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The 640 MEG Shareware Studio 1
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The 640 Meg Shareware Studio CD-ROM Volume I (Data Express)(1992).ISO
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st157r.txt
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1990-08-17
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3KB
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63 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright 1990
ST-157R
/───┐
│ O │12
│ O │G
│ O │G
│ O │5
┌Data Cable ┌Controller Cable 1 \───┘
═════════ ══ ════════════════════ ═══ ════════════
o o o o o o o o ┌────────────1
o o o o o o o o └──┬─────────┘
│ │ │ │ 4 3 2 1 └ Resistor Termination Pack
│ │ │ │ ───┬───
│ │ │ │ │
│ │ │ │ └──── Drive Selects
│ │ │ └───────── Factory Test
│ │ └─────────── Write Fault
│ └───────────── Not Used
└─────────────── Radial
ST - 157R
UNFORMATTED CAPACITY (MB) ________________57.7
FORMATTED CAPACITY (26 SECTORS) (MB) _____49.1
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________3,690
CYLINDERS ________________________________615
HEADS ____________________________________6
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbits/sec) ________________7.5
INTERFACE ________________________________ST412
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) ___0.8
TYPICAL (watts) ______8
MAXIMUM (watts) ______28
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 ________________________**
*ST157R-0/ST157R-1
* MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING
AND PARTITIONING SOFTWARE. ALSO, CHECK TO SEE IF YOUR CMOS SETUP
HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)