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ST4442E.TXT
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1990-07-24
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62 lines
SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright 1990
Wren 5 FH ESDI ST-4442E (94186-442)
┌Data Cable ┌Controller Cable /─5─G─G─12\
════════ ═══ ══════════════ ═══ ═│ O O O O ╞══
o o o o o 1───────────┐ o o o o o o o └─────────┘
o o o o o └Terminator─┘ o o o o o o o
1 2 3 4 5 7 6 5 4 3 2 1
Motor Start ──┘ │ │ │ │ └Drive Selects
option enable │ │ │ └─ Factory use Note: There are 2 types of PWA's.
│ │ │ only One with drive select header on the
Sectors │ │ │ left, and one with header on the
═══════════╪═╪═╪══ right (like this). Pin positions
64 0 0 0 are the same.
35 0 0 1 0=open (off)
10 0 1 0 1=closed (on)
19 0 1 1
36 1 0 0
34 1 0 1
87 1 1 0
Add Mark 1 1 1
ST-4442E
94186-442 WREN 5 FH
UNFORMATTED CAPACITY (MB) ________________442
FORMATTED CAPACITY (34 SECTORS) (MB) _____368
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________21180
CYLINDERS ________________________________1412
HEADS ____________________________________15
DISCS ____________________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.125
INTERFACE ________________________________ESDI
TPI (TRACKS PER INCH) ____________________1280
BPI (BITS PER INCH) ______________________19600
AVERAGE ACCESS (ms) ______________________16
SINGLE TRACK SEEK (ms) ___________________3
MTBF (power-on hours) ____________________100,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __2.0
+5V START-UP (amps) __1.4
+5V TYPICAL (amps) ___0.8
TYPICAL (watts) ______23
MAXIMUM (watts) ______61
BUFFERED STEP PULSE RATE (micro sec) _____
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
IBM AT DRIVE TYPE ________________________*
* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)