Compaq EP Series manual

Compaq Deskpro EP Series of Personal Computers Maintenance & Service Guide[...]

Guide to Features & Upgrades Compaq D eskpro EP Series of Persona l Compu ters[...]

Notice The information in this g uide is subject to change without notice. COMPAQ COMPUT ER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR EDITORIAL ERRORS OR OMI SSIONS CONTAINED HEREI N; NOR FOR INCI DENTAL OR CONSEQUENTIAL DAMAGES RESULT ING FROM THE FURNISHING, PERFORMANCE, OR USE OF THIS MATERIAL. This guide contains inform ation protected b[...]

Contents iii C ONTENTS preface About This Guide Symbols and Convent ions ........................................................................................................ vii Technician Notes ............................................................................................................... ....... vii Locating Additional Documen[...]

iv Contents 3.2 Electrostatic Discharge Information................................................................................ 3-3 3.2.1 Generating Static ................................................................................................ 3-3 3.2.2 Preventing Electrostatic Damage to Equipment ......................................[...]

Contents v chapter 5 Connectors, Jumpers, and Switches 5.1 System Board ................................................................................................................ .. 5-1 5.1.1 Connectors, Jumpers , and Switches.................................................................... 5-1 5.1.2 Switches...............................[...]

Compaq Deskpro EP Series of Personal Computers vii preface A BOUT T HIS G UIDE This Maintenance & Serv ice Guid e is a t roubleshoo ting and repair guide t hat can be used for refer ence when serv icing the Co mpaq Deskpro EP Se ries of Persona l Compu ters. Only authorized technic ians tra ined by Compaq s hould atte mpt to repair t his equipm[...]

viii About This Guide Locating Additional D ocumentation The following docu mentation is avai lable to support the se products : ! User Doc umentation ! Technical Tra ining Guides ! Compaq Serv ice Advisories and Bulle tins ! Compaq Qu ickFind ! Technical R eference G uide ! Compaq S ervice Q uick Refe rence G uide[...]

Compaq Deskpro EP Series of Personal Computers 1-1 chapter 1 P RODUCT D ESCRIPTION This chap ter descri bes the mod el offer ings and fea tures of Compaq De skpro EP Serie s of Personal Co mputers. Compaq Deskpro EP Series of Personal Computers[...]

1-2 Product D escri ption 1.1 Model Overview Compaq Deskp ro EP Series o f Personal Co mputers sh ip as eith er desk top or min itower models. They co ntain the un ique, f lexible Co mpaq ATX chassis, wh ich allows y ou to easily reco nfigure th e unit as a minitowe r by (1) removing t he drives f rom the co mpute r, (2) standin g the uni t on i ts[...]

Compaq Deskpro EP Series of Personal Computers 1-3 1.2 System Design ! Desktop mo dels of the Compaq Deskpro EP Series of Pe rsonal Com puters use an innovative c hassis to h ouse the re movabl e system board, expansion boa rds, power supply, and ma ss storage devices. ! Internal co mponen ts are a ccessibl e when the a ccess p anel is re moved. ! [...]

1-4 Product D escri ption 1.3 Preinstalled Software This compute r ships wit h Windows 95, W indows 98, or W indows NT 4.0 inst alled as the operating sy stem, and a lso contai ns the fol lowing preloa ded software: ! ROM-based Setup u tilities ! Compaq Diagn ostics fo r Windows ! Compaq support softwa re and device drivers ! Online Safety & Co[...]

Compaq Deskpro EP Series of Personal Computers 1-5 1.4 Computer Features Compaq Deskp ro EP Series o f Personal Co mputers sh ip with a mo use and keyboa rd. Some mod els are also e quipped wi th a CD-ROM driv e. A Compaq colo r monitor or othe r compatibl e monitor does not shi p with the co mpute r. 1.4.1 Fron t Panel Controls a nd LEDs - 440BX F[...]

1-6 Product D escri ption 1.4.2 Fron t Panel Controls a nd LEDs - Intel 810/810e Front Panel Controls and LEDs - Intel 810/ 810e Ref. Component/Functi on Ref. Component/Function 1 Power-On Light 6 CD-ROM Drive Bus y Indicator* 2 Diskette Drive Activit y Light 7 Headphone Volum e Control 3 Diskette Eject Butt on 8 Stereo Headp hone Jack 4 Serial Num[...]

Compaq Deskpro EP Series of Personal Computers 1-7 1.4.3 Rear Pan el Connectors - 440BX Rear Panel Connectors - 440BX Ref. Component Component 1 Power Cord Connector 7 Serial Conne ctors (2) 2 Voltage Select Switch (switches voltage between 115V a nd 230V to match geogra phica l requiremen ts) 8 Monitor Conne ctor 3 Universal Seri al Bus (USB) Conn[...]

1-8 Product D escri ption 1.4.4 Rear Pan el Connectors - Intel 810/810e Rear Panel Connectors - Intel 810/810e Ref. Component Ref. Component 1 Power Cord Connector 8 Headphone C onnector 2 Voltage Select Switch (switches voltage between 115V a nd 230V to match geogra phica l requiremen ts) 9 Line-Out Audio Connec tor 3 Universal Seri al Bus (USB) C[...]

Compaq Deskpro EP Series of Personal Computers 1-9 1.4.5 Drive Positions Drive Positions Reference Drive Ba y Configurati on 1 , 2 1, 2 Two standar d 5.25-in ch, half- height ba ys for optional drives 3 3 One standard 3.5- inch, 1.44-MB d iskette drive mou nted with a dri ve adapter in to a 5.2 5-inch bay 4 , 5 4, 5 Two standar d 3.5-inch dr ive ba[...]

1-10 Product Description 1.5 Serial Number Locat ion The serial nu mber a nd model in formati on label i s locate d on the acc ess pane l of the unit 1 . A second barcode label is located on the rea r of the uni t 2 . Serial Number Locations For the pu rpose of A ssetContro l, the se rial numb er is embedded in CMOS and in the EEPROM on the sy stem[...]

Compaq Despro EP Series of Personal Computers 2 - 1 chapter 2 S PARE P ARTS Compaq Deskpro EP Series of Personal Computers . The Compaq Deskpro EP Series, Intel 440BX chipset model s will be referred to in this MSG as 440BX. The Compaq Deskpro EP Series, Intel 810 chipset models will be referred to in this MSG as 810 or Intel 810. The Compaq Deskpr[...]

2 - 2 Spare Parts 2.1 System Unit 2.1.1 System Unit - 440BX System Unit Spare Parts - 440BX Model[...]

Compaq Despro EP S eries of Personal Com puters 2-3 System Unit Spare Parts - 440BX Description Spare Part Number 1 Access panel 166867-001 2 Front bezel, comple te with subpa nel and bezel bla nks 166868-001 3 Power supply, 200 W att 166814-001 3 Power supply, 145 W att 332863-001 4 Logo Kit, Deskpro EP (1 ea., DT and M T) 166924-001 5 Feet Misc e[...]

2 - 4 Spare Parts 2.1.2 System Unit - Intel 810/810e System Unit Spare P arts - Intel 810/810e Model[...]

Compaq Despro EP S eries of Personal Com puters 2-5 System Unit Spare Parts - Intel 810/81 0e Description Spare Part Number 1 Access panel (inc ludes gas ket) 137384-001 2 Front bezel, comple te with subpa nel and bezel bla nks 166868-001 3 Power supply, 200W 103748-001 * Power supply, 1 45W (only us ed with PCA 010697-101) 174871-001 4 Logo Kit, D[...]

2 - 6 Spare Parts 2.2 Mass Storage Devices Mass Storage Devices[...]

Compaq Despro EP Series of Personal Computers 2 - 7 Mass Storage Devices Description Spare Part Number 1 2.1 - GB Ultra ATA hard drive (33 /5400) 332861 - 001 * 3.2 - GB Ultra ATA hard drive (33/5400) 332866 - 001 * 4.3 - GB Ultra ATA hard drive (33/5400) 327646 - 001 * 4.3 - GB Ultra ATA hard drive (66/5400) 134197 - 001 * 5.1 - GB Ultra ATA hard [...]

2 - 8 Spare Parts 2.3 Cables Cables[...]

Compaq Despro EP Series of Personal Computers 2 - 9 Cables Description Spare Part Number Cable Kit includes: 166879 - 001 1a Diskette drive cable without twist, 11” 440BX only, (166838 - 001) 1b Audio cable, 21”, (288489 - 002) * IDE hard drive cable, 7” 440BX only, (247116 - 001) * IDE hard drive/CD - ROM cable, 14” 440BX only, (242947 - 0[...]

2 - 10 Spare Parts 2.4 Standard and Optional Boards Standard and Optional Boards[...]

# 2-11 Standard and Optional Boards Description Spare Part Number 1a PII System board, three-DIMM model (440BX) (PCA=009635-10 1). 166813-001 1b PII System board, tw o-DIMM m odel (440BX) (PCA=008312-10 1). 332857-001 * PII/PIII System board, three-DIMM model (440BX) (PCA=010233-10 1) Shipped on all PII and PII I units after 2/23/99) . 118053-001 1[...]

2 - 12 Spare Parts Standard and Optional Boards, continued[...]

Compaq Despro EP Series of Personal Computers 2 - 13 Standard and Optional Boards Continued Description Spare Part Number * Processor, PIII, 533/133, (137365 - 003), w/heatsink (401405 - 003), keyed heatsink clip (120891 - 001), spacer (168092 - 001), retention me chanism (350767 - 005). Use on 010546 - 101 system board. 164402 - 001 * Processor, P[...]

2 - 14 Spare Parts Standard and Optional Boards Continued Description Spare Part Number 4 ATI RAGE PRO GRAPHICS 1X 166871 - 001 * ATI RAGE PRO GRAPHICS 2X 166970 - 001 * ATI RAGE PRO GRAPHICS IIC 332865 - 001 * Matrox MGA G100 AGP graphics board 328011 - 001 * Matrox Millenium G200 - SD graphics card with 8 - MB memory (shipped on all PII and PIII [...]

Compaq Despro EP Series of Personal Computers 2 - 15 2.5 Keyboards Keyboards Description Spare Part Number * Arabic 269513 - 171 * Belgian 269513 - 181 * Brazilian 269513 - 201 * BHCSY (Bosnia - Herzegovina, Croatia, Slovenia, and Yugoslavia) 269513 - B41 * Czech 269513 - 221 * Danish 269513 - 081 * Finnish 269513 - 351 * Frenc h 269513 - 051 * Fre[...]

2 - 16 Spare Parts 2.6 Miscellaneous Hardware Kit Miscellaneous Hardware Kit Miscellaneous Hardware Description Spare Part Number Miscellaneous hardware kit. Includes: 166877 - 001 1 Cover, slot (5 ea.) (101144 - 001) 2a I/O Panel for 440BX (166802 - 002) 2b I/O Panel for Intel 810/810e (123556 - 001) * I/O Panel for Intel 810e – PCA=010697 - 101[...]

Compaq Despro EP Series of Personal Computers 2 - 17 2.7 Miscellaneous Plastics Kit Miscellaneous Plastics Kit Miscellaneous Plastics Kit , Desktop and Minitower Description Spare Part Number Miscellaneous plastics kit includes: 166878 - 001 1 Diskette bezel (166776 - 001) 2 Foot, rubber (4 ea.) (166939 - 002) 3 Processor retainer with pins for PII[...]

2 - 18 Spare Parts 2.8 Miscellaneous Parts Miscellaneous Parts Miscellaneous Parts 1 Two - button mouse 166861 - 001 * Compaq Intellimouse 317863 - 001 2 Cable lock bracket 199109 - 001 3 Battery (440BX) 234556 - 001 * Battery (Intel 810) (for use on system board 401963 - 001) 153099 - 001 4 Fan a ssembly with four plastic pins (for use on Pentium [...]

Compaq Despro EP Series of Personal Computers 2 - 19 2.9 Shipping Boxes Shipping Boxes (not illustrated) Description Spare Part Number Return Kit with buns (U.S.) 166990 - 001 Return Kit (international) 166990 - 002 2.10 Docume ntation and Software Documentation and Software (not illustrated) Description Spare Part Number Maintenance & Service [...]

Compaq Deskpro EP Series of Personal Computers 3-1 chapter 3 R EMOV AL AND R EPLACEMENT P RELIMINARIES 3.1 Routine Care 3.1.1 Cleaning Safety Precautions ! Never use s olvents or flammab le solu tions to c lean the co mpute r. ! Never imme rse any p arts in water o r cleaning solut ions; apply any liqu ids to a clean cloth and then use the cloth on[...]

3-2 Removal and Replaceme nt Preliminaries 3.1.3 Clean ing the Keyboard Follow all sa fety p recautions in Se ction 3. 1.1 before c leaning the keyboard. To clean the t ops of the ke ys or the key board body , follow the procedu res descri bed in Section 3.1.2. When cleanin g debris f rom under the ke ys, rev iew all rul es in Section 3.1. 1 before[...]

Compaq Deskpro EP Series of Personal Computers 3-3 3.2 Electrosta tic Discharge Information A sudden discha rge of stat ic elect ricity from you r finger o r other condu ctor can dest roy static-s ensitive d evices or m icrocircui try. Often the spark i s neith er felt no r heard, but damage occur s. An electr onic device exposed to electros tatic [...]

3-4 Removal and Replaceme nt Preliminaries 3.2.3 Personal G roun ding Met hods an d Equi pment Use the fo llow ing equipmen t to p revent sta tic elec tricity d amage to eq uipmen t: ! Wrist st raps are f lexible s traps with a minimu m of one -megoh m +/- 10% resis tance in the ground c ords. To p rovide prope r ground, a s trap mu st be worn snug[...]

Compaq Deskpro EP Series of Personal Computers 3-5 ! Static-di ssipative table or floor ma ts with hard tie to ground ! Field servi ce kits ! Static aware ness labels ! Wrist st raps and foo twear strap s providing one-megohm +/- 10% resistanc e ! Material hand ling pac kages ! Conductive plastic bags ! Conductive plastic tube s ! Conductive tote b[...]

3-6 Removal and Replaceme nt Preliminaries 3.3.4 Hard Drives ! Handle hard drives as d elicate p recision components, avoiding al l physical shock and vibration. This applies to fai led drives as well as replace ment spares. ! Use only the pac kaging p rovided by Comp aq for ship ping. ! Do not remove h ard drives f rom the shipping pack age for st[...]

Compaq Deskpro EP Series of Personal Computers 4-1 chapter 4 R EMOV AL AND R EPLACEMENT P ROCEDURES This chap ter prov ides gen eral s ervice informa tion fo r the co mputer. A dheren ce to the procedures an d precau tions d escribed i n this chapter is essent ial for p roper s ervice. After co mpleting al l necessary remova l and repl acement pr o[...]

4-2 Removal a nd Repla cement Pro cedures 4.2 Disassembly Preparation Before adding a ny interna l optio ns or perfo rming a removal /replace ment: 1. Remove any d iskette, compact di sc, or tape from the computer. 2. Turn off the compute r and any periphera l devices t hat are conn ected to i t. WARNIN G: Power is continuous to the system board an[...]

Compaq Deskpro EP Series of Personal Computers 4-3 4.3 Feet Installation Eight (8) rubber fe et are mounted to the chassi s, as shown below. No parts have to be removed to a ccess the feet. The replacem ent feet h ave an adh esive su rface and a re shipped with a pro tective backi ng in place. Re move t he feet from the back ing before installa tio[...]

4-4 Removal a nd Repla cement Pro cedures 4.4 Logo Plate Grasp the open side of the logo plate (lef t side if a desktop, bottom if a minitower) and pull outward 2 . To install a new logo plat e, align th e guide p ins in the slots 1 , then pres s into pla ce. ✎ When replacing the logo p late, ensure tha t the alignment pins are properly placed in[...]

Compaq Deskpro EP Series of Personal Computers 4-5 4.5 Cable Lock WARNIN G: To avoid in jury, use c are in handli ng the s eparated p ieces of the c able loc k bracket; metal edges may be sharp. Be s ure to ins tall the bracket so th at sharp edg es do not extend from the edges of the com puter chassis . Depending on the model, the computer include[...]

4-6 Removal a nd Repla cement Pro cedures Installing the Cable Lock Provision - Intel 810/810e To remove the cable lock provis ion, reve rse the abov e proced ure.[...]

Compaq Deskpro EP Series of Personal Computers 4-7 4.6 Access Panel 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor [...]

4-8 Removal a nd Repla cement Pro cedures 4.7 Front Bezel 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor e be ginni[...]

Compaq Deskpro EP Series of Personal Computers 4-9 4.8 Power Button 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor [...]

4-10 Removal and Replacement Proce dures 4.9 Subpanel and Bezel Blanks The subpane l and bezel b lanks mus t be removed from the front b ezel if you are in stalling a mass sto rage dev ice for the first t ime, or i f you are conv ertin g the un it from a desktop to a minitowe r configura tion or fr om a min itower to a d esktop co nfiguration. WARN[...]

Compaq Deskpro EP Series of Personal Computers 4-11 4.10 Power Switch CAUTION: The po wer swi tch sho uld not be r emov ed fr om the swit ch hol der . Doin g so may damage the swit ch compo ne nts. 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc[...]

4-12 Removal and Replacement Proce dures 4.11 Mass S torage Devices The Compaq Deskpro EP Series of P ersona l Computers support up t o five driv es in various conf iguration s. Drive Bay Locations Drive Positions Reference Drive Ba y Configur ation 12 1, 2 Two standar d 5.25- inch, half-height bays f or optio nal dri ves. 3 3 One standar d 3.5-in [...]

Compaq Deskpro EP Series of Personal Computers 4-13 When install ing additional driv es, follow the se guidelines : ! For optima l perfo rmance, conn ect ha rd drives t o the pr imary con troller. Con nect expansion devi ces, such as CD-RO M, IDE tape , and disket te drives to the secondary con troller. ! You may insta ll eithe r a thir d-height o [...]

4-14 Removal and Replacement Proce dures 4.11.1 Removing an Internal 3.5-Inch Hard Drive 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce[...]

Compaq Deskpro EP Series of Personal Computers 4-15 7. While hold ing the d rivelo ck in the un locked pos ition, re move th e drive fro m the drive bay. Removing an Intern al 3.5-Inch Hard Drive 8. Remove th e four guide screws fro m the driv e. 9. Install two guide screws on each s ide of the replacem ent drive. ✎ Metric screws (M3) ha ve a bla[...]

4-16 Removal and Replacement Proce dures 4.11.2 Removing an External 5.25-Inch Drive 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or [...]

Compaq Deskpro EP Series of Personal Computers 4-17 6. While the d rivelo ck is held i n the unla tched pos ition, rem ove the dr ive fro m the drivebay. 7. Remove th e four guide screws fro m the driv e 1 . Removi ng an External 5.25 -inch Dr ive To insta ll a new d rive: 1. Install two guide screws on each s ide of the replacem ent drive 1 . 2. E[...]

4-18 Removal and Replacement Proce dures 4.11.3 Removing an External 3.5-Inch Drive If you are in stalling a second 3.5-inch di skette drive into 5.25-inch bays #1 or 2 for the first ti me, you must use a special ada pter b racket (spare par t numbe r 243230-002). If you are in stalling a 3.5-inc h disk ette driv e into 5.2 5-inch b ay #3, you mus [...]

Compaq Deskpro EP Series of Personal Computers 4-19 6. While the d rivelo ck is held i n the unla tched pos ition, rem ove the dr ive fro m the drive bay. Removing a 3.5-inch Drive and Drive Adapter from a 5.25-inch Extern al Drive Bay 7. Remove th e bracket b race 1 fro m the top of the dr ive adap ter by squee zing inwa rd on both sides 2 , then [...]

4-20 Removal and Replacement Proce dures To replace th e drive, reverse t he previous procedu res. ✎ The primary 3.5-inch di skette dr ive should on ly be insta lled into b ay 3. Bay 3 is the bottom bay in th e min itower a nd the topm ost bay in t he desktop co nfigurat ion. When rep lacing the d rive, use t he existin g screws. Metric s crews ([...]

Compaq Deskpro EP Series of Personal Computers 4-21 4.12 Removing the Drivelocks The compu ter chassis con tains tw o drivelock mechanism s. Driv elock 1 secure s the external dr ives in th e desktop configu ration, dr ivelock 2 secu res al l driv es in th e minitower and the internal d rives in th e deskt op configura tion. Drivelock Mechanism[...]

4-22 Removal and Replacement Proce dures 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor e be ginnin g dis asse mbly[...]

Compaq Deskpro EP Series of Personal Computers 4-23 10. Press in o n the tabs to release the ve rtical dr ivelock f rom the cha ssis, then lift it up and out of th e system w hile at the sa me time rotating the driv elock s lightly to c lear th e travel slo ts at the bottom of the drivelock. 11. Remove the spring fr om the post (see inset) . Removi[...]

4-24 Removal and Replacement Proce dures 4.13 Expansion Boards 4.13.1 440BX Deskpro EP Expansion Slots - 440BX (2-DI MM Model) Deskpro EP Expansion Slots - 440BX (3-DI MM Model) 1 ISA expansion slots 2 ISA/PCI shared expansion slots 3 PCI expansion slots 4 AGP graphics slot[...]

Compaq Deskpro EP Series of Personal Computers 4-25 4.13.2 Intel 810 and 810e Deskpr o EP Ex pans ion Slo ts - In tel 81 0 Deskpro EP Expansion Slots - Intel 810e 1 ISA expansion slot 2 ISA/ISA shared expansion slots 3 PCI expansion slots ✎ Your 810e syste m board may differ from t he one shown.[...]

4-26 Removal and Replacement Proce dures 4.13.3 Removi ng an Ex pansio n Boar d 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he [...]

Compaq Deskpro EP Series of Personal Computers 4-27 4.13.4 Installing a n Expa nsion Boar d 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour[...]

4-28 Removal and Replacement Proce dures 5. Hold the board a t each end an d caref ully rock it b ack and f orth while pushi ng downward, until the conne ctors fit comp letely and firml y into the expansion slot . Install ing a n Expa nsio n Boar d 6. Secure th e board to th e chass is with the re taining sc rew. 7. Attach any cables that came with[...]

Compaq Deskpro EP Series of Personal Computers 4-29 4.14 Board Guide 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor[...]

4-30 Removal and Replacement Proce dures 4.15 System Memory 4.15.1 440BX The 440BX comes wit h at leas t 16 meg abytes of syn chronous dyna mic rando m access memory (SDRAM) dual in line me mory mo dules (DIMM s), upgrade able to 256 o r 384 MB. The memor y sockets on the sys tem board can be populated wi th 16-, 32-, 6 4-, or 128-MB DIM Ms. Self-r[...]

Compaq Deskpro EP Series of Personal Computers 4-31 To install a memo ry module, comple te the followi ng steps: 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord [...]

4-32 Removal and Replacement Proce dures 4.16 AGP Graphics Board (440B X) 4.16.1 AGP Graphics Board Removal (440B X) 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer c[...]

Compaq Deskpro EP Series of Personal Computers 4-33 4.16.2 Graphics Memory Up grade (440BX) ✎ It is no t necessar y to re move the gr aphics board to ins tall the memo ry upgrade module. 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t u[...]

4-34 Removal and Replacement Proce dures 4.17 Processor Components 4.17.1 Processor 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t[...]

Compaq Deskpro EP Series of Personal Computers 4-35 Removing the Celeron Processor f rom the System Board - 440BX To install a new processo r, reverse this proced ure. Before insta lling a Pentiu m II process or, make sure the rel ease latches are in the lock ed position. Thi s will caus e the proce ssor to mak e an aud ible sound when it is prope [...]

4-36 Removal and Replacement Proce dures To install a new processo r, reverse this proced ure. ✎ If the h eatsink has a thermal pad atta ched to its botto m, peel o ff the pro tecti ve paper before insta lling the heatsink. If the h eatsink doe s not have a therma l pad a ttached to its botto m, apply a single swipe of t he therma l crayo n to th[...]

Compaq Deskpro EP Series of Personal Computers 4-37 4.17.2 Processor Guide Rails 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he[...]

4-38 Removal and Replacement Proce dures 7. With the Tuf lok pin s in their full up position, firmly p ull on each leg of the p rocesso r rail to disengage it fro m the system board. 8. Place each of the typ e 2 processo r rail goa lposts (Co mpaq par t number 35076 7-002) in position wit h the ope n end facing the process or socket a nd push fir m[...]

Compaq Deskpro EP Series of Personal Computers 4-39 4.18 System Boa rd 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t bef[...]

4-40 Removal and Replacement Proce dures 4.19 Internal Speaker 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor e be [...]

Compaq Deskpro EP Series of Personal Computers 4-41 6. If an ova l speaker i s used on the computer, remove the four sc rews 2 tha t secure the speaker 3 to the re ar of t he chass is. Removing the Speaker From th e Rear of the Chassis To insta ll the new speaker, r everse the precedi ng steps.[...]

4-42 Removal and Replacement Proce dures 4.20 Lithium Batte ry 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor e be [...]

Compaq Deskpro EP Series of Personal Computers 4-43 Locating the Battery on th e System Board - Intel 810 Locating the Battery on th e System Board - Intel 810e[...]

4-44 Removal and Replacement Proce dures 5. Lift th e battery ou t of th e holde r. Removing the Battery 6. Slide th e replace ment ba ttery int o position w ith the positive side up. The ba ttery hol der automa tically s ecures the batte ry in the pr oper posit ion. 7. If you re moved expans ion boar ds, rein stall th em now. 8. Replace th e compu[...]

Compaq Deskpro EP Series of Personal Computers 4-45 4.21 Fan Assembly 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befo[...]

4-46 Removal and Replacement Proce dures 4.22 Power Supply 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t he uni t befor e be ginn[...]

Compaq Deskpro EP Series of Personal Computers 4-47 Removing the Power Supp ly - Intel 810/810e To replace th e power sup ply, rev erse th e above p rocedure.[...]

4-48 Removal and Replacement Proce dures 4.23 Converting a Desktop t o a Minitower 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er sour ce or t [...]

Compaq Deskpro EP Series of Personal Computers 4-49 6. Rotate th e drives 90 d egrees, then reins tall them into the drive b ays. ✎ The diskette drive shoul d always be pl aced in bay nu mber 3, the bay near est th e internal 3.5 -inch d rives, for proper p lacement within the chassis. Installing a Drive in the Minitower Configuration CAUTION: Th[...]

4-50 Removal and Replacement Proce dures 7. Reconnect the p ower, sign al, and a udio cables to the dri ves. 8. Remove the subp anel and rotate t he bezel blanks 9 0 degree s (Section 4.9). CAUTION: Hold the subpanel straight when you pull it away from the front bezel. Pulling the subpanel away at an angle could damage the p ins that align it withi[...]

Compaq Deskpro EP Series of Personal Computers 4-51 4.24 Converting a Min itower to a Desktop 1. Prepare the c ompute r for d isassemb ly (Sectio n 4.2). WARNIN G: Power is continuous to the system board and power supply even when the power switc h is t urne d off. To pr even t dama ge to the u nit, di sco nnec t the po wer cord fr om the pow er so[...]

4-52 Removal and Replacement Proce dures 7. Rotate th e drives 90 d egrees, then reins tall them into the drive b ays. ✎ The diskette drive shoul d always be pl aced in the bay neare st the top of the chassis in the desk top configu ration for proper d rive clea rance an d access. Installing a Drive in the Desktop Configuration CAUTION: The use o[...]

Compaq Deskpro EP Series of Personal Computers 4-53 8. Reconnect the p ower, sign al, and a udio cables to the dri ves. 9. Remove the subp anel and rotate t he bezel blanks 9 0 degree s (Section 4.9). CAUTION: Hold the subpanel straight when you pull it away from the front bezel. Pulling the subpanel away at an angle could damag e the pins that ali[...]

Compaq Despro EP Series of Personal Computers 5-1 chapter 5 C ONNECTORS , J UMPERS , AND S WITCHES 5.1 System Board 5.1.1 Conn ectors, Jumpers, and Switches System Board Overview - 440BX (Three-DIMM Board) Connectors, Jumpers, and Switche s - 440BX (Three-DIMM Board) Item Descriptio n Item Descript ion CR114 AUX LED P1 Power Supply C onnector E50 C[...]

5-2 Connectors, Jumpers, and Switches System Board Overview - 440BX (Two-DIMM Board) Connectors, Jumpers, and Switches - 440BX (Two-DIMM Board) Item Descriptio n Item Descript ion CR114 AUX LED J40 AGP Video Graphi cs Slot E50 CM OS Header P1 Power Supply C onnector J1 DIMM 1 Expansion Slot P5 Power Switch and LED Connec tor J2 DIMM 2 Expansion Slo[...]

Compaq Despro EP Series of Personal Computers 5-3 System Board Overview - Intel 810 (Two-DIMM Board) System Board Overview - Intel 810e (Two-DIMM Board) Connectors, Jumpers, and Switches - Intel 810/810e (Two-DIMM Board) Item Descriptio n Item Descript ion CR114 AUX LED P1 Power Supply Connector E49 Clear Pa ssword P5 Power Switch and LED Connector[...]

5-4 Connectors, Jumpers, and Switches 5.1.2 Switches Location of SW1 DIP Switches on the System Board - 440BX Switch SW1 Settings (440BX) Passw ord Co ntrol Disable Pa sswor d S1 On Enable Password (Default setti ng) S1 Off Processo r Sp eed S2 S3 S4 S5 233/66 MHz OFF OFF ON ON 266/66 MHz ON ON OFF ON 300/66 MHz ON OFF OFF ON 333/66 MHz (maxim um) [...]

Compaq Despro EP Series of Personal Computers 5-5 5.1.3 Ju mpers (440BX) This section provide s inform ation on enab ling/dis abling passwo rds and c learing the configuration (CMOS). E50 Jumper Location When you cha nge a secur ity featu re, you m ust reset the app ropriate jumper on t he syst em board, then reconfigu re the co mputer to recogniz [...]

5-6 Connectors, Jumpers, and Switches Disabling or Clearing the Power-On and S etup Passwords (440BX) ) 1. Turn off the compute r and any external d evices, and d isconne ct the power c ord from the power outl et. 2. Set SW1, posit ion 1, to the ON position. 3. Turn on the com puter and al low the o perating system to start. Thi s clears the c urre[...]

Compaq Despro EP Series of Personal Computers 5-7 5.1.4 Ju mpers (Intel 810/810e) E49 Jumper Location When you cha nge a secur ity featu re, you m ust reset the app ropriate jumper on t he syst em board, then reconfigu re the co mputer to recogniz e this c hange. If th e syst em configu ration is incorre ct, your computer m ay not work p roperly an[...]

5-8 Connectors, Jumpers, and Switches Disabling or Clearing the Pow er-On and Setup Passwords (Int el 810/810e) 1. Turn off the compute r and any external d evices, and d isconne ct the power c ord from the power outl et. 2. Disconnec t the keyboar d, monitor , and any othe r external devices conn ected to the computer. 3. Remove th e compu ter cov[...]

Compaq Despro EP Series of Personal Computers 5-9 Clearing Configuration Memory (CMOS) - Intel 810/810e) CM OS Bu tt on ( SW5 0) Loc ati on 1. Turn off the compute r and any external d evices, and d isconne ct the power c ord from the power outl et. 2. Disconnec t the keyboar d, monitor , and any othe r external equipment connected to the computer.[...]

5-10 Connectors, Jumpers, and Switches 5.2 Hard Drives The computer suppo rts up to five drives in various configura tions. When ins talling additional dr ives, follow these guide lines: ! For optima l perfo rmance, conn ect ha rd drives t o the pr imary con troller. Con nect expansion devi ces, such as CD-RO M, IDE tape , and disket te drives to t[...]

Compaq Despro EP Series of Personal Computers 5-11 5.2.2 Drive Jump er Settings If you are in stalling a driv e with a s ignal cabl e that does not suppo rt cab le select, you must manually s et the d rive jumpe rs. Ju mper set tings for a number of diffe rent drives ar e shown in the tabl es tha t follow. The illust rations show the approxi mate l[...]

5-12 Connectors, Jumpers, and Switches Maxtor Ultra ATA Hard Drive Jumper Sett ings Maxtor Ultra ATA Hard Drive Jumper Settings Definition J50 J48 J46 J44 J42 Single J Primary (in a dual drive system) J Secondary O Cable Select disable d* O enabled J 4092 Cylinder Limitatio n disable d* O enabled J Factory Reser ved O Factory Reser ved O J=jumper O[...]

Compaq Deskpro EP Series of Personal Computers 6-1 chapter 6 S PECIFICA TIONS 6.1 Specifications 6.1.1 System Desktop Dimensi ons Height Width Depth 6.60 in 17.65 in 17.11 in 16.76 cm 44.83 cm 43.46 cm Minitower Dimensi ons Height Width Length 17.65 in 6.60 in 17.11 in 44.83 cm 16.76 cm 43.46 cm Weight (appro ximate, de pending on config uration) 2[...]

6-2 Specifications System Specifications, c ontinued Power, Supply, 200 Watt (Intel 8 10/810e) Operating Vol tage Rang e Rated Voltage Ran ge Rated Line Frequen cy Rated input current ( maximum) Heat dissipat ion, nomin al Heat dissipat ion, maxim um 90-132 VAC 100-127 VAC 47-63 Hz 6 A 525 BTU/Hr 1050 BTU/Hr 180-264 VAC 200-240 VAC 47-63 Hz 3 A 2.2[...]

Compaq Deskpro EP Series of Personal Computers 6-3 6.1.3 DMA Hardware D MA Syst em Fu nction DMA 0 Unused DMA 1 Audio (Altern ate = DMA 0 or 3) DMA 2 Diskette Drive DMA 3 ECP Parallel Port LPT1 (Default; Alternate = DMA 0) DMA 4 DMA Controller Cascading (Not on ISA Bus) DMA 5 Unused DMA 6 Unused DMA 7 Unused 6.1.4 I/O I/O Address (Hex) System Funct[...]

6-4 Specifications I/O Continued I/O Address (Hex) System Function (Shipping Configurati on) 0FA Unused 0FB 483/PGL Config uration Unloc k 0FC - 0FF Unused 100 - 12F Unused 130 - 131 Unuse d 132 - 16F Unused 170 - 177 Reser ved 15C - 15D Super I/O Index/Data Register 178 - 1EF Unused 1F0 - 1F7 Fixed Disk Control ler 1F8 - 1FF Unused 200 Unused 201 [...]

Compaq Deskpro EP Series of Personal Computers 6-5 6.1.5 M emory Ma p Size Memory Addr ess Syste m Function 256 KB * FFFC0000h to FFFFFFFFh System ROM 3839 MB * 10000000h to FFFBFFFFh PCI Memory Expans ion 255 MB * 00100000h to 0FFFF FFFh HOST or PCI Memory Expan sion 128KB 000E0000h to 0 00FFFFFh System ROM 96 KB 000C8000h to 0 00DFFFFh ISA/PCI op[...]

6-6 Specifications 6.2.2 Ultra ATA Hard Drives 3.2-GB 4.3-GB 4.3-G B 6.4-GB 6.4-GB Compaq Spare Part Num ber 332866-001 32764 6-001 13419 7-001 16697 3-001 13419 8-001 Drive Type 65 65 65 65 65 Revolutions Per Minute (RPM) 5400 5400 5400 5400 5400 Transfer Rat e Interface (MByt es/se c) 33.3 33.3 66.6 33.3 66.6 Typical Seek Tim e (including settlin[...]

Compaq Deskpro EP Series of Personal Computers 6-7 6.2.3 CD-ROM Drives 24X Ma x 32X Max Applicable Disc CD-ROM mode 1, mode 2 Mixed mode (audio and data combined) CD-DA CDi ready CD-XA ready Photo CD (sing le and mul ti- session) CD-ROM mode1, mode 2 Mixed mode (audio and data combined) CD-DA CDi ready CD-XA ready Photo CD (sin gle and multi- sessi[...]

6-8 Specifications CD-ROM c ontinued 40X Ma x Applicable Disc CD-ROM mode 1, mode 2 Mixed mode (audio and data combined) CD-DA CDi ready CD-XA ready Photo CD (sing le and mul ti- session) Compaq Spare Part Number 400807-00 1 Disc Diameter 12 cm, 8 cm Capacity 540 MB (Mode 1, 12 cm) 650 MB (Mode 2, 12 cm) 180 MB (8 cm) Center Hole Diameter 15 mm Dis[...]

Compaq Deskpro EP Series of Personal Computers 6-9 6.3 Compaq Enhanced Keyboard Dimensions Height Width Depth 1.3 in 18.3 in 6.35 in 3.3 cm 46.5 cm 16.1 cm Weight 3.0 lb 1.4 kg 6.4 2-Butt on Mouse Dimensions Height Length Width 1.34 in 4.45 in 2.36 in 3.4 cm 11.3 cm 6.0 cm Weight 4.59 oz 130 g Base Resolution 400 dpi 400 dpi Tracking Speed (maximum[...]

6-10 Specifications 6.5.2 ATI RAGE PRO IIC AGP Resolution Refresh Rat e Colors Suppor ted 2-MB EDO RAM 1600 x 1 200 75 Hz 256 1280 x 1 024 85 Hz 256 1152 x 8 64 85 Hz 65K 1024 x 7 68 85 Hz 65K 800 x 60 0 85 Hz 16.7M 640 x 48 0 85 Hz 16.7M 6.5.3 NVIDIA RIVA 128 AGP Resolution Refresh Rat e Colors Suppor ted 4-MB SGR AM 1920 x 1 080 72 Hz 256 1600 x [...]

Compaq Deskpro EP Series of Personal Computers 6-11 6.5.5 M atrox Mille nium G200-SD AGP Resolution Refresh Rat e Colors Suppor ted 8-MB SDRAM 1920 x 1 200 76 Hz 65K 1920 x 1 200 65 Hz 16.7M 1920 x 1 080 80 Hz 65K 1920 x 1 080 70 Hz 16.7M 1800 x 1 440 70 Hz 65K 1800 x 1 440 60 Hz 16.7M 1600 x 1 200 85 Hz 65K 1600 x 1 200 75 Hz 16.7M 1280 x 1 024 85[...]

6-12 Specifications 6.6 Audio Contr ollers 440BX 440B X ESS 1869 ISA 16- bit full duplex audi o with Com paq Premier ! Sound Creative Labs SoundBla ster 128V PCI with Compaq Premier ! Sound. Sampling rate 4 kHz to 48 kH z (adjust able) 48 kHz Full Scale Input Volta ge (rms) Microph one-In Line-Input 0.050 1.0 0.1 2.0 Full Scale Output Voltage (rms)[...]

Compaq Deskpro EP Series of Personal Computers 6-13 Intel 81 0/8 1 0e Integrated AC 97 aud io with Compaq Premier ! Sound Sampling rate 7 kHz to 48 kH z (adju stable) Full Scale Input Volta ge (rms) Microph one-In Line-Input 0.100 2.15 Full Scale Output Voltage (rms) Line Output 1.40 Dynamic Range (DR) Digital Playb ack Digital Record 91 dB 87 d[...]

Compaq Deskpro EP Series of Personal Computers 7-1 chapter 7 S ERVICE N OTES CAUTION: Use s afety glass es e quippe d wi th si de shie lds befor e at tempti ng to clea n debr is fro m under the keys. 1. As of January 1, 1 999, all 300-MHz a nd faster Cele ron and Pen tium proc essors ar e shipped with t he processo r speeds preset. Thi s preset pro[...]

Index I-1 Index A access panel spare part nu mber (440BX ), 2-3 spare part num ber (Int el 810/810e), 2-5 audio controller, s pecifications 440BX, 6-12 Intel 810, 6-13 B battery proper disposal , 4-44 Battery locating on sy stem board, 4-42 bezels spare part nu mber, 2- 3, 2-5 boxes, s hippin g, 2-19 C cable select featu re, 4-13, 5-10, 5-11 cables[...]

I-2 Index H hard dri ve jum per settin gs, 5- 10 pro per handl ing, 3-6 spare part nu mber, 2- 7 I I/O specifications , 6-3 INSPECT utility, 1-9, 4-12 interrupts specifications , 6-2 J jumper location 440BX, 2-DIMM board, 5-2 440BX, 3-DIMM board, 5-1 E49 (Intel 810/810e), 5-7 E50 (440BX), 5-5 Intel 810/ 810e, 2-DIMM board, 5-3 K key board spare par[...]

Index I-3 system design , 1-3 specifications , 6-1 system boa rd spare part nu mber, 2- 11 Sys te m me mo ry 440BX, 4-30 810/810e, 4-30 system unit spare part nu mbers , 2-3, 2-5 T tools service cons iderations, 3- 5 U Ultra A TA devices, 4- 13 Ultra ATA hard drive specifications , 6-6 W Western Digital EIDE hard drive jum per settin gs, 5- 11[...]

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