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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-4702N (94181-702) Wren 5 SCSI
-
- Power
- ╒═════════════════════════════╕ /─────────\
- ═════P═W═A══════╡:SCSI:Cable:::::::::::::::::1╞═╡ 0 0 0 0 ╞══
- ┌─┐ ╘═════════════════════════════╛ └─5─G─G─12┘
- │o│x o o o o o(o) *───────1 *───────1 *───────1
- ┼o┼o o o o o o(o) └───────┘ └───────┘ └───────┘
- └─┘ 4 2 1 Terminator SIPS (see note below *)
- │ ──┬── │ │ │
- │ │ │ │ └─Reserved (some PWA's do not have these pins)
- │ │ │ └───Parity check enable
- │ │ └─────Motor Start option enable
- │ └─────────Drive ID's, ID 0 (none) if only SCSI device
- └───────────────Terminator power from Drive (vertical)
- Terminator power from Bus (lower horizontal)
-
- * Note: If you have #77701215k silk-screened near the 50-pin SCSI cable
- connector, the pin-1 for the 3 terminating resistors is away from
- the DC power connector.
-
-
- ST-4702N
- 94181-702/M WREN 5 FH
-
- UNFORMATTED CAPACITY (MB) ________________702
- FORMATTED CAPACITY (xx SECTORS) (MB) _____601
- AVERAGE SECTORS PER TRACK ________________50
- ACTUATOR TYPE ____________________________VOICE COIL
- TRACKS ___________________________________23190
- CYLINDERS ________________________________1546
- HEADS ____________________________________15
- DISCS ____________________________________8
- MEDIA TYPE _______________________________THIN FILM
- RECORDING METHOD _________________________ZBR RLL (2,7)
- TRANSFER RATE (mbytes/sec) _______________1.5-2
- SPINDLE SPEED (RPM) ______________________3,600
- AVERAGE LATENCY (mSEC) ___________________8.33
- BUFFER ___________________________________32 Kbyte
- Read Look-Ahead, Non-Adaptive,
- Single-Segmented Buffer
- INTERFACE ________________________________SCSI
- TPI (TRACKS PER INCH) ____________________1280
- BPI (BITS PER INCH) ______________________26000
- AVERAGE ACCESS (ms) ______________________16.5
- SINGLE TRACK SEEK (ms) ___________________3
- MAX FULL SEEK (ms) _______________________39
- MTBF (power-on hours) ____________________100,000
- POWER REQUIREMENTS: +12V START-UP (amps) _4.5
- +12V TYPICAL (amps) __1.6
- +5V START-UP (amps) __1.0
- +5V TYPICAL (amps) ___0.7
- TYPICAL (watts) ______21
- MAXIMUM (watts) ______59
- 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 or NONE
-
- ZBR = Zone Bit Recording = Variable sectors per track
- Already low-level formatted at the factory.
-
- Seagate reserves the right to change, without notice, product
- offerings or specifications. (6/26/90)