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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)