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USA BESTSELLER Vol 1-95 (Hepp-Computer)(1995).iso
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e177
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st325n.txt
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1992-04-17
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SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
┌──────────────────────────────────┬─────────────────────────────────┐
│ United States +1 408 438-8771 │ United Kingdom +44 628 478011 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1991
ST-325N SCSI Interface
│J2 10-pin version (located
│ on SIDE, near rear)
└─────┬────────────────
│
1
(front) ° ° ° ° ▀ (back)
° ° ° ° ° 4-pin DC
═════╧═╤══╤══╤══╤══╤═══════ SCSI Interface Power
1 2 4 │ P connector ┌─1─2─3─4─┐
└──┼──┘ │ │ ╒═════════════════════════╕ │ 0 0 0 0 │
│ │ │ │::::::::::::::::::::::::1│ \12─G─G─5─/
│ │ │ ══════╧══════P═W═A══════════════╧═════════════
│ │ │ ┌──────1 ┌──────1 ┌──────1
│ │ │ └──────┘ └──────┘ └──────┘
│ │ │ Termination Resistors
│ │ │
│ │ └─ Parity Check Enable
│ └──── Reserved
└────────── Drive ID's, ID 0 (none) for single drive system
ST - 325N
UNFORMATTED CAPACITY (MB) ________________25
FORMATTED CAPACITY (32 SECTORS) (MB) _____21.4
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________1,308
CYLINDERS ________________________________654
HEADS ____________________________________2
DISCS ____________________________________1
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL 2,7
INTERNAL TRANSFER RATE (mbits/sec) _______9.2
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________2K or 8K
INTERFACE ________________________________SCSI
BYTES PER TRACK __________________________16,384
SECTORS PER DRIVE ________________________41,856
TPI (TRACKS PER INCH) ____________________1,015
BPI (BITS PER INCH) ______________________22,762
AVERAGE ACCESS (ms) ______________________28
SINGLE TRACK SEEK (ms) ___________________7
MTBF (power-on hours) ____________________50,000
POWER REQUIREMENTS: +12V START-UP (amps) _1.2
+5V TYPICAL (amps) ___0.26
POWER MANAGEMENT (Watts):
ACTIVE _______________7.0
IDLE _________________2.4
STANDBY ______________1.4
SLEEP ________________
BUFFERED STEP PULSE RATE (micro sec) _____
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________0
Seagate reserves the right to change, without notice, product
offerings or specifications. (5/6/91)