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ST138A.TXT
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1990-07-24
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58 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright 1990
ST-138A
/───────\
│O O O O│
└5─G─G─12
═════════════════════════════════════
o o o ....................1
o o o ....................
│ │ │
│ 0 1 Single Drive 0=open
│ 1 1 Dual-Drive Master 1=closed
│ 1 0 Dual-Drive Slave
│
└───── Optional External LED
ST - 138A
UNFORMATTED CAPACITY (MB) ________________38
FORMATTED CAPACITY (26/17 SECTORS) (MB) __32.1
ACTUATOR TYPE ____________________________STEPPER
TRACKS ___________________________________2,416
CYLINDERS ___PHYSICAL/LOGICAL_____________604/615
HEADS _______PHYSICAL/LOGICAL ____________4/6
DISCS ____________________________________2
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) ______________________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 (605)
REDUCED WRITE CURRENT (cyl) ______________N/A (605)
LANDING ZONE (cyl)________________________AUTO PARK
IBM AT DRIVE TYPE ________________________?
*ST138A-0/ST138A-1
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)