Seagate ST32112A manuale d’uso

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U4 Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST32112A, ST34311A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST36421A, ST38421A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . U4 Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST32112A, ST34311A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ST36421A, ST38421A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

 1999 Seaga te Tech nology, In c. Al l rights reser ved Public ation Numbe r: SG 35116-0 01, Rev . D, Jun e 1999 Seagate, Seagate Technology, the Seagat e logo and U4 are either trademarks or registe red trademar ks of Sea gate Technology, Inc. Other product names are register ed trademarks or trademarks of their owners. Seagate reserves t he ri[...]

U4 Family Produc t Manua l, Rev. D iii Conten ts Specification summary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.0 Drive s pecifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Formatted capac ity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1.1 De fault logi cal g[...]

iv U4 Family Produc t Manua l, Rev. D 2.0 Configuring and mounting the driv e . . . . . . . . . . . . . . . . . . . 1 7 2.1 Handli ng and static-disc harge precau tions . . . . . . . . . . . . . . 1 7 2.2 Jumpe r settin gs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 8 2.2.1 M aster/slav e co nfiguration . . . . . . . . . .[...]

U4 Family Produc t Manua l, Rev. D v Seagate Connfidential Revi ew Draft - NOT FOR DISTRIBUTION Figures Figure 1. Typical start up and o peration curre nt prof ile . . . . . . . . . . . . 9 Figure 2. Mas ter/slave ju mper settings . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 3. Mounti ng dimens ions—top , side and en d view . . . . . .[...]

vi U4 Family Product Manual , Rev. D. Seagate Confidential Rev iew Draft - NOT FOR DISTRIBU TION[...]

U4 Family Produc t Manua l, Rev. D 1 Introduction This manual describes the func tional, mec hanic al and interf ace specif i- cations for the U4  ST38 421A, ST364 21A, ST343 11A a nd th e ST32112A. These d rives pr ovide the follow ing k ey feat ures: • Low powe r cons umptio n • Quiet op eration • 10-5 ms ec seek time, 5-400-RP M and 256[...]

2 U4 Family Pr oduc t Manual, Re v. D Specificati on summary table The specif icati ons liste d in this table are for quick referen ce. For de tails on spec ifica tion m easurem ent or defin ition, see t he approp riate sect ion of this m anual. Drive Speci fication ST32112A ST34311A ST36421A ST38421A Guar anteed Mb yte s ( × 10 6 b y tes) 2,160 4[...]

U4 Family Produc t Manua l, Rev. D 3 T rac k-to-tr ac k see k time (msec typic al) 2.0 (read), 2.75 (write) A v er age seek time (m sec typical) 10.5 (r ead), 11.5 ( write) Full-strok e se ek tim e (msec ty pical) 24.0 (r ead), 26.0 ( write) A v er age late ncy (m sec) 5.56 ms ec P o w er-on to read y (sec typi cal) 8 sec Standb y to re ady (sec ty[...]

4 U4 Family Pr oduc t Manual, Re v. D Vibra tion, nono perat ing 5 Gs (0 t o peak, 5– 350 Hz) Drive acoustic s Sound po wer Idle mode Seek mode 3.3 (typ ical ), 3.7 (ma x) 3.9 (typic al), 4.3 (m ax) Non rec overable read errors 1 per 10 13 bits re ad Mean t ime betw een f ailures (po wer-on hours) 400 ,000 Contact st art-stop cyc les (25°C , 40%[...]

U4 Family Produc t Manua l, Rev. D 5 1.0 Driv e specifi cations Unless othe rwise n oted, all sp ecifica tions are measu red unde r ambient conditio ns , a t 25 °C, and nomin al pow er. For c on ve nie nc e, t he phr as es the dr ive and this d riv e are used th rougho ut thi s manu al to indic ate th e U4 ST384 21A, ST 36421A, S T3431 1A and the [...]

6 U4 Family Pr oduc t Manual, Re v. D 1.3 Recording and inter face technology 1.4 Phys ical c haract eristics 1.5 Se ek t ime Seek meas urements are taken with nomin al power at 25° C ambien t temperatu re. All times are m easured using d rive d iagnos tics. Th e spec- ificatio ns in the table below a re define d as fo llows: • Trac k-to -tra ck[...]

U4 Family Produc t Manua l, Rev. D 7 • Averag e seek time is a tr ue stati stical r andom average o f at le ast 5,00 0 measure ments of s eeks be tween r andom tracks, l ess ove rhead. • Full-stro ke seek tim e is one-h alf the tim e needed to seek from the fir st data cyl inder t o th e m ax imu m d ata cy l inder an d b ac k t o th e fi rst d[...]

8 U4 Family Pr oduc t Manual, Re v. D • Seek Mode During seek mode , the read/ write a ctuator arm move s towar d a specifi c position on the di sc surface and does not exec ute a read or write op eration. Ser vo elec tronic s ar e activ e. S eek mode p ower rep- resents the wors t-ca se powe r consu mption , usin g only random s eeks with read o[...]

U4 Family Produc t Manua l, Rev. D 9 1.7.1.1 Typica l current prof ile Figure 1 s hows a typica l curr ent profi le. Figure 1. Typical startup and ope ration curren t profile Power Mode Typical Watts RMS Typical Amps RMS 5V 12V Spinu p — — 1.5 (pea k) Seek (R andom, no read/write) 7.0 0.39 0.42 Operating 5.7 0.34 0.33 Idle 3.1 0.24 0.16 Standb [...]

10 U4 Family Produc t Manua l, Rev. D 1.7.2 Conducted noise Input n ois e rippl e i s mea su re d a t the ho st sy s tem powe r su ppl y ac ro ss an equiv alent 80-oh m resist ive lo ad on the +1 2 vol t line or an e quiva lent 15-ohm res istive load o n the +5 v olt li ne. • Using 12- volt power, the driv e is expected to opera te with a ma ximu[...]

U4 Family Produc t Manua l, Rev. D 11 drive buffer is enab led, th e h eads a re par ked an d the spi ndle is at rest. The drive ac cepts all comm ands an d returns to A ctive mo de any time disc a ccess is n ecessa ry. • Sleep mode The drive enter s Sleep mode after receiv ing a Sleep co mmand from the host. In S leep mo de, the driv e buffer is[...]

12 U4 Family Produc t Manua l, Rev. D 1.8.3.2 Wet bulb temperature 1.8.4 A ltitude 1.8. 5 Shock All shoc k spec ificatio ns ass ume that the drive is mou nted secu rely wit h the input sh ock ap plied at the dri ve mountin g scr ews. Sh ock may b e applied i n the X , Y or Z ax is. 1.8.5. 1 Opera ting shock These dri ves co mply w ith the performa [...]

U4 Family Produc t Manua l, Rev. D 13 1.8.6. 1 Opera ting vibr at ion The following table lists the maximum vibration levels that the drive may expe- rience while meeting the per formance standards specifie d in this document . 1.8.6.2 Nonoperating vibration The followi ng tabl e lists the maxi mum non operatin g vibra tion tha t the drive m ay exp[...]

14 U4 Family Produc t Manua l, Rev. D 1.10 El ectroma gnetic sus ceptibility The drive op erate s without e rrors whe n subjec ted to t he foll owing: 1.11 Rel iability 1.12 Agency c ertification 1.12.1 Safe ty c ertificatio n The drives are rec ognized in accor dance wi th UL 19 50 and CS A C22. 2 (950) and meet all applic able se ction s of IEC95[...]

U4 Family Produc t Manua l, Rev. D 15 comply with t he direc tives when used in th e tes t system s, we canno t guarante e that all sys tems will comp ly with the d irectives. The dr ive is designed for ope ratio n insid e a prop erly de signe d enclo sure, wi th prop- erly shi elded I/O cab le (if necessa ry) a nd termi nators on all un used I/O p[...]

16 U4 Family Produc t Manua l, Rev. D If nece ssary , you shoul d cons ult your deale r or an ex perienc ed ra dio/ televisio n technic ian for addi tional suggesti ons. Yo u may find he lpful th e following bookl et prepa red by th e Feder al Comm unicatio ns Com mis- sion: How to Identify and Resolve Radio- Television Interferenc e Prob- lems . T[...]

U4 Family Produc t Manua l, Rev. D 17 2.0 Configuring and mounting the drive This sec tio n c onta in s th e s pec if ic ati ons an d in st ru ctio n s fo r con fig urin g and mounti ng the drive. 2.1 Handling and static-discharge precautions After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic [...]

18 U4 Family Produc t Manua l, Rev. D 2.2 Jumpe r settings 2.2.1 M aster/s lave conf iguration The options jumper blo ck (J8) sh own in Figu re 2 is used to co nfigure th e drive for ope ration. It is the 6-p in dual head er between the I/O conn ector and the powe r co nnector. Use the follow ing settin gs to c onfig ure the drive a s a maste r or [...]

U4 Family Produc t Manua l, Rev. D 19 2.2. 2 Cable-se lect option Computers that use cable-s elect deter mine the maste r and slave driv es by selec ting or dese lecting p in 28, CSEL, on th e interfac e bus. Mas ter and slav e driv es ar e determi ned by their ph ysic al po sition on the cable . To enable ca ble se lect, set a jum per on pins 5 an[...]

20 U4 Family Produc t Manua l, Rev. D 1.00 ± 0.028 ( 25.4 ± 0.7) 3.72 ± 0.03 (94.5 ± 0.8 ) 4.00 ± 0.02 (101.6 ± 0 . 5) 3.750 ± 0.010 (95.25 ± 0 . 25) 5.75 ± 0.03 ( 146.1 ± 0.8 ) 4.000 ± 0.010 ( 101.60 ± 0.25 ) 3X.250 ± . 015 (6.35 ± 0.38) (both sides) 2.23 ± 0.03 (56.6 ± 0.8 ) 0.230 ± 0.015 (5.84 ± 0.38 ) 0.180 ± 0.015 (4.57 ± 0[...]

U4 Family Produc t Manua l, Rev. D 21 3.0 ATA i nterface These drive s use the i ndustry -standa rd ATA t ask file interfac e that support s 16-bit data transfe rs. It supports ATA prog rammed inp ut/outpu t (PIO) mo des 0–4; m ultiwo rd DMA modes 0– 2, and U ltra D MA mod es 0–4. The dr ive als o sup ports th e use of th e IORD Y signal to p[...]

22 U4 Family Produc t Manua l, Rev. D Figure 4. I/ O pins and supported ATA signal s Reset – Ground DD7 DD8 DD6 DD9 DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ Ground DIOW– STOP Ground DIOR – HDMARDY – HSTROBE Ground IORDY DDMARDY– DSTROBE CSEL DMACK – Ground INTRQ IOCS16 – DA1 PDIAG – CBLID– DA0 D[...]

U4 Family Produc t Manua l, Rev. D 23 3.2 A TA Interf ace commands 3.2.1 Supported ATA commands The followin g table li sts A TA-st andar d comma nds that th e drive s up- ports. For a d etailed des cripti on of the ATA comma nds, refe r to the Draf t ATA-4 Sta ndard. See Secti on 3.2.4 o n page 30 fo r details and subco m- mands us ed in the S.M. [...]

24 U4 Family Produc t Manua l, Rev. D 3.2.2 I dentify D rive co mmand The Identify Drive comm and (co mmand code EC H ) tran sfers inf ormat ion about the dr ive to the hos t foll owing po wer up. The data is organi zed as a single 512 -byt e bloc k of da ta, w hos e c on tents a re sh own in t he tabl e below. Al l reserve d bits or words s hould [...]

U4 Family Produc t Manua l, Rev. D 25 Word Descr iption Value 0 Configur ation i nformati on: • Bit 15: 0 = ATA; 1 = ATA PI • Bit 7: removab le med ia • Bit 6: r emovab le co ntrolle r • Bit 0: reserved 0C5A H 1 Num ber of logic al cylin ders: ST32112A = 4,192 ST34311A = 8,944 ST36421A = 13,33 0 ST38421A = 16,36 8 1060 H (ST32112A) 22F0 H ([...]

26 U4 Family Produc t Manua l, Rev. D 27–46 Drive m odel num ber: (4 0 ASCI I char- acters, padde d with blanks to end of string) ST32112A ST34311A ST36421A ST38421A 47 (Bits 7– 0) Maxim um sec tors pe r inter- rupt on R ead mu ltiple and W rite mul- ti pl e (16) 8010 H 48 Rese rved 0000 H 49 Standard Stand by timer , IORDY suppo rted and m ay [...]

U4 Family Produc t Manua l, Rev. D 27 63 Multiword DM A act ive and m odes support ed (see n ote fol lowing this table) xx 07 H 64 Advanc ed PIO mo des s upported (modes 3 and 4 suppo rte d) 0003 H 65 Minimum multiwor d DMA t ransfer cycle time per word (120 nsec) 00 78 H 66 Recommen ded mul tiw or d DMA transfer cy cle time per word ( 120 nsec) 00[...]

28 U4 Family Produc t Manua l, Rev. D 91–92 ATA- reserved 0000 H 93 Hardware Reset Value (see de scription follo wing thi s table) 4000 H 94–127 ATA- reserved 0000 H 128 S ecur ity S tat us 0001 H 129–159 Se agate- reser ved xxxx H 160–255 ATA -reserved 0000 H Note. See the b it des cription s bel ow for wor ds, 63, 88, and 9 3 of th e Iden[...]

U4 Family Produc t Manua l, Rev. D 29 3.2.3 S et Feat ures command This comm and co ntrol s th e im pl eme ntat ion of v ar ious f eature s th at th e drive su pports. Wh en the drive receiv es this comma nd, it sets BSY , checks the conte nts of the Featu res reg ister, cle ars BS Y and g enerates an interrup t. If the value i n the re gister do e[...]

30 U4 Family Produc t Manua l, Rev. D Note. At power-o n, or after a hardware or softwa re reset, the defaul t values of the fe atures a re as in dicat ed abov e. 3.2.4 S.M.A.R.T. commands S.M.A. R.T. p rovide s near -term failu re predi ction for dis c drives . When S.M.A. R.T. is ena bled, t he dri ve monitor s pred eterm ined drive a ttrib utes [...]

U4 Family Produc t Manua l, Rev. D 31[...]

32 U4 Family Produc t Manua l, Rev. D[...]

U4 Family Produc t Manua l, Rev. D 33[...]

34 U4 Family Produc t Manua l, Rev. D Seagate Technology, Inc. 920 Disc Dri ve, Scot ts Valle y, California 95066, U SA Publication Number: SG35116-001, Rev . D, Printed in USA[...]