers/Digital A udio) Block Diagram 133 MHz memory bus 133 MHz Max bus Headphone jack Apple speaker mini-jack Ethernet port Firewire port Firewire port AGP 4x slot 66 MHz AGP bus PCI slots 64-bit 33 MHz PCI bus Backside L3 cache PowerPC G4 microprocessor L2 cac[...]

  • Page 200

    Troubleshooting General/ Block Diagrams - 2 Po wer Mac G4 (Gigabit Ethernet) Block Diagram 100 MHz memory bus 100 MHz Max bus Microphone jack Headphone jack Ethernet port Firewire port Firewire port 32-bit 66 MHz PCI bus AGP 2x slot AGP 2x bus PCI slots 64-bit 33 MHz PCI bus Backside L2 cache PowerPC G4 microprocessor UniNorth memory controller and[...]

  • Page 201

    Troubleshooting General/ Block Diagrams - 3 Po wer Mac G4 (A GP Graphics) Block Diagram 100 MHz memory bus 100 MHz Max bus Microphone jack Headphone jack Ethernet port Firewire port Firewire port 32-bit 66 MHz PCI bus AGP 2x slot AGP 2x b us PCI slots 64-bit 33 MHz PCI bus Backside L2 cache P owerPC G4 microprocessor UniN[...]

  • Page 202

    Troubleshooting General/ Block Diagrams - 4 Po wer Macintosh G4 (PCI Graphics) Block Diagram[...]

  • Page 203

    Troubleshooting General/ Power-On Self Test - 5 P ower -On Self T est There is a power-on self test that resides in the ROM of the Power Mac G4. This test automatically runs whenever the computer is powered on after being fully shut down (the power-on self test does not run if the machine is only restarted). If a problem is detected during the test[...]

  • Page 204

    Troubleshooting General/ Power-On Self Test - 6 Power Macintosh G4 (PCI Graphics): • 1 Beep: No RAM is installed or detected. • 2 Beeps: Incompatible RAM types are installed (for example, both SDRAM and EDO installed). • 3 Beeps: No RAM banks passed memory testing. • 4 or 5 Beeps: Bad checksum for the remainder of the boot ROM block. The RO[...]

  • Page 205

    Troubleshooting General/ Logic Board Diagrams - 7 Logic Board Diagrams Po wer Mac G4 (QuickSilvers/Digital A udio) Logic Board Diagram Battery PCI Slots Power FireWire Ports (2) USB Ports A & B Ethernet Connector SDRAM DIMM Slots Speaker PMU Button Ultra A T A Connector Modem Connector Front Panel Board AirPort Connector Monitor Card Slot IDE C[...]

  • Page 206

    Troubleshooting General/ Logic Board Diagrams - 8 Po wer Mac G4 (A GP Graphics/Gigabit Ethernet) Logic Board Diagram Batter y PCI Slots Po w e r FireWire  P or ts (2) Internal FireWire  Po r t  (not included on Gigabit models) USB  P or ts A & B Ethernet  Connector SDRAM DIMM Slots Speaker PMU Button Ultra A T A[...]

  • Page 207

    Troubleshooting General/ Logic Board Diagrams - 9 Po wer Macintosh G4 (PCI Graphics) Logic Board Diagram J1 A T A-3 (CD/D VD-ROM  and Zip Drive J15 Ultra DMA/33 (A T A Dr ives) J23 P ow er Batter y S5 P ow er Button S4 Cuda Button J8 CD A udio J31 F ront P anel Board Processor Plug-In Slot J34 Speaker J25 Jumper Bloc k[...]

  • Page 208

    Troubleshooting General/ Logic Board Troubleshooting - 1 0 Logic Board T roubleshooting P ower Mac G4 (all models except PCI Graphics) Processor Module The logic board comes with a removable processor module. The processor should rarely fail and should be replaced only as a last resort. Processor modules can be ordered from Service. Refer to “Pro[...]

  • Page 209

    Troubleshooting General/ Logic Board Troubleshooting - 1 1 I/O, two crystals, and a CPU. Its function is to: • Tell the computer to turn on, turn off, sleep, wake, idle, etc. • Manage system resets from various commands. • Maintain parameter RAM (PRAM). • Manage the real-time clock. Important: Be very careful when handling the main logic bo[...]

  • Page 210

    Troubleshooting General/ Logic Board Troubleshooting - 1 2 procedure before replacing any modules: 1 . Disconnect the power cord and check the battery in the battery holder (BT1). The battery should read 3.3 to 3.7 volts. If the battery is bad, replace the battery, wait ten seconds, and then reset the PMU (refer to the next step). If the battery is[...]

  • Page 211

    Troubleshooting General/ Logic Board Troubleshooting - 1 3 Note: This entire procedure resets the computer’s PRAM. Be sure to reset the computer’s time, date, and other system parameter settings before returning the computer to the customer. Logic Board LEDs: Po wer Mac G4 (all models except PCI Graphics) There is one red LED on the Power Mac G[...]

  • Page 212

    Troubleshooting General/ Logic Board Troubleshooting - 1 4 P ower Macintosh G4 (PCI Graphics) Processor Module The logic board comes with a removable processor module. The processor should rarely fail and should be replaced only as a last resort. Processor modules can be ordered from Service. Note that when you replace the logic board on a Power Ma[...]

  • Page 213

    Troubleshooting General/ Logic Board Troubleshooting - 1 5 Resetting the Cuda Chip: Po wer Macintosh G4 (PCI Graphics) The Cuda is a microcontroller chip on the Power Macintosh G4 (PCI Graphics) logic board. Its function is to • Turn system power on and off. • Manage system resets from various commands. • Maintain parameter RAM (PRAM). • Ma[...]

  • Page 214

    Troubleshooting General/ Logic Board Troubleshooting - 1 6 Resetting the PCI Logic Board Resetting the logic board can resolve many system problems (see the Symptom/Cure tables for examples). Whenever you have a Power Macintosh G4 (PCI Graphics) computer that fails to power up, you should follow this procedure before replacing any modules. 1 . Unpl[...]

  • Page 215

    Troubleshooting General/ Logic Board Troubleshooting - 1 7 Note: This procedure resets the computer’s PRAM. Be sure to check the computer’s time/date and other system parameter settings afterwards. Logic Board LEDs: Po wer Macintosh G4 (PCI Graphics) There are seven diagnostic LEDs on the Power Mac G4 (PCI Graphics) logic board. A graphic follo[...]

  • Page 216

    Troubleshooting General/ Logic Board Troubleshooting - 1 8 DS4 and DS5 = USB power for downstream devices DS5 = USB port 1- lower DS4 = USB port 2- upper (There is no DS2 or DS3 on the board.) When illuminated, these LEDs indicate that the computer is providing power (+5 V) to downstream USB ports. USB devices do not need to be connected in order f[...]

  • Page 217

    Troubleshooting General/ Logic Board Troubleshooting - 1 9 other port can still be functional. These LEDs are not immediately illuminated at the beginning of a restart or cold power-on. During a successful/normal boot, the sequence will look like: 1 . Unit is powered on and other LEDs will illuminate while DS4 and DS5 are off. 2 . Then DS4 and DS5 [...]

  • Page 218

    Troubleshooting General/ Logic Board Troubleshooting - 2 0 DS6 = Ultra ATA bus activity DS6 indicates Ultra ATA bus activity. DS7 & DS8 = Power Indication In a working unit, these LEDs should be in sync with each other: both on or both off. If one LED is on and the other is off, there is a problem. DS9 = CPU Bus Request When illuminated, this L[...]

  • Page 219

    Troubleshooting General/ Logic Board Troubleshooting - 2 1 Po wer Macintosh G4 (PCI Graphics) LEDs Locator DS5 DS9 DS8 DS7 DS6 DS1 DS4[...]

  • Page 220

    Troubleshooting General/ Power Supply Verification - 2 2 P ower Supply V erification To start up, the Power Mac G4 logic board requires a “trickle” power of +5V for AGP and PCI models, +28V for Gigabit Ethernet/ Digital Audio models, or +25V for QuickSilver models. If the system fails to start up, follow the procedure outlined below to determi[...]

  • Page 221

    Troubleshooting General/ Power Supply Verification - 2 3 1 . Plug in a known-good power cord into the back of the com- puter. Do not turn on the computer. 2. P ow er Mac G4 (AGP or PCI) (see Figure 1): Connect the black lead of the volt meter to pin 16 of the 20- pin power supply connector. Connect the red lead of the volt meter to pin 9 of the pow[...]

  • Page 222

    Troubleshooting General/ Power Supply Verification - 2 4 Figure 1. Power Supply 20-Pin Connector Pin 20+5V Pin 19+5V Pin 18GND Pin 17GND Pin 16GND Pin 15GND Pin 14[P ow er On] Pin 13GND Pin 12-12V Pin 11+3.3V +12V Pin 10 +5V TRKL Pin 9 POKPin 8 GND Pin 7 +5V Pin 6 GND Pin 5 +5V Pin 4 GND Pin 3 +3.3[...]

  • Page 223

    Troubleshooting General/ Power Supply Verification - 2 5 3 . Power Mac G4 (Gigabit Ethernet/Digital Audio) (see Figure 2): Connect the black lead of the volt meter to pin 11 of the 22- pin power supply connector. Connect the red lead of the volt meter to pin 22 of the power supply connector. The volt meter should measure approximately +28V. If you [...]

  • Page 224

    Troubleshooting General/ Power Supply Verification - 2 6 Figure 2. Power Supply 22-Pin Connector Pin 22 +28V TRKL Pin 21+5V Pin 20+5V Pin 19GND Pin 18GND Pin 17GND Pin 16GND Pin 15[P ow er On] Pin 14GND Pin 13-12V Pin 12+3.3V GND Pin 11 +12V Pin 10 NC Pin 9 +3.3V Pin 8 GND Pin 7 +5V Pin 6 GND Pin 5[...]

  • Page 225

    Troubleshooting General/ Power Supply Verification - 2 7 4. Power Mac G4 (QuickSilver/QuickSilver 2002) (see Figure 3): Connect the black lead of the volt meter to pin 11 of the 22- pin power supply connector. Connect the red lead of the volt meter to pin 22 of the power supply connector. The volt meter should measure approximately +25V. If you do [...]

  • Page 226

    Troubleshooting General/ Power Supply Verification - 2 8 Figure 3. Power Supply 22-Pin Connector and 4-Pin Connector Note: The four-pin connector (P4) supplies power to the multiprocessor. Pin 22 +25V TRKL Pin 21+5V Pin 20+5V Pin 19GND Pin 18GND Pin 17GND Pin 16GND Pin 15[P ow er On] Pin 14GND Pin 13-12V Pin 12+3.3V[...]

  • Page 227

    Troubleshooting General / Power Supply Verificatio n - 2 9 5 . Start up the computer by pressing the power button on the front of the computer. Note: Verify that the power cable is plugged into connector J30. If the computer starts up normally, the power supply is OK. If the computer does not start up normally , go to the next step. 6 . Check to se[...]

  • Page 228

    Troubleshooting General/ Power Supply Verification - 3 0 not present, replace the power supply; otherwise, go to the next step. 8 . Connect the black lead of the volt meter to pin 16 of the power supply connector for AGP and PCI models or pin 11 for Gigabit Ethernet/DIgital Audio/QuickSilver/QuickSilver 2002 mod- els. Connect the red lead of the vo[...]

  • Page 229

    Troubleshooting General/ Power Supply Verification - 3 1 connections and measure the voltage again. If voltage is still not present, replace the power supply; otherwise, go to the next step. 1 0 . The testing is complete. You have just verified that the power supply is not the cause of the “No apparent power” symptom.[...]

  • Page 230

    Troubleshooting General/ SDRAM DIMMs - 3 2 SDRAM DIMMs The Power Mac G4 uses the following types of SDRAM DIMMs: PCI/A GP/Gigabit Ethernet QuickSilvers/ Digital A udio PC-100 SDRAM PC-133 SDRAM 3.3 volt unbuffered 3.3 volt unbuffered 168-pin 168-pin 64-bit wide 64-bit wide PC-100 DIMMs from recent Power Macintosh G3 computers are compatible with Po[...]

  • Page 231

    Troubleshooting General/ SDRAM DIMMs - 3 3 Po wer Mac G4 (all models except PCI Graphics) Four slots on the Power Mac G4 (AGP Graphics/Gigabit Ethernet) logic boards accept 64, 128, 256, or 512 MB DIMMs. Three slots on the Power Mac G4 (Digital Audio/QuickSilver/QuickSilver 2002) board accept 64, 128, 256, or 512 MB DIMMs. Any 256 MB DIMMs must be [...]

  • Page 232

    Troubleshooting General/ PCI Cards - 3 4 PCI Cards V ideo Card Installation Power Mac G4 computers require an I/O video card that moves video from the main logic board. The card is installed in slot #1 on the logic board, as illustrated below. Slot #1 on the Power Macintosh G4 (PCI Graphics) is a PCI slot; slot #1 on the other models of Power Mac G[...]

  • Page 233

    Troubleshooting General/ PCI Cards - 3 5 Power Mac G4 (QuickSilvers/Digital Audio) P ower Mac G4 (PCI Graphics/A GP Graphics/Gigabit Ethernet) Slots #2-5 Slot #1 Slot #1 Slots #4 #3 #2[...]

  • Page 234

    Troubleshooting General/ PCI Cards - 3 6 Cleaning Procedur e for Card Connectors It is possible for residue to build up on the gold edge connector pins on some cards, which could cause a variety of symptoms. If you are having problems with a card, inspect the connector pins with a magnifying glass. If you find residue, use a pencil eraser or the ch[...]

  • Page 235

    Troubleshooting General/ VGA-to-Macintosh Adapters - 3 7 V GA-to-Macintosh Adapters To avoid “No video” or “Black screen” situations, do not use two VGA-to-Macintosh adapters (one on each end) on the video cable that connects a Power Mac G4 computer to a monitor with a captive VGA connector. If you need to connect a VGA monitor, connect it [...]

  • Page 236

    Troubleshooting Symptom Charts/ How to Use the Symptom Charts - 3 8 Symptom Charts How to Use the Symptom Charts The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented. Verify whethe[...]

  • Page 237

    Troubleshooting Symptom Charts/ Startup - 3 9 Startup System is completely dead (no fan movement and power- on button is not lit) 1 Verify the power outlet is good. 2 Replace the power cord. 3 Make sure the voltage switch on the back of the power supply is set to the correct voltage. 4 Check for trickle voltage on the power supply connector. Refer [...]

  • Page 238

    Troubleshooting Symptom Charts/ Startup - 4 0 Memory error message appears on the screen 1 Reseat the DIMMs. 2 Verify that only SDRAM DIMMs are installed. Use PC-100 DIMMs on Power Mac G4 (PCI/AGP/Gigabit Ethernet) and PC-133 DIMMs on Power Mac G4 (Digital Audio/ QuickSilvers). 3 Run Apple Hardware Test. If the test finds bad memory, replace the DI[...]

  • Page 239

    Troubleshooting Symptom Charts/ Startup - 4 1 Computer begins to power up, the fan and hard drive are spinning, the power LED is lit, but there is no startup chime or video 1 Reset the logic board. • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter. • Power Macintosh G4 (PCI Graphics): Refer to ?[...]

  • Page 240

    Troubleshooting Symptom Charts/ Startup - 4 2 System shuts down intermittently 1 Make sure the power cord is plugged in firmly. 2 Check that the power source is turned on and the correct voltage is present. 3 Replace the power cord. 4 Make sure the air vents are clear. 5 Check that the fan cable is connected and the fan is operational. 6 Check that[...]

  • Page 241

    Troubleshooting Symptom Charts/ Startup - 4 3 System shuts down almost immediately after startup 1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See “ Resetting the Cuda Chip” in this chapter. 2 Reset the logic board: • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter. • Power Macint[...]

  • Page 242

    Troubleshooting Symptom Charts/ Startup - 4 4 System quits or stops responding intermittently 1 If the system quits or stops responding in a specific application, replace the application. Mac OS X: Verify the application is compatible with OS X. 2 Clear parameter RAM. Hold down Command-Option-P-R during startup until you hear a second startup chime[...]

  • Page 243

    Troubleshooting Symptom Charts/ Error Tones - 4 5 Err or T ones Note: Error tones occur before system software loads. Computer beeps once at startup One beep means that no RAM is installed or detected. 1 If no DIMM is present, install a known-good DIMM in the top slot and try again. 2 Reseat the DIMMs. 3 Run Apple Hardware Test. If the test finds b[...]

  • Page 244

    Troubleshooting Symptom Charts/ Error Tones - 4 6 Computer beeps twice at startup Two beeps means that incompatible RAM types may be installed. Verify that only SDRAM DIMMs are installed. Use PC-100 DIMMs on Power Mac G4 (PCI/AGP/Gigabit Ethernet) and PC-133 DIMMs on Power Mac G4 (Digital Audio/QuickSilvers). 1 Run Apple Hardware Test. If the test [...]

  • Page 245

    Troubleshooting Symptom Charts/ Error Tones - 4 7 Computer beeps four or five times at startup Four or five beeps means that the ROM is probably bad and cannot be fixed. 1 Replace the processor module. 2 Replace the logic board.[...]

  • Page 246

    Troubleshooting Symptom Charts/ Video - 4 8 V ideo Screen is black, but startup chime is present, drive operates, fan is running, and LED is lit 1 Check video cable/card connections and connector pins. 2 Test with a known-good monitor. Replace the monitor, if necessary. 3 Remove all third-party devices. 4 Reseat the video card. 5 Power Macintosh G4[...]

  • Page 247

    Troubleshooting Symptom Charts/ Video - 4 9 Screen is black, there is no startup chime, and drive does not operate, but fan is running and power LED is lit 1 Power Macintosh G4 (PCI Graphics): Check the jumper block at J25. Make sure the jumper is the correct color for the processor type, includes all required inner metal clips, and is installed in[...]

  • Page 248

    Troubleshooting Symptom Charts/ Video - 5 0 Startup chime is present and screen lights up, but screen is gray 1 Power Macintosh G4 (PCI Graphics): Reset the Cuda chip. See “Resetting the Cuda Chip” in this chapter. 2 Reset the logic board: • Power Mac G4 (AGP Graphics): Refer to “Resetting the PMU on the Logic Board” in this chapter. • [...]

  • Page 249

    Troubleshooting Symptom Charts/ Video - 5 1 Distorted Video 1 Make sure that the video card driver and firmware are updated to the most recent versions. 2 Refer to the adjustments section of the service manual or owner’s manual for the monitor. Adjust monitor as necessary. 3 Third-party monitors: Try a known-good monitor. 4 Reseat the video cable[...]

  • Page 250

    Troubleshooting Symptom Charts/ Video - 5 2 Screen jitter 1 Verify there are no environmental factors causing jitter. 2 Check all cable connections. 3 Make sure that the video card driver and firmware are updated to the most recent versions. 4 Test with a known-good monitor. Replace the monitor, if necessary. Refer to the appropriate monitor manual[...]

  • Page 251

    Troubleshooting Symptom Charts/ Sound - 5 3 Sound No sound from computer’s internal speaker 1 Disconnect any microphones or external speakers. 2 Verify the volume is set appropriately in the Sound system preference or Sound control panel and mute is not checked. 3 Mac OS 9: Start up with all third-party extensions off. Troubleshoot the extensions[...]

  • Page 252

    Troubleshooting Symptom Charts/ Sound - 5 4 No sound from Apple Pro Speakers when attached to a Power Mac G4 (Digital Audio/QuickSilvers) computer 1 Push on the Apple Pro Speaker jack to make sure it is firmly inserted into the Apple Speaker sound output port. (The Apple Pro Speaker jack has two detents. You should feel them as you push the jack in[...]

  • Page 253

    Troubleshooting Symptom Charts/ Hard Drive - 5 5 Hard Driv e Single internal ATA hard drive does not spin; flashing question mark displays on screen 1 Check all cable connections to the hard drive. 2 Try another power connector on the power cable harness. If the power cable is defective, replace the power supply. 3 Replace the hard drive. If the pr[...]

  • Page 254

    Troubleshooting Symptom Charts/ CD/DVD Drives - 5 6 CD/D VD Driv es CD/DVD drive tray won’t open 1 Reseat the drive data and power cables on the back of the CD/ DVD drive. 2 Verify the CD/DVD drive bezel is properly seated. 3 Reseat the drive data cable on the logic board. 4 Try using a known-good disc. 5 Replace the CD/DVD drive. CD/DVD drive ic[...]

  • Page 255

    Troubleshooting Symptom Charts/ Zip Drive - 5 7 Zip Driv e Zip drive does not show up on desktop 1 Check that the Zip drive shows up in Apple System Profiler. If it does, go to step 2. If it does not, go to step 6. 2 Mac OS 9: Make sure the driver is turned on in Extensions Manager. 3 Replace the Zip disk with a known-good disk. 4 Check that the Zi[...]

  • Page 256

    Troubleshooting Symptom Charts/ Zip Drive - 5 8 Zip disk ejects immediately after being inserted 1 Replace the Zip disk with a known-good disk. 2 Reseat the drive data and power cables on the back of the Zip drive. 3 Check that the Zip drive shows up in Apple System Profiler as ID = 1 (slave). If it does not, check the connector. There should be no[...]

  • Page 257

    Troubleshooting Symptom Charts/ USB Devices - 5 9 USB Devices At startup, cursor does not move with the Apple mouse 1 Verify that mouse and keyboard connections are secure. 2 Mechanical mouse: Inspect the inside of the mouse for buildup of dirt or other contaminants. Clean the mouse if necessary. See Knowledge Base article 6491. 3 If the mouse is c[...]

  • Page 258

    Troubleshooting Symptom Charts/ USB Devices - 6 0 No response to any key on keyboard 1 Verify that keyboard and mouse connections are secure. 2 Remove all USB devices, except the keyboard and mouse. If the keyboard operates correctly, troubleshoot the other USB devices. 3 Switch the keyboard to a different USB port. If the keyboard operates correct[...]

  • Page 259

    Troubleshooting Symptom Charts/ USB Devices - 6 1 USB printer does not operate 1 Verify that connections to the printer and computer are secure. 2 Switch the printer to a different USB port. If the printer operates correctly, the first port was bad. Replace the logic board. Note: You can also use Apple System Profiler to verify USB ports. 3 Verify [...]

  • Page 260

    Troubleshooting Symptom Charts/ FireWire Devices - 6 2 Fir eWir e Devices No external FireWire device icon appears on the desktop 1 Verify that the FireWire device is turned on and the FireWire cable is securely connected to the device and the computer. 2 If the device requires external power, make sure it is plugged in. 3 Check that the FireWire d[...]

  • Page 261

    Troubleshooting Symptom Charts/ Network Problems - 6 3 Network Pr oblems Unable to see any network devices or connection drops off line by itself 1 Try a known-good Ethernet cable. 2 Open the AppleTalk or TCP/IP system preference or control panel and select the Ethernet option. Verify that you can now see devices on the network. 3 Clear parameter R[...]

  • Page 262

    Troubleshooting Symptom Charts/ Modem - 6 4 Modem The internal modem is not recognized 1 Make sure the correct CCL and extension files are installed. 2 Reseat the modem and modem cable. 3 Reinstall the CCL and modem extension. If the problem persists, reinstall the system software. 4 Clear parameter RAM. Hold down Command-Option-P-R during startup [...]

  • Page 263

    Troubleshooting Symptom Charts/ Modem - 6 5 There is a dial tone, but the modem cannot dial out 1 International only: Use the Modem Country Selector utility to make sure the modem is set to the correct country. 2 Open the Modem system preference or control panel and verify that the correct modem type is selected, the sound is On, and the dialing is[...]

  • Page 264

    Troubleshooting Symptom Charts/ Modem - 6 6 Computer freezes when modem dials 1 Mac OS 9: Extensions are in conflict or the Mac OS is corrupted. Enable only the Mac OS files in Extensions Manager and any modem drivers needed. 2 If the problem persists, reinstall the system software Modem is having trouble connecting to online site 1 International o[...]

  • Page 265

    Troubleshooting Symptom Charts/ Modem - 6 7 Modem cannot connect to remote access server or to ISP 1 Verify the phone number of the server. Dial the number using a telephone and listen for the “whistle” of a modem. 2 Make sure the user has set up remote access for the server being contacted. 3 The user may need to create pauses while the number[...]

  • Page 266

    Troubleshooting Symptom Charts/ Modem - 6 8 Modem disconnects after a period of time A timed disconnect setting is causing the modem to disconnect. Some internet service providers or software packages have a feature that will disconnect the user after a set period of time. Either increase this time setting or disable the feature if possible. Contac[...]

  • Page 267

    Service Source K © 2002 Apple Computer, Inc. All rights reserved. Upgrades Po wer Mac G4 / Macintosh Serv er G4[...]

  • Page 268

    Upgrades SDRAM DIMM - 1 Installation Procedures SDRAM DIMM Before you begin, open the side access panel. DIMM Slots[...]

  • Page 269

    Upgrades SDRAM DIMM - 2 1 . Align a DRAM DIMM in the DRAM slot so the notches line up with the ribs inside the slot. 2 . Push the DIMM down evenly until the ejectors snap into place. Note: To remove a DIMM, push down on the slot’s ejectors until they open and release the DIMM. Some DRAM slots may have only one ejector. Important: After upgrading [...]

  • Page 270

    Upgrades SDRAM DIMM - 3 running Mac OS 9, you must press Option-S when restarting the computer. This ensures the customer will see the Setup Assistant (a movie and setup instruc- tions). If these keys are not pressed down each time a technician restarts the sys- tem after an upgrade, the Setup Assistant file will ex- ecute, disable itself, and the [...]

  • Page 271

    Upgrades AirPort Card - 4 AirP ort Card Before you begin, open the side access panel. Note: The following procedure applies to the Power Mac G4 (AGP Graphics/Gigabit Ethernet/ Digital Audio/QuickSilver) only. You cannot install an AirPort card in the Power Mac G4 (PCI Graphics). AirP ort Card Connector[...]

  • Page 272

    Upgrades AirPort Card - 5 1 . If an adapter card is installed on the AirPort card, release the metal clip and remove the AirPort card from the adapter. Note: The adapter and clip are not used with the Power Mac G4. Adapter Card AirP or t Card Clip[...]

  • Page 273

    Upgrades AirPort Card - 6 2. Insert the AirPort card, barcode side facing up, through the opening in the PCI card guide and into the connector on the logic board. 3 . Connect the antenna cable to the conector on the end of the AirPort card. Important: After installing an AirPort card on a new, out-of-the-box Power Mac G4 running Mac OS 9, you must [...]

  • Page 274

    Upgrades AirPort Card - 7 will see the Setup Assistant (a movie and setup instruc- tions). If these keys are not pressed down each time a technician restarts the sys- tem after an upgrade, the Setup Assistant file will ex- ecute, disable itself, and the customer will never see it.[...]

  • Page 275

    Service Source K © 2002 Apple Computer, Inc. All rights reserved. Exploded V ie w Po wer Mac G4/ Macintosh Serv er G4[...]

  • Page 276

    Exploded View 1 P ower Mac G4 (A GP Graphics) Logic Board, V .1 661-2251 V .2 661-2302 CPU Heatsink Kit 076-0803 Processor Module 350 MHz 661-2278 400 MHz 661-2259, 400 MHz 661-2308 (Rev . 2) 450 MHz 661-2260, 450 MHz 661-2306 (Rev . 2) 500 MHz 661-2262 Power Supply 661-2256, 661-2303 Video Card, AGP , 16 MB, Rage 128 661-2273 Rage 128 Pro 661-2292[...]

  • Page 277

    Exploded View 2 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-3978 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 Rear Support 922-3970 T op Panel 922-3976 Security Bar Cover 922-3693  Front and Rear T op Handle 922-3981 V ented Rear Panel 922-3977 Allen Screws [...]

  • Page 278

    Exploded View 3 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Adapter Mac to VGA 922-3764 Front Panel Cable (Flat Gray) 922-4046 Ultra2 L VD SCSI Cable 922-3861 IDE / A T A Cable 922-4047 Apple USB Keyboard 922-4161 Apple USB Mouse 922-3969 076-0777 Hard drive carrier , V er . 2, and (5) screws (same as 922-3874) ?[...]

  • Page 279

    Exploded View 4 P ower Mac G4 (Gigabit Ethernet) Logic Board, w/Gigabit Ethernet 661-2331 CPU Heatsink Kit 076-0803 CPU Heatsink Kit, Dual Procesor 076-0812 Processor Module 400 MHz, V er . 2 661-2354 450 MHz, Dual 661-2305 500 MHz, Dual 661-2325 Power Supply 661-2332 Video Card, AGP , 16 MB, Rage 128 Pro, V er . 2 661-2330 Front Panel Board, V er [...]

  • Page 280

    Exploded View 5 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-3978 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 Rear Support 922-3970 T op Panel 922-3976 Security Bar Cover 922-3693  Front and Rear T op Handle 922-3981 V ented Rear Panel 922-3977 Allen Screws [...]

  • Page 281

    Exploded View 6 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4046 Ultra 160 SCSI Cable 922-4274 IDE / A T A Cable 922-4047 076-0777 Hard drive carrier , V er . 2, and (5) screws (same as 922-3874)  (4) Hard drive carrier to hard drive,  (1) Hard drive carrier to chassi[...]

  • Page 282

    Exploded View 7 P ower Mac G4 (Digital A udio) Logic Board 661-2397 CPU Heatsink Kit 076-0822 076-0823 Processor Module 466 MHz 661-2402 533 MHz 661-2403 533 MHz, Dual 661-2389 Power Supply 661-2412 Video Card 661-2330, 661-2360, 661-2408 Front Panel Board 922-4234 Enclosure w/Chassis 922-4333 Fan Bracket 922-3854 Fan 922-3295 Speaker Housing 922-3[...]

  • Page 283

    Exploded View 8 Front Panel 922-3973 Left Side Panel 922-3974 Right Side Access Panel 922-3975 I/O Panel Cover 922-4335 Lower Front Panel 922-3980 Lower Rear Panel 922-3979 Front Support 922-3971 Rear Support 922-3970 T op Panel 922-3976 Security Bar Cover 922-3693  Front and Rear T op Handle 922-3981 V ented Rear Panel 922-4334 Allen Screws [...]

  • Page 284

    Exploded View 9 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4046 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4373 076-0777 Hard drive carrier , V er . 2, and (5) screws (same as 922-3874)  (4) Hard drive carrier to hard drive,  (1) Hard drive carrier to chassis 922-38[...]

  • Page 285

    Exploded View 1 0 P ower Mac G4 (QuickSilver) Logic Board 661-2503 CPU Heatsink Kit 076-0823 076-0884 Processor Module 733 MHz 661-2505 867 MHz 661-2506 800 MHZ Dual 661-2507 Power Supply 661-2513, 661-2514 Video Card 661-2407, 661-2408, 661-2508 661-2515 (PCI Video Card) Front Panel Board 922-4562 Enclosure w/Chassis 922-4543 Fan Bracket 922-4572 [...]

  • Page 286

    Exploded View 1 1 Front Panel 922-4566 Left Side Panel 922-4567 Right Side Access Panel 922-4568 I/O Panel Cover 922-4571 Lower Front Panel 922-4576 Lower Rear Panel 922-4575 Front Support 922-4564 Rear Support 922-4563 T op Panel 922-4569 Security Bar Cover 922-3693  Front and Rear T op Handle 922-4573 V ented Rear Panel 922-4570 Allen Screw[...]

  • Page 287

    Exploded View 1 2 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4561 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4614 076-0777 Hard drive carrier , V er . 2, and (5) screws (same as 922-3874)  (4) Hard drive carrier to hard drive,  (1) Hard drive carrier to chassis 922-[...]

  • Page 288

    Exploded View 1 3 P ower Mac G4 (QuickSilver 2002) Logic Board 661-2606 CPU Heatsink Kit 076-0901 076-0902 Processor Module 800 MHz 661-2624 933 MHz 661-2590 1 GHZ Dual 661-2591 Power Supply 661-2513, 661-2514 Video Card 661-2581, 661-2594 Front Panel Board 922-4562 Enclosure w/Chassis 922-4543 Fan Bracket 922-4572 Fan 922-3295 Speaker 922-4560 PCI[...]

  • Page 289

    Exploded View 1 4 Front Panel 922-4566 Left Side Panel 922-4567 Right Side Access Panel 922-4568 I/O Panel Cover 922-4571 Lower Front Panel 922-4576 Lower Rear Panel 922-4575 Front Support 922-4564 Rear Support 922-4563 T op Panel 922-4569 Security Bar Cover 922-3693  Front and Rear T op Handle 922-4573 V ented Rear Panel 922-4570 Allen Screw[...]

  • Page 290

    Exploded View 1 5 Computer Power Cord 922-4301 Cables Cable Modem, Phone Ice 922-3963 Front Panel Cable (Flat Gray) 922-4561 Ultra 160 SCSI Cable 922-4274 IDE Cable 922-4614 076-0777 Hard drive carrier , V er . 2, and (5) screws (same as 922-3874)  (4) Hard drive carrier to hard drive,  (1) Hard drive carrier to chassis 922-[...]

  • Page 291

    Exploded View 1 6 P ower Mac G4 (PCI Graphics) P anel Latch  922-4134 Jumper Bloc k Kit 350 MHz 076-0760 400 MHz 076-0758  Logic Board  661-2253  Modem Shield,T op  and Bottom Kit 076-0761  CPU Heatsink Kit 076-0793   Processor Module 350MHz 661-2279 400 MHz 661-2254  D VD-ROM Drive  661-2[...]

  • Page 292

    Exploded View 1 7   ZIP Bezel 922-3966 Blank Bezel 922-3965 CD/D VD Door F rame 922-3967 F ront P anel 922-3973 Left Side  P anel 922-3974 Right Side  Access P anel  922-3975  I/O P anel Cov er 922-3978 Lower  F ront  P anel  922-3980 Lower Rear P anel  922-3979 F ront Suppor t 922-3[...]

  • Page 293

    Exploded View 1 8 Computer Power Cord 922-3964 Cables Cable Modem, Phone Ice 922-3963 Adapter Mac to VGA 922-3764 FireWireCable Unshielded 922-3751 Front Panel Cable (Flat Gray) 922-3706 FireWire Power Cable Shielded 922-3709 Ultra2 L VD SCSI Cable 922-3861 V er . 2 AudioCable 922-3708 IDE / A T A Cable 922-3707 Apple USB Keyboard 922-3968 Apple US[...]