Seagate 6451 manuale d’uso

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Pro Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Pro 6450 (S T3 6450A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Pro 6451 (S T3 6451A) . . . . . . .[...]

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Fam ily . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Pro 6450 (S T3 6450A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Meda list Pro 6451 (S T3 6451A) . . . . . . . . . . . . . . . . . . . . [...]

© 1997 Seagat e Technology, Inc. All rights reserved Publicat ion Number: 32652-001, Rev . B, June 1997 Seagate, Seagate Technology, the Seagate logo, Medalist and the Medalist logo are registered t rademarks of Seagate Technology, I nc. Other product names are trademarks or registered trademarks of their owners. Seagate reserves the right to chan[...]

Contents Int roduct i on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Quic k specif i cati on chart . . . . . . . . . . . . . . . . . . . . . . 3 1. 0 Spec ifica ti ons . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Formatted capaci ty . . . . . . . . . . . . . . . . . . . . . . 5 1.1.1 Standard configuration . . . . . . .[...]

1. 1 9 FCC veri f ic ati o n . . . . . . . . . . . . . . . . . . . . . . 14 2. 0 Conf igur ing a n d mo untin g the dr i ve . . . . . . . . . . . . . 17 2.1 Handling and st atic-dis c harge precautions . . . . . . . . . 17 2.2 I/O c abl e and connector. . . . . . . . . . . . . . . . . . . 18 2.3 Power connec tor . . . . . . . . . . . . . . . . . . [...]

Fig ures Fi g u re 1 . Ty p i c al st ar tu p cur r ent p r ofil e . . . . . . . . . . . . . . . . 8 Figure 2. ATA inter face connector . . . . . . . . . . . . . . . . . 18 Figure 3. Connectors . . . . . . . . . . . . . . . . . . . . . . . . 19 Figure 4. Configuration settings . . . . . . . . . . . . . . . . . . . 20 Figure 5. Connecting cable-sele[...]

vi Medalist Pro 6450/6451 Pr oduct Manual, Rev. B[...]

Int rod uc tion This manual describes the funct ional, mechanical and interface speci fi- cations for the Medalist ® Pro 6450 and the M edal ist Pro 6451 hard disc drives. The drives are r eferred to throughout thi s manual by their m odel numbers, ST36450A for the Medalist Pro 6450 and ST36451A fo r the Medalist Pro 6451. Seagate ® desktop produ[...]

The ATA commands with specific applicat ions for these drives and the Seagate-unique comm ands the drives us e are discussed in Secti on 3.0 on page 25. A com plete list of t he commands the dri ves support are found in the table on page 27. The fol lowing is a summary of t he drives’ features: Capacity • 6.4 Gbytes formatted • LBA t ranslati[...]

Quick s pecificat ion cha rt The following table serves as a quick reference for t he drives’ perform- ance specificati ons. These and other specificati ons are discussed in “Specificat ions ” on page 5. Drive sp ecification ST36450A ST36451A Guaranteed capacit y (Gbytes) ( x10 9 bytes) 6.4 6.4 Guaranteed sectors 12,594,960 12,594,960 Bytes p[...]

Drive sp ecification ST36450A ST36451A Height (inches max) 1. 027 1.027 Width (inches max) 4.023 4.023 Depth (inc hes max) 5.787 5.787 Typical weight (lb) 1.5 1.5 Spinup current (max) 3.0A 3.0A Seek power (typical) 9. 8W 9.8W Read/Writ e power and current (typical) 7.8W 7.8W Idle total power (typical) 7.8W 7.8W Standby/Sleep t otal power (typical )[...]

1.0 Spe cifica tions 1.1 For matt ed cap acity Medalist Pro drives are low-lev el formatted at the f actory. You cannot low-level format them. These drives suppor t cylinder-head-sector (CHS) and logic al-block ad- dressing (LBA) t ranslation modes. Y ou can use the Identify dr i ve (EC H ) comm and to verify the addr ess modes the drives sup port,[...]

1.2 Phy sical o rgan ization ST36450A ST36451A Read/write heads 10 10 Discs 5 5 1.3 Fun ction al spec ification s ST36450A ST36451A Interface ATA-2 Ultra ATA Recording method PRML (8/9 ) PRML (8/9) External data burst transfer rate: PIO mode 4 (Mbytes per sec ) DMA mode 2 (Mbytes per sec) Synchronous DMA mode 2 16.6 16.6 –– 16.6 16.6 33.3 Inter[...]

1.4 Phy sical d imens ions The m ount ing dimensions are shown in F igure 6 on page 23. Height, max 1.027 inch (26.09 mm) Width, m ax 4. 025 inches (102.2 mm) Depth, max 5.787 inches (146.99 mm) Weight 1.5 lb ( 0. 68 Kg) 1.5 Seek time Seek value is the int erval between the time the actuator begins to m ove and the time the head has set tled over t[...]

from the start of a read until the buffer segment is full or until another command is r eceived. Write i mmediate. T he drive uses the write segm ent to store wr i te commands and data. Af ter the drive r eceives all of the data for the command, it issues a write complete. Then, t he drive writes t he data to the disc . Write merging. The drive acc[...]

1.9 Pow er-up s equen ce 1. Power is applied to the dr ive. 2. When power is applied, the LE D st ays on f or about 1 second. 3. The spindle motor reac hes operating speed in about 4 s ec onds. 4. The m agnet ic actuator-lock releases the actuator. 5. The drive achieves f inal speed-control lock. 6. The heads posit ion over track 0 and the dr i ve [...]

All measurements wer e t aken at t he dr ive power c onnector. A true RMS meter is used to m easure all modes except Standby . A DMM is used for Standby measurements. 1.11.1. 1 Act ive mo de During the Activ e mode, the drive is involved in s pinup, seeking or read/write activit ies. The t able on page 11 shows the t ypical power- con- sumption rat[...]

1.11.2 Power consumpt ion In the table below, the values appl y at the drive power connector. Current was measured wit h an RMS DC ammeter. Spi nup Se ek Read/ wr ite Idle St and by Current at +12V Amp s max 3.0A — — — — RMS am ps typ — 0.68 0.50 0. 50 0.02 Wa tt s typ — 8.1 6.0 6.0 0.25 Current at +5V RMS am ps typ — 0.36 0.36 0. 36 [...]

1.13 .2 T em per at ure gr ad ien t Operating 20 ° C per hour (36 ° F per hour) Nonoperating 25 ° C per hour (45 ° F per hour ) 1. 13. 3 A lti tu de Operating –1,000 ft. to 10, 000 ft. (–305 m to 3,048 m) Nonoperating –1,000 ft. to 40, 000 ft. (–305 m to 12,192 m) 1.13.4 Relati ve hum idit y Operating 8% to 80% noncondensing Maximum wet[...]

1. 15 Ac ou st i cs This table shows the overall A-weighted ac oustic sound power and sound pressure levels for the driv es. All measurements are generally consist ent with ISO document 7779. Acoustic measurements are tak en under essential ly free-field c onditions over a reflec ting plane. The driv e is oriented wit h the t op cover up for al l t[...]

1.18 Elec trom agne tic Com plian ce fo r th e Euro pean Union If this model has the CE Marking, it complies with the Eur opean Union requirements of the Electromagnetic Compatibility Dir ective 89/336/ EEC of 03 M ay 1989 as amended by Directiv e 92/31/EEC of 28 April 1992 and Dir ective 93/68/EEC of 22 July 1993. Seagate uses an independent labor[...]

such interfer ence in a resident ial i nstallation. Howev er, there is no guarantee that interference wi ll not occur in a part icular ins tallati on. If this equipment does c ause int erference t o r adio or t elevision, whic h c an be determined by tur ning the equipment on and of f, you are encouraged to try one or more of the f ollowing correct[...]

Siche rheitsa nleitun g 1. Das Gerrät ist ein Einbaugerät, das für eine ma ximale Umgebung- stemperatur von 50° C vorgesehen ist. 2. Zur Befestigung des Laufwerks werden 4 Schrauben 6-32 UNC- 2A benötigt. Bei seitlic her Befest i gung darf die m aximale Länge der Schrauben im Chassis nicht mehr als 5,08 mm und bei Befestigung an der Unterseit[...]

2.0 Co nfigur ing and m ou nting the dr ive This section contains the spec ifications and instructions for configuring and mounting t he drive. 2.1 Han dling and static -disch arge prec autio ns After you unpack the drive, and before you install it in a system, be careful not t o damage i t through mishandling. Observe the followi ng standard handl[...]

2.2 I/ O cable and con necto r The driv e uses a 40-pin, male I/O connector with two rows of t wenty pins each and a notch for keying. Pin 20 is removed for keying purposes. A drawing of the I/O connector is shown in Figure 2. Pin 1 i s located near the 4-pin power connec tor when the I/O connector is mounted. The table below list s recom mended pa[...]

2. 4 O ptio ns j ump er bl ock The options jumper block (J5), shown in Figure 3, is us ed to configure the drives for operation. It is the 8-pin dual header between the I / O connector and the power connector. Pin 1 is located next t o the power connector and is farthest f rom the print ed circuit board. It accepts 0.1-inch j umpers. The options j [...]

2.4. 1 Master /slave c o nfig uratio n Use the f ollowi ng settings t o configur e the driv e as a master or a slav e. One dri ve onl y. The drive is configured at the fact ory for single-drive operation. No jumpers are required for single-drive operation. The spare jumper on pins 6 and 8 does not affect drive operation. Drive as slave. Place a jum[...]

2.4. 2 Altern ate cap aci ty jump er This jumper lowers the drive capacity by setting the default translation to 4.092 cyl inders. Some BIOSs that only auto-detect may require this jumper . Place a jumper on pins 1 and 2 of t he J5 options jum per block to enable this option. When install ing this jumper, you may need third- party partitioning soft[...]

2.5 M ount ing t he driv e You can mount the dr ive i n any orientati on. Use the set of mounting gui delines below that are appropri ate to the type of mounting holes used: either bottom mounting holes or side mounting holes. Refer to Figure 6 on page 23 for mounti ng dimensions. Bott om moun ti ng hole s. Insert four 6-32 UNC screws into t he fou[...]

A F D E K [1] [3] G C Inches A B C  D E F G  H J  K L M  145.80  101.60  25.40   60.00  15.75  101.60  6.35   44.45  95.25   25.4  101.6   5.74  4.00  1.00   2.362 0.620 4.000 0.250  1.750 3.750  1.00  4.000 0.143?[...]

24 Medalist Pro 6450/6451 Pr oduct Manual, Rev. B[...]

3.0 ATA Inte rface The drives use an ATA-3 interface. The interface com pli es with ANSI ATA (AT Attachment) Interface X3T10 Rev . 6.0 ; SFF 8011: AT A Timing Extension for Local Bus Attachments, Rev . 2.0 and SFF 8019: Identify drives Data for drives Under 8 GB . The ATA commands that t he dri ves support are listed on pages 27 and 28. Com mands a[...]

Reset –  Ground DD7 DD8 DD6 DD9 DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ  Ground DIOW –  Ground DIOR –  Ground IORDY CSEL DMACK –  Ground INTRQ IOCS16 –  DA1 PDIAG –  DA0 DA2 CS1FX –  CS3FX[...]

3.2 Comm an d set This section lis ts all of the ATA commands the drives use. Only the commands with unique i m plementation f or the dri ves are discussed in this manual. For inf ormation about the ATA interface, refer to Working Draft X3T10.2008D Rev. 6, Information Technology—AT Attachment -3 Interf ace AT A-3 . Additional inf ormation about t[...]

Command name Command code (i n he x ) Parameters used FR SC SN C Y D H Identi fy drives EC nnnn D Idle 97, E3 n y n n D Idle and Set Idle Ti mer FA n y n n D Idle Immediate 95, F8, E1 nnnn D Init ializ e Drive Parameters 91 n y n n y Read DMA C8, C9 — yyyy Read Long 22, 23 n yyyy Read Multiple C4 n yyyy Read Sector 20, 21 n yyyy Read Sector Buffe[...]

3.2. 1 Identif y dr ive com mand ( EC H ) The Identif y drive par ameters for the dr iv es are listed in t he t able be low. Note . I f the alternate capaci ty jumper is install ed on the dr i ve, the drive capacity is reduced in W ord 1 to 4, 092 cylinder s. Word Description Value 0 Configurati on 045A H 1 Number of logical cylinders ST36450A = 13[...]

Word Description Value 53 Current valid ST36450A ST36451A 0003 H 0001 H words 54–58 and 64–70 are vali d 0007 H words 54–58, 64–70 and 85–85 ar e valid 54 Number of current l ogical cylinders ST36450A = 13,328 ST36451A = 13, 328 55 Number of current l ogical heads 15 56 Number of current secto rs 63 57–58 Current capacity in secto rs (C[...]

Word Description Value 68 Minimum PIO t rans fer with IORDY flow control 120 nsec 69–79 Reserved 0000 80 Major vers ion number 000E H supports ATA- 3 supports ATA- 2 supports ATA- 1 81 Minor vers ion number 0000 82 Command set s upport ST36450A = 0000 ST36451A = 7069 H 83 Command set s upport ST36450A = 0000 ST36451A = 4000 H 84 Command set/featu[...]

3.2. 2 Set Fe atures c omma nd (EF H ) The Set Features com mand (com mand code E F H ) allows you to enable and disable the mul tisegmented cache and Aut omati c Reallocation features and t o identify t he transfer modes the drives use. The multi seg- mented buffer consists of Read Look-ahead and write-immediate and write-merging features. The tab[...]

3.2.2.1 PIO and DMA Data-Transfer Modes You can set the multiword DMA mode and i dentify the PIO data-transfer mechanism and transfer mode with the Set Features com mand. To set the multiword DMA m ode: 1. 1. Write Set Features command value 03 H (Set Dat a Transfer mode) to the Featur es register. 2. Write a t ransfer types value t o the Sector Co[...]

3.2 .3 S ta ndby tim er ti m eo ut pe ri od The I dle command and S tandby command Sector Count registers are used to activat e the Standby t imer. The host can enabl e t he Standby timer by placing a value in the sector-count register of the I dl e comm and or Standby command. The value corresponds to a predet ermined period of driv e inactivit y.[...]

You can disable bot h the Writ e Reallocation and wr ite cache us ing value 82 H . These two f eatures coexists as a pair and are enabled/disabled together. 3.3 Syn chr o no us DMA Trans fer 3.3 .1 S ig nal Line D efi ni t io ns Some existing ATA signal lines are redefined during the Synchronous DMA protocol to pr ovide new functions. If the S ynch[...]

• During the ent ire burst, –CS0, –CS1, and –IO CS16 are in the high negated state. DA2, DA1 and DA0 are driven low. • The drive begins driving and stops tri s t ating IORDY when –DMACK is fir st asserted and SyncDMA is enabl ed. The drive must continue to drive IORDY until –DMACK is de-asserted and then tristates IORDY within (Tiordy[...]

Ap pen dix . Tim ing dia gr am s Without IORDY, t he drives operate at programmed I/O timing specifi ca- tions, as shown below. Time Description Min Max T0 Cycle time 200 nsec — T1 Drives address (CS1FX–, CS3FX–, DA0, DA1 and DA2) valid and DIOR– and DI OW setup 30 nsec — T2 DIOW– or DI OR– pulse widt h 80 nsec — T3 DIOW– dat a se[...]

When using IORDY, the driv es operate at pr ogram med t i ming specifica- tions, as shown below. Time Description Min Max T0 Cycle time 120 nsec — T1 Address valid until IOCS16– is asserted — 30 nsec T2 Drive address (CS1FX–, CS3FX–, DA0, DA1 and DA2) valid before DIOR– or DIOW– setup 25 nsec — T3 IOR D Y se tu p ti m e — — T4 D[...]

The drives operate at multiword DMA mode 2 timing specifications, as shown bel ow Time Descri ption Min Max T0 Cy cle ti me 120 nsec — TD DIOW– or DIOR– pulse width ( 16-bit) 70 nsec — TE DIOR– data acc ess — — TF DIOR– dat a hold 5 nsec — TG DIOW– data setup 20 nsec — TH DIOW– data hold 10 nsec — TI DMACK– t o DIOR– o[...]

The dives operates at sustained sy nchronous DMA burst timing specifi- cations, as shown below. Time Descrip tion M ode 0 Mode 1 Mod e 2 Tcyc Cycle time 114 nsec 75 nsec 55 nsec T2cyc Two c ycle t imes 235 ns ec 156 nsec 117 nsec Tds Data setup t ime (at receive r ) 15 nsec 10 nsec 7 nsec Tdh Data hold t ime (at receiver) 5 ns ec 5 nsec 5 nsec Tdvs[...]

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Seagate T echnology, Inc. 920 Disc Drive, Scotts Valley, Cal ifornia 95066, USA Pub licat ion N umb er : 32 65 2-0 01 , R e v. B, Pr int ed in U SA[...]