SeagateメーカーST380020Aの使用説明書/サービス説明書
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U Series Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST380020A, S T360020A . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U Series Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST380020A, ST360020A . . . . . . . . . . . . . . . . . . .
2001 Se agate Tec hnology LLC All ri ghts reserv ed Public ation Number: 100129581 , Rev. B, Jul y 2001 Seagate, Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology LLC. SeaShield, SeaShell and U Series are either registered trademarks or trademarks of Seagate Technology LLC.
U Series Family P roduct Manu al, Rev. B iii Conten ts Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specification s ummary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 Drive s pecifications .
iv U Se ries Famil y Product M anual, Rev. B 1.12.3 FCC v erification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . 1 7 2.1 Handli ng and st atic-discharg e precautio ns .
U Series Fam ily Prod uct Manual , Rev. B v Figures Figure 1. Typical startup and o peration current pr ofile . . . . . . . . . . . . 9 Figure 2. Master/sla ve jumper settings . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Mounting d imensions—top , side and end view .
vi U Se ries Famil y Product M anual, Rev. B.
U Series Fam ily Prod uct Manual , Rev. B 1 Introduction This m anual desc ribes the functiona l, mechanic al and i nterface specifi- cations fo r the ST38 0020A, ST360 020A, ST34 0810A and the ST32041 0A. These drives prov ide the fo llowin g key featur es: • 8.
2 U Series F amily Produ ct Manual , Rev. B Specificati on summary table The spe cification s listed in this tabl e are for qui ck refere nce. For de tails on spec ification measuremen t or defini tion, see the appr opriate s ection of this manual.
U Series Fam ily Prod uct Manual , Rev. B 3 A verage seek read (msec typical) 9.9 A verage seek write (msec typical) 10.9 Full-stroke seek time (msec typical) 22.0 (read) 24.0 (write) A verage latency (msec) 5.55 msec P ower-on to ready ( sec typical) 6.
4 U Series F amily Produ ct Manual , Rev. B Drive acoustics Sound power in bels Idle mode Quiet Seek P erformance Seek 3.0 (typical), 3.3 (max) 3.2 (typical), 3.
U Series Fam ily Prod uct Manual , Rev. B 5 1.0 Dr ive specifi cations Unle ss other wise not ed, all sp ecific ation s are meas ured unde r ambi ent condit ions, a t 25°C, and no minal p ower.
6 U Series F amily Produ ct Manual , Rev. B 1.2 Physical organization 1.3 Recording and inter face technology 1.4 Phys ical chara cteristics Drive Mode l Read/Write heads (GMR) Number of discs ST38002.
U Series Fam ily Prod uct Manual , Rev. B 7 1.5 Se ek ti me Seek meas urements are tak en with nomin al power at 25°C amb ient temperatu re. All ti mes are m easured using dri ve diagnos tics.
8 U Series F amily Produ ct Manual , Rev. B 1.7 Powe r specifications The driv e receive s DC power (+5V or +12 V) through a four-pin standar d drive p ower connec tor. 1.7.1 Power consumption Power r equirements for the drives ar e listed in the table on page 9 .
U Series Fam ily Prod uct Manual , Rev. B 9 1.7.1.1 Typical current profile Figure 1. Typical startup and ope ration current profile Power Mode Typical Watt s Typical Amps Mean s 5V 12V Spinup — 0.75 2.5 Seek (R andom, no read/write) Perfor mance mode 7.
10 U Se ries Family P roduct Manu al, Rev. B 1.7.2 Conducted noise Input n oise rippl e is measu red at the host sy stem powe r suppl y across an equiv alent 80- ohm resist ive load on the +1 2 volt l ine or an e quivalen t 15-ohm r esistive lo ad on the + 5 volt line .
U Series Fam ily Prod uct Manual , Rev. B 11 establishe d using a Standb y or Id le command . In Stand by mode, the drive buffer is e nabled, th e head s are par ked and th e spindle is at res t. The drive accepts all commands and returns to Active mo de any tim e disc a ccess is nece ssary.
12 U Se ries Family P roduct Manu al, Rev. B 1.8. 3 Humi dity 1.8.3. 1 Relative Hum idity 1.8.3.2 Wet bulb temperature 1.8.4 A ltitude 1.8.5 S hock All sh ock sp ecificatio ns ass ume that the dri ve is mou nted sec urely wit h the input sh ock appli ed at the dri ve mountin g screws.
U Series Fam ily Prod uct Manual , Rev. B 13 1.8.6. 1 Operati ng vibrati on The follo wing table li sts the maximu m vibration le vels that th e drive may experienc e while mee ting the perf ormance sta ndards spec ified in th is document.
14 U Se ries Family P roduct Manu al, Rev. B 1.10 Electromagnetic immunity When pr operly i nstalled in a rep resenta tive host system, the driv e operates w ithout errors or deg radation in perfor mance when sub jected to the radi o frequency (RF) envir onments d efined in the fo llowing ta ble: 1.
U Series Fam ily Prod uct Manual , Rev. B 15 1.12.2 Electromagnetic compatibil ity Hard drives that display the CE mark compl y with the Europea n Union (EU) req uirement s specifi ed in the El ectromagneti c Compati bility Direc - tive (89/3 36/EEC).
16 U Se ries Family P roduct Manu al, Rev. B Australian C-Tick (N176 ) If these dri ves have th e C-Tick mark ing, they compl y with the Australia/ New Zealan d Standard AS /NZS3548 199 5 and meet the El ectromag- netic Com patibility (EMC) Fram ework requ irements of the Austr alian Communic ation Auth ority (ACA) .
U Series Fam ily Prod uct Manual , Rev. B 17 2.0 Configuring and mounting the drive This s ection conta ins the s pecific ations an d instru ctions for c onfigur ing and mounting the dr ive.
18 U Se ries Family P roduct Manu al, Rev. B 2.2 Jumpe r settings 2.2.1 M aster/sla ve configuration The optio ns jumper bl ock show n in Figure 2 is used to c onfigure the drive for operatio n. It is the 8-pi n dual head er between th e interface conn ector and the powe r connec tor.
U Series Fam ily Prod uct Manual , Rev. B 19 2.2.2 C able-selec t option Computers that use cable-sel ect determine the ma ster and slave drives by selec ting or dese lecting p in 28, CSEL, on the inter face bus. Ma ster and slav e drives are deter mined by the ir phys ical posi tion on the cable.
20 U Se ries Family P roduct Manu al, Rev. B 2.1 Drive mounting You ca n mount the drive in any orienta tion using four screws in the side- mounting holes or four screws in the b ottom-mounti ng holes.
U Series Fam ily Prod uct Manual , Rev. B 21 3.0 ATA i nterface These dri ves use the i ndustry- standard ATA task file interface tha t support s 16-bit data transfers. It su pports ATA prog rammed input/o utput (PIO) mod es 0–4; multi word DMA modes 0–2, and Ul tra DMA modes 0–5.
22 U Se ries Family P roduct Manu al, Rev. B Figure 4. I/ O pins and supported ATA sig nals Reset – Ground DD7 DD8 DD6 DD9 DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMAR.
U Series Fam ily Prod uct Manual , Rev. B 23 3.1.1 Supported ATA commands The follo wing table li sts ATA-st andard co mmands that the drive sup- ports. For a d etailed descripti on of the ATA commands, refe r to the Draf t ATA-Rev 6 Standa rd. See Secti on 3.
24 U Se ries Family P roduct Manu al, Rev. B 3.1.2 I dentify Driv e command The Iden tify Drive command (command code EC H ) tr ansfe rs inf ormati on about the dr ive to the host fo llowing po wer up. The data is organize d as a single 512-byt e block of da ta, whose c ontents a re shown in the tabl e on page 25.
U Series Fam ily Prod uct Manual , Rev. B 25 Word Description Value 0 Configu ration info rmation: • Bit 15: 0 = ATA; 1 = ATAPI • Bit 7: r emovable media • Bit 6: rem ovabl e cont roll er • Bi.
26 U Se ries Family P roduct Manu al, Rev. B 50 Device- specific standby timer v alue 0000 H 51 P IO dat a-tr ansfe r cycl e timing mo de 0200 H 52 R etire d 020 0 H 53 Word s 54–58, 64–70 a nd 88.
U Series Fam ily Prod uct Manual , Rev. B 27 66 Recom mended multiw ord DMA tr ansfe r cycle t ime pe r wor d (120 nsec ) 0078 H 67 Minim um PIO cy cle time without IO RDY flow contr ol (240 nsec) 00F.
28 U Se ries Family P roduct Manu al, Rev. B 92 Ma ster Pa ssword R evisio n code FFFE H 93 Hardware Reset Value (see de scription following this table) xxxx H 94 Auto A coustic M anagement Settin g x.
U Series Fam ily Prod uct Manual , Rev. B 29 3.1.3 S et Features command This comm and co ntrols the im plementat ion of variou s feature s that the drive su pports. Wh en the drive receiv es this com mand, it sets BSY, checks the conte nts of the Fe atures reg ister, clear s BSY a nd generates an interrup t.
30 U Se ries Family P roduct Manu al, Rev. B Note. At power-o n, or after a hardware or software reset, the default valu es of the fe atures are as indicat ed above.
U Series Fam ily Prod uct Manual , Rev. B 31 3.1.4 S.M.A.R.T. commands S.M.A. R.T. pr ovides ne ar-term failure p redicti on for dis c drives. When S.M.A. R.T. is enable d, the drive mon itors pred etermine d drive attrib utes that are susceptible to degradation over time.
32 U Se ries Family P roduct Manu al, Rev. B.
U Series Fam ily Prod uct Manual , Rev. B 33.
34 U Se ries Family P roduct Manu al, Rev. B Seagate Technology LLC 920 Disc Dri ve, Scott s Valley, Calif ornia 950 66, USA Publication Number: 1001295 81, Rev.
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