Seagate 1680 manuale d’uso

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat ho n 2250 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat ho n 1680 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATA In terfac e D rives . . . . . . . . . . . . . . . . . . . . . [...]

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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat ho n 2250 (S T 9225 5AG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Marat ho n 1680 (S T 9168 5AG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ATA In terfac e D rives . . . . . . [...]

 1997 Seagate Technology , I nc. All r ights r eserved Publicat ion Number: 36337-101, Rev. B, March 1997 Seagate, Seagate Technology and the Seagate logo are registered trademarks of Seagate Technology, Inc. Marat hon and SafeRite are trademarks of Seagate Technology. Other product names are registered trademarks or tradem arks of t heir owners[...]

Contents Int rodu c ti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Specificat ion summary tabl e . . . . . . . . . . . . . . . . . . . 2 1. 0 Dr ive s peci fi ca tion s . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Formatted c apacit y . . . . . . . . . . . . . . . . . . . . . 5 1.1.1 Default logical geometry . . . . . . . . . [...]

1.11.2 Electromagnetic Compatibili ty . . . . . . . . . . . . 15 1. 11.3 FCC v eri fi ca t ion . . . . . . . . . . . . . . . . . . . . 15 2. 0 Dr ive m oun ting a nd conf igur at i on . . . . . . . . . . . . . . 17 2.1 Handling and static - dis charge precautions . . . . . . . . . 17 2.2 Jumper sett ings . . . . . . . . . . . . . . . . . . . . . . [...]

Fig ur es Figure 1. Typical startup and operation current prof ile. . . . . . . . 9 Figure 2. Connector and m aster/s lav e jumper setup . . . . . . . . 18 Figure 3. Drive mounting dimensions—side and bot tom view. . . . 20 Figure 4. Drive mounting dimensions—end view . . . . . . . . . . 21 Figure 5. ATA Interface connector dimensions . . . . .[...]

vi Marathon 2250 and Marathon 1680 P roduct Manual[...]

In tr od uct ion The Marathon  2250 (ST92255AG) and Marathon 1680 (ST91685AG) provide ver y high storage c apacit y in a smal l, 17- mm hard di sc dri ve. Key Featur es: • Low power consumption • Compact, SFF-8200-compatible form-fact or • High rotational speed for fast internal data transfer • Quiet operation • SafeRite  s hock pr [...]

Spe cification summ ary t able The speci fications li sted i n this table ar e for qui ck refer ence. For details on a specif icati on measurement or def inition, see t he appropriate s ection of t his manual. Drive Specificati on Marathon 2250 Marathon 1680 Guarant eed Mbyte s (1 Mbyt e= 10 6 bytes) 2 ,25 0 1,680 Guarant eed s ector s (LBA mod e) [...]

Drive Specificati on Marathon 2250 Marathon 1680 Power -on to ready (sec typic al) 3.5 Standby to ready (sec t ypical ) 2 Spinup cu rrent (pe ak) 1 .3 a mp s Read/W rit e power and cu rrent (typi ca l) 2.5 wat t s, 0. 5 am ps Seek po wer an d cur ren t (ty pical ) 2.5 wat t s, 0. 5 am ps Idle mod e power and cu rr ent (typi ca l) 1 .2 wa tts, 0. 24[...]

4 Marathon 2250 and M arathon 1680 Product M anual[...]

1.0 D ri ve specif icatio ns Unless otherwise not ed, all specif ic ati ons are measured under ambient conditions , at 40°C, at sea l evel and nominal power. 1. 1 Fo rm a tt ed ca p acity Marathon 2250 Marathon 1680 Guaranteed K bytes 2,250,209 1,680,634 Guaranteed s ectors (LBA m ode) 4,394,940 3,282,490 Bytes per sector 512 512 Note . DOS system[...]

The Marathon 1680 supports any translation geometry that sati sfies all of t he following c onditions: • Secto rs pe r trac k ≤ 63 • Read/wri te heads ≤ 16 • (Sec tors p er tr ack) × (read/writ e heads) × (cylinders) ≤ 3,282,048 1.2 Phy sica l organi zati on Marathon 2250 Marathon 1680 Read/Writ e heads 10 8 Discs 5 4 1.3 Rec or din g[...]

1.4 Phy sical ch aract eristi cs Marathon 2250 Marat hon 1680 Maximum height (inches) (mm) 0.676 (17.2) 0.676 (17.2) Maximum widt h (inches) (mm) 2.76 (70.1) 2.76 (70.1) Maximum lengt h (inches) (mm) 3. 955 (100.45) 3.955 (100.45) Typical weight (ounces) (gram s) 7.19 (204) 7.05 (200) Note. Maximum length excludes I/O connector pins that may extend[...]

1.6 Sta rt ti mes Power-on t o Ready ( sec) 3.5 t ypical, 7 max Standby to Ready (sec) 2 typical, 3 max Idle to Ready (sec) 0.4 max 1.7 Pow er spe cif icat io ns The dri ve receives DC power (+5V) through pin 41 and pin 42 of the AT interface c onnector. 1.7. 1 Po wer co nsump tion Pow er r equir e ment s f or t he dri ve ar e li ste d in the t abl[...]

1. 7. 1 . 1 T yp i ca l cu rr e n t pro fil e Figure 1 shows a projec ted dri ve startup and operati on current profil e for the Marat hon 2250 and t he Mar athon 1680. Note . The peaks in F igure 1 are t he result of inductive kickback from the commutat ion of the spindle motor and, therefore, do not draw power from the battery. 1.7. 2 Po wer re c[...]

• 100 mV peak-to-peak triangular -wave injected noise at the power connector. The frequency is 100 K Hz to 10 MHz with equivalent resistive l oads. Note . Equivalent resistanc e (9.26 ohms) is calculated by dividing the nominal voltage (5V) by the typical RMS read/ write current ( 0.54 amps). 1.7 .4 Vo lta ge to ler anc e Voltage t olerance (incl[...]

When the st andby timer ex pires, t he drive makes t he transit ion t o the Standby mode. The drive requir es approxi mately 100–200 msec to return to Active mode from I dl e mode. Stan dby mode. T he dri ve ente rs S tandb y mode when the h ost send s a Stand by or St and by I mmed iate c o mmand. If t he st and by c ommand has set the st andb y[...]

1.8 Env ironmen tal to leran ces 1.8 .1 Am bie nt t emperatu re Operating 5° t o 55°C ( 41° t o 131°F) Nonoperating –40° to 70° C (–40° to 158° F) Caution. This dr ive ne eds s uffi cie nt ai rf low so t ha t th e max i mum s urf ace tem per a tu re at the c en te r of th e to p cov er of th e dr iv e does not exce ed 62 de grees C (14 [...]

Note . At power-down, the read/wri te heads aut omati cally move t o the shippi ng zone. The head and slider ass embly park inside of the maximum data cylinder . When power i s applied, the heads re- cali brate to T rack 0. 1.8. 5.1 Op erating shock The Marathon 2250 and the Mar athon 1680 i ncorporate SafeRite shock protection and c an withstand a[...]

1.8. 6.2 Nonop erati ng vib ratio n The following table lists the max i mum nonoperating vibration that the drive may exper ience without incur ring physical damage or degradation in performance. 5–22 Hz 0.2-i nch displacement (peak-to-peak ) 22–400 Hz 4 Gs acceleration (0 to peak) 400–22 Hz 4 Gs acceleration (0 to peak) 22–5 Hz 0.2-i nch d[...]

1.11 Ag enc y cert ificat ion 1.11.1 Safet y cert ificat ion The dri ve is recogni zed in acc ordance with UL 1950 and CSA C22.2 (950-M89) and meets all applicable sections of IEC 380, I EC 435, IEC 950, VDE 0806/08. 81 and E N 60950 as t ested by T UV-Rheinl and, North America. 1.11.2 Electr omag netic Com patib ilit y Hard drives that di splay th[...]

This equipment is designed to provide reasonable protection agains t such int erference in a r esident ial i nstallation. However, there is no guarantee that i nterference wi ll not occur in a part icular ins tallati on. If this equipment does cause interferenc e with radio or t elevision r eception (which can be determined by turning the equipment[...]

2.0 Dr ive m ount ing and co nfigur at ion 2.1 Han dl ing and sta tic -d isch ar ge pr ecau ti on s After unpacking, but before ins tallation, the drive may be exposed to potential handli ng and ESD hazards. You must observe st andard stati c- discharge pr ecautions. A grounded wri st-strap is recommended. Handle the drive only by the s i des of th[...]

Jumper for pi ns A and B Jumper for pi ns C and D Config ur a t io n Off Of f Drive is master; slave dr ive may be detected using DASP– signal. CSEL is ignored. Off On Dri ve is mas ter; s lave driv e i s present. CSEL is ignored. DASP– is i gnored. On Off Dri ve is slave (a m ast er drive should be present also). CSEL is i gnored. On On Differ[...]

2.3 Rem ote L ED co nfigu ratio n The drive indicates activity to the host through the DASP– line (pin 39) on the ATA interface. This line m ay be connected to a dr ive status indicator driving an LED at 5V. The line has a 30 mA nominal current limit ; however, most external LEDs are suffi ciently bright at 15 mA. Because the LED drops 1.7 volts,[...]

A26 thread, 4PLC min A38 full thread center within A27 of position specified A7 A29 A28 A23 A21 ± A22 A6 (to end of HDA) A30 A31 A24 A25 A4 ± A5 (width at mounting holes) A32 thread, 4PLC min A41 full thread center within A33 of position specified S1 (to tips of I/O connector pins) A8 z x y A37 Z4 A37 Z3 A37 Z2 A37 X1 A37 Z1 X2 A37 A40 A39 X Y Z [...]

Mount i ng dim e n s ion speci f ica t io ns Dim. Description inches mm A1 Drive height 0.668 16.97 A2 + tolera nce on drive heig ht 0.008 0.20 A3 – tolera nce on drive heig ht 0.008 0.20 A4 Drive width at m ount i ng ho les 2.750 69.85 A5 + and – t oler anc e on drive width a t m oun ting h oles 0. 0 0 9 0. 2 3 A6 Ma x imu m driv e lengt h (no[...]

Mount i ng dim e n s ion speci f ica t io ns Dim. Description inches mm A1 6 Allowable range, si de-to-side, pi ns w ithin connector 0. 0 0 3 0. 0 8 A17 Pin top-to- bot t om dime nsi on 0.020 0.50 A18 + and – toler anc e on pin top- to -bo ttom dim ensi on 0.002 0.05 A19 Allow able ra nge, t op- to-bo ttom con nector lo cati on 0.020 0.50 A20 All[...]

2.5 ATA inter face c onnec tor The drive connector is a 44-conductor connector with 2 rows of 22 male pins on 0.079-i nch (2 mm) centers (see Figure 4 on page 21 and F igure 5). The mating cable c onnector is a 44-conductor, nonshielded c onnector with 2 rows of 22 f emale contac ts on 0.079-inch (2 mm) center s. The connectors should provide str a[...]

24 Marathon 2250 and Marathon 1680 P roduct Manual[...]

3.0 A TA At tach m ent -3 Inter fac e (AT A-3) The dri ves in thi s manual comply wit h t he ATA-3 Standard, pr oposed by the X3T10 com mittee, a T echnical Commit tee of Accredited St andards Committee X3, of the A meric an National Standards Institut e (ANSI). The X3T10 committ ee has been renamed to X3T13 to refl ect its curr ent standards work [...]

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 – DASP – Ground Power Power Ground Reserved Pins 28, 34 and 39 are used for master-slave communication (details sh[...]

3.2 ATA Inter face c ommands 3.2. 1 Su ppor ted AT A command s The following table lists supported ATA-standard and Seagate-s pecific drive commands. For a detailed descript ion of t he ATA c ommands, refer to the Draft Pr oposed ATA-3 Standard. See Secti on 3.2.4 on page 33 for details and subcommands used in t he S.M.A.R.T. implementation. Comman[...]

Command n ame Command code Sup port ed by Marathon 2250 and Marathon 1680 Execut e S.M .A. R.T Co mm a nd B0 H Yes Wr ite Bu ffe r E8 H Yes Write D MA (w/r etry) CA H Ye s Wri te DMA (no r etr y) CB H Ye s Wri te Long (w/retry) 32 H Yes Wri te Long (no r etry) 33 H Yes Wri te Multiple C5 H Yes Write S ame E9 H No Wri te Sectors (w/retry ) 30 H Yes [...]

The foll owing commands contain drive-spec ific features that may not be descri bed in the Draft Proposed ATA-3 Standard . 3.2. 2 Iden ti fy Driv e command The Identify Dr ive command (command code EC H ) transfer s information about the drive to the host foll owing power-up. The data is organized as a single 512-byte block of data, the contents of[...]

Word Descri ption Contents 27–46 Drive model number: (40 AS CII char acters, padded wit h blanks to end of string) ST 92 25 5AG or ST91 68 5AG 47 Maximum sec tors per interrupt on read/ write multiple 0010 H 48 Doubl e wor d I/O (not supported) 0000 H 49 Standby timer values supported per A TA standard, IORDY suppor ted, I ORDY can be disabled 2C[...]

Word Descri ption Contents 65 Minimum multiword DMA tr ansfer cycl e time per word (120 nsec) 0078 H 66 Recommended multiword DMA transf er cycle t ime per word (180 ns ec) 0078 H 67 Minimum PIO cycle time without IORDY flow control (363 nsec ) 016B H 68 Minimum PIO cycle time with IORDY f l ow control (120 nsec ) 0078 H 69–127 ATA-res erved 0000[...]

3.2. 3 Set Feat ures c omman d This command controls the implementation of various features that the drive supports. When the drive receives this command, it sets BSY, checks t he contents of the Featur es registe r, clears BSY and generat es an interrupt . If the value in t he register does not represent a feat ure that the dri ve supports, the co[...]

99 H Not implemented 9A H Not implemented AA H Enable read look-ahead (read cac he) feature (default) AB H Not implemented BB H 4 bytes of E CC apply on read l ong and wri te long c ommands (default) CC H Enable reverting to power-on defaults (default) At power-on or after a hardware reset, the default values of the features are as indicated above.[...]

3.2.4 S.M .A.R. T. commands Self-Monit oring, Analysi s and Reporting T echnology ( S.M.A.R.T.) is an emerging technology that provides near-term fail ure prediction for disc drives. When S. M.A.R.T. i s enabled, the Seagate dr ive monitors prede- termined driv e attributes t hat are susceptible to degradati on over time. If self-monit oring det er[...]

3.2 .5 Drive -S ecu ri ty comma nd s The drive-security commands provide a password-bas ed security sys- tem to prevent unauthorized access to a disc drive. During manufacturing, the master password, SEAGATE, is set for t he drive, and the lock f unction is disabled. The syst em manuf acturer or dealer may s et a new mast er password using the Sec [...]

36 Marathon 2250 and Marathon 1680 P roduct Manual[...]

Appendix . Compa tibility notes ECC testin g When a M arathon 2250 or Mar athon 1680 perfor ms hardware-based ECC error correct ion on-t he-fly, the dr ive does not repor t an E CC error . This allows ECC cor rection wit hout degradi ng drive per formance. Some older drive diagnostic programs test ECC features by creating small data errors and then[...]

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Sea gat e T ec hnol ogy, I nc. 920 Disc Drive, Scotts Val ley, California 95066, USA Pub l ic at io n Nu mbe r: 3633 7-1 01 , R ev. B, Pr int e d in U SA[...]