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- SEAGATE TECHNOLOGY, INC.
- Technical Support Bulletin Board
- 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
- (C)opyright 1990
-
- ST-157N
-
- /───┐
- │ O │12
- │ O │G
- │ O │G
- │ O │5
- \───┘
- ════════════════════════════════════════════════
- o o o o o .........................
- o o o o o .........................
- 1 2 4 │ P ┌──────1┌──────1┌──────1
- ──┬── │ │ └──────┘└──────┘└──────┘
- │ │ │ └ Resistor Termination Packs
- │ │ │
- │ │ └─ Parity Check enable
- │ └─── Not Used
- └─────── Drive ID's, ID 0 (none) for single drive system
-
- ST - 157N
-
- UNFORMATTED CAPACITY (MB) ________________57
- FORMATTED CAPACITY (26 SECTORS) (MB) _____48.6
- ACTUATOR TYPE ____________________________STEPPER
- TRACKS ___________________________________3,678
- CYLINDERS ________________________________615
- HEADS ____________________________________6
- DISCS ____________________________________3
- MEDIA TYPE _______________________________THIN FILM
- RECORDING METHOD _________________________RLL
- TRANSFER RATE (mbits/sec) ________________7.5
- INTERFACE ________________________________SCSI
- TPI (TRACKS PER INCH) ____________________824
- BPI (BITS PER INCH) ______________________22,430
- AVERAGE ACCESS (ms) ______________________40/28*
- SINGLE TRACK SEEK (ms) ___________________8
- MTBF (power-on hours) ____________________70,000
- POWER REQUIREMENTS: +12V START-UP (amps) _2.0
- +12V TYPICAL (amps) __0.35
- +5V TYPICAL (amps) ___0.9
- TYPICAL (watts) ______9
- MAXIMUM (watts) ______29
- BUFFERED STEP PULSE RATE (micro sec) _____3-200
- WRITE PRECOMP (cyl) ______________________N/A (616)
- REDUCED WRITE CURRENT (cyl) ______________N/A (616)
- LANDING ZONE (cyl)________________________AUTO PARK
- IBM AT DRIVE TYPE ________________________0 or NONE
-
- *ST157N-0/ST157N-1
-
- Seagate reserves the right to change, without notice, product
- offerings or specifications. (6/26/90)