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- ST - 157A
-
- UNFORMATTED CAPACITY (MB) ________________N/A
- FORMATTED CAPACITY (26 SECTORS) (MB) _____43.0
- ACTUATOR TYPE ____________________________STEPPER
- TRACKS ___________________________________3,234
- CYLINDERS ________________________________539
- HEADS ____________________________________6
- DISCS ____________________________________3
- MEDIA TYPE _______________________________THIN FILM
- RECORDING METHOD _________________________RLL
- TRANSFER RATE (mbits/sec) ________________7.5
- INTERFACE ________________________________AT BUS
- TPI (TRACKS PER INCH) ____________________824
- BPI (BITS PER INCH) ______________________20,280
- AVERAGE ACCESS (ms) ______________________40/28*
- SINGLE TRACK SEEK (ms) ___________________8
- MTBF (power-on hours) ____________________50,000
- 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 (540)
- REDUCED WRITE CURRENT (cyl) ______________N/A (540)
- LANDING ZONE (cyl)________________________AUTO PARK
- IBM AT DRIVE TYPE ________________________?**
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- *ST157R-0/ST157R-1
- **MAY REQUIRE PARTITIONING SOFTWARE