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Seagate 810 - page 1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat hon 81 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATA Interfac e Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Seagate 810 - page 2
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Seagate 810 - page 3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat hon 81 0 (ST9 816AG ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATA Interfac e Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Seagate 810 - page 4
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. Other product names are reg- istered trademar ks or tradem arks of their ...
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Seagate 810 - page 5
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 . . . . . . . . . . . . . . . . . . . . . 5 1.1.1 Default logical geom etry . . . . . . . . ...
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Seagate 810 - page 6
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 . . . . . . . . . . . . . . . . . . . . . . . 15 2.2.1 Master/ slave configurat i on . . . . . . . . . . . . . . . 15 2.3 ...
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Seagate 810 - page 7
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. Mounting dimensions for the ST9816AG . . . . . . . . . 18 Figure 4. A TA Interf ace connecto ...
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Seagate 810 - page 8
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Seagate 810 - page 9
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 • Compact, MCC-com patible f orm-fact or • Qu iet oper ation • Adva nced pa rtia l -respon s e, maxi mum-li keli hoo d (P RML) read c hannel ? ...
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Seagate 810 - page 10
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 Guar anteed Capacity ( × 10 6 byte s) 810 Gu a ra n te e d se c to rs 1 ,5 83 ,5 6 8 Byt es per sector 5 12 Defa ...
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Seagate 810 - page 11
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) 2.10 wat t s, 0. 420 amps Read/W rite power and curr ent (typical) 2.10 wat t s, 0. 420 amps Idle mo ...
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Seagate 810 - page 12
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Seagate 810 - page 13
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 .1 De fau lt lo gical g eomet ry ST9816AG Secto ...
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Seagate 810 - page 14
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. 5%) 4,500 Internal dat a-transf er rate (Mb its per sec max— ZB R) 44 I/O dat a-t ...
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Seagate 810 - page 15
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. The specif i cations in th e table below are defined as follows: • Track- to-track seek t i me is an average of all possible singl e-trac k see ...
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Seagate 810 - page 16
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. See king powe r and cu rr ents ar e measur ed dur ing one - third- str oke buff- ered seeks. Read/Writ e power and c ur rent are measur ed wit h the heads on tr ack, base d on a 16-se cto r writ ...
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Seagate 810 - page 17
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. 1.7 .3 Co nduc ted n oise The drive ...
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Seagate 810 - page 18
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. Sleep mod e. The drive enters Sleep mode after receiving a ...
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Seagate 810 - page 19
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. Th e nonoperating spec ifications assume t hat the read/ ...
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Seagate 810 - page 20
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. 5–22 Hz 0.162-inc h displacem ent (double am plitude) 22–450 Hz 4 Gs accelerat ion (peak) 450–22 Hz 4 Gs accelerat ion ...
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Seagate 810 - page 21
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. 1.1 1.2 FCC ve r ifica tion The ST9816AG is intended to be contained sole ...
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Seagate 810 - page 22
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. 14 Marathon 810 (ST9816A G) Product Manual, August 1995 ...
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Seagate 810 - page 23
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. A grounded wrist-st rap i s pre- ferred. Handle the dr ive only by the ...
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Seagate 810 - page 24
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– signal Drive is master; Seagate slave drive present Drive is slave; Seagate master drive present Use CSEL pin grounding to differentiate master fr ...
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Seagate 810 - page 25
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. DASP– is ignored. Insta lled Rem oved Drive is slave (a master dr ive should be present also) ...
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Seagate 810 - page 26
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 ± 0.010 (38.10 ± 0.25) 0.000 1.227 ± 0.020 (31.17 ± 0.51) 0.155 ± 0.020 (3.94 ± 0.51) ...
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Seagate 810 - page 27
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 0.079-inch (2-mm) cent ers. The c onnector s should provide str ain relief ...
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Seagate 810 - page 28
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Seagate 810 - page 29
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. The drive also supports the use of the IORDY s ignal to provide rel ...
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Seagate 810 - page 30
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 ...
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Seagate 810 - page 31
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 ATA-stan dard command s Execute ...
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Seagate 810 - page 32
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 Yes Write Same E9 H No Write S ectors ( w/retry) 30 H Yes Write S ectors ( no retry) 31 H Yes Write V erify 3C H No ATA-st andard po wer-manag ement c ...
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Seagate 810 - page 33
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. The data is or gani z ed as a single 512-byte b l ock of data, whose contents ar ...
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Seagate 810 - page 34
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 I /O (not supported) 0000 H 49 Standby timer (ATA compliant), IORDY (supported/c an be disab led), LBA mode (supported), DM A mode ( supported) ...
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Seagate 810 - page 35
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. DMA mode set tings in t he Ident ify Drive com mand ar e ref lec ted in the b ...
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Seagate 810 - page 36
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. If the value in the r eg ister does not represent a f eatur e that the drive sup ...
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Seagate 810 - page 37
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. This allows ECC correction without degra ding drive perform ance. Som e older drive diag- nostic programs test ECC featur es by creating small data er rors and th en checking to see if the ...
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Seagate 810 - page 38
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 ...
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