Manuale d’uso / di manutenzione del prodotto 810 del fabbricante Seagate
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1995 Seagate Technology, Inc . All rights reserved Publication Number: 36300-101, Rev. A, August 1995 Seagate, S eagate Technology and the Seagate logo are registered trademark s of Seagate Technology, Inc. Safe Rite and Marathon are trademark s of Seagate Technology, Inc.
Con te nts I nt r od u c ti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specif icati o n summary table . . . . . . . . . . . . . . . . . . . 2 1.0 Dri ve sp ecificatio ns . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Form atted c apacity .
1.11.2 FCC verification . . . . . . . . . . . . . . . . . . . . 13 2.0 Dri ve mo unting an d con figu ration . . . . . . . . . . . . . . 15 2.1 Handling and static-discharge pr ecautions . . . . . . . . . 15 2.2 Jumper set tings . . . . . . . . . . . .
Figu res Figur e 1. Typical start up and operat ion current profile for the ST9816AG . . . . . . . . . . . . . . . . . . . . . . 8 Figure 2. Connector and m aster /slave jumper set up for the ST9816AG . . . . . . . . . . . . . . . . . . . . . . 16 Figure 3.
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In trod uct ion The Mar athon 810 (ST9816AG) provides high storage capacity in a sma ll, low-profi le hard disc drive. Key features: • Safe Rite shock prot ection • Low power cons umpt ion.
Spe cifica tion su mmary t able The specifications l isted in this table are for qu ick referenc e. F or details on specification measur ement or definition, see the appr opriate sec tion of this manual.
Drive S peci f icatio n ST9816AG Av era ge lat ency ( msec) 6.67 Power-on to ready (sec onds , typica l) 7 Standby to ready (sec onds , typica l) 3 Spinup po wer an d cur ren t (typical) 3.50 wat t s, 0. 700 amps Seek po wer an d cur ren t (typical) 2.
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1.0 Drive specif icatio ns Unless otherwise noted, all specificat ions are meas ured under amb i ent conditions, at 25°C, at sea l eve l, and nominal power. 1.1 Fo rmat te d c apa cit y ST9816AG Guaranteed Mbyt e s (1 Mbyt e = 10 6 by tes) 810.7 Guaranteed sect ors 1,583,5 68 Bytes per sector 512 1.
1.3 Recordin g and inte rf ace tec hn olo gy Int erfac e ATA Recording meth od RLL (1,7) Recording density (bits/inch) 90,000 Flux densit y (flux change/inch) 67,500 Track density ( track s/inch) 3,807 Areal density (Mb its/inc h 2 ) 342 Spindle speed (RPM ) ( ± 0.
1.5 Seek ti me All seek times are measured using a 25 MHz 486 AT computer (or f aster) with a 8.3 MHz I/O bus. The measurement s are t aken with nom inal power at sea level and 25°C ambient t emperature.
lev el . Act ive mode cur rent and p ower are m ea sured with a 32 -mse c del ay be tween ea ch ope rat ion and the dri ve in de fault log ical geome try.
1.7.2 Power recovery Except during exec ution of a write com mand, the dr ive’s power can b e interrupted w ithout adverse l y affect ing the drive or previously writt en data. If power is removed wh i le the drive is perform ing a write operat ion, the integrity of the data being written cannot be guaranteed.
is system-depend ent and i s usually est ablish ed using the system setup uti li ty. I n St andby mode, th e buff er r emain s enable d, t he head s are par ked and the spi ndle is at re st. The dri ve ac cepts all co mmands and returns to Act ive mode any t ime disc access i s nece ssary.
1.8 .4 Altit u de Operating –300 m to 3,040 m (–1,000 ft to 10,000 ft) Nonoperating –300 m to 12,190 m (–1,000 ft to 40,000 f t) 1.8 .5 Shock All shock specif ications as sume that the drive is m ounted in an approved orientation w i th the input levels at the drive m ounting s crews.
1.8 .6.2 Non o perati n g vibratio n The f ollowing table lists the max imum nonoperating v ibration that th e drive may experience wit hout incurr ing physical dam age or degr adation in performance when put into operation.
1.1 1 Ag enc y cert ifi cat ion 1.1 1.1 Saf ety ce r tifi cat ion The ST9816AG is listed in accordance with UL 1950 and CSA C22.2 (950-M89) and meets all applicable sections of IEC 380, IEC 435, IEC 950, VDE 0806/08.81 and EN 60950 as test ed by TUV-Rheinland, North Am erica.
Com miss ion: How to Identify and Resolve Radio-T elevision Interference Problems . This booklet is ava i lable from the Superintendent of Docu- ments, US G overnment P rinting Office, Wash i ngt on, DC 20402. Refer to publi cation number 004-000-00345-4.
2.0 Drive mount ing and co nfig urat ion 2.1 Handl ing and sta tic -d isch arge precau tion s After unpac king, and before inst allation, the drive m ay be exposed to potenti al handling and E SD hazards. It i s m andatory that you observe standard static-discharge precaut ions.
Master/slave configuration jumpers Circuit board Pin 1 Pin 20 removed for keying Note. Drive is shown with circuit board up. B D A C Drive is master; slave may be detected using DASP– signa.
Jumpe r fo r p in s A and B Jump er fo r pi ns C and D Confi g urati o n Removed Removed Drive is master; slave drive may be detecte d using DASP– s ignal. CSE L is ignored. Removed Installed Drive is mas ter; slave drive is pr esent. CS EL is ignored.
0.747 ± 0.007 (18.97 ± 0.18) 4X 3 mm × 0.5 mm × 0.15 in. (3.81 mm) deep min. full thread (2 each side) 1.375 ± 0.015 (34.93 ± 0.38) 0.118 ± 0.010 (3.00 ± 0.25) 4.020 (102.11) max (head/disc assembly to tip of pins) 1.500 ± 0.
2.5 ATA in terfa ce c o nnecto r The drive c onnector is a 44- conductor connec tor wi th 2 rows of 22 male pins on 0.079-inc h (2-mm) centers (see Figures 4 and 5). The m ating cable connector is a 44-c onductor , nonshielded connector with 2 rows of 22 fem ale contacts on 0.
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3.0 ATA interfa ce The ST9816A G uses the indust ry-standar d ATA interf ace. It support s both 8-bit and 16-bit data transfers . I t support s ATA programmed in- put/output (PIO) modes 0, 1, 2, 3 and 4, ATA single-word DM A modes 0, 1 and 2, and ATA multiword DMA modes 0, 1 and 2.
Reset – Ground DD7 DD8 DD6 DD9 DD5 DD10 DD4 DD11 DD3 DD12 DD2 DD13 DD1 DD14 DD0 DD15 Ground (removed) DMARQ Ground DIOW – Gro.
3.2 ATA In terfa ce c ommands 3.2 .1 Supp orted AT A command s The following table lists ATA- standard and Seagate- specific dr ive com- mands that the ST9816AG supports. For a detailed description of the ATA comm ands, refer to the Draft Proposed AT A-2 Standar d.
Comman d n am e Command code Su pported b y ST9816AG Write DM A (w/r etry ) CA H Yes Write DM A (no r etry ) CB H Yes Write Long (w/retr y) 32 H Yes Write Long (no retry) 33 H Yes Write Multiple C5 H .
The following commands cont ain drive-specific features or are not de- scribed in the Draft Propos ed ATA-2 Standard. 3.2 .2 I denti fy D rive co mmand The Ident ify Drive comm and (command code E C H ) transfers inform ation about the drive to the host after power up.
Word Description ST 9816AG 27–46 Drive model number: (40 ASCI I characters, padded with blanks t o end of string) ST 9816AG 47 Maximum sect ors per interrupt on read/write multiple 0010 H 48 Doubl e.
Word Description ST 9816AG 67 Minimum PIO cycle time without IORDY flow contro l (363 nsec) 016B H 68 Minimum PI O cy cle time wit h IORDY f low contro l (120 nsec) 0078 H 69–127 A TA reserved 0000 H 128–159 Seagate reserved xxxx H 160–255 ATA reserved 0000 H Not e.
3.2 .3 Set F eatures c om m a nd Th i s com mand controls the im plementat ion of various f eatures t hat th e drive supports. When the drive receives th is comm and, it sets BSY, checks t he cont ents of the F eatur es regist er, clears BSY and generates an interrupt.
Ap pendix . Compa tibilit y no tes ECC testing When an ST9816AG perform s hardware-based ECC error correction on-the-fly, the drive does not report an ECC error.
Seagate Tech n o log y, Inc. 920 Disc Drive, Sco tts Vall ey, Cali forni a 95066, USA Pu blica tion Num b er: 3 63 00 -10 1, Au gu st 1 99 5, Prin ted in U SA.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Seagate 810 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Seagate 810 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Seagate 810 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Seagate 810 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Seagate 810, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Seagate 810.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Seagate 810. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Seagate 810 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
