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st2274a.txt
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1991-03-15
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79 lines
SEAGATE TECHNOLOGY, INC.
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
┌──────────────────────────────────┬─────────────────────────────────┐
│ United States +1 408 438-8771 │ United Kingdom +44 628 478011 │
├──────────────────────────────────┼─────────────────────────────────┤
│ Germany +49 89 140-9331 │ Singapore +65 227-2217 │
└──────────────────────────────────┴─────────────────────────────────┘
(C)opyright 1991
ST-2274A (94244-274) Wren 6 HH AT (IDE)
┌────────────────────┐ /───────\
═══╡1::AT:(IDE):Cable:::╞══════════════════════════╡O O O O╞══
└────────────────────┘ o o o o o o o └───────┘
o o o o o o o 5 G G 12
G F E D C B A
A B
0 0 Factory use only
0 1 Drive is Slave, motor start delay 20 sec from master start-up
1 0 Drive is Slave, no motor start delay
1 1 Drive is Master, motor starts at application of DC power
C D
0 0 Physical mode
0 1 Translate (logical) mode, sparing scheme is one sector
1 0 Translate (logical) mode, no sparing space allocated
1 1 Factory use only
E
0 Slave present, only meaningful on master
1 No Slave present
F G
x x Factory test, position G may or may not be present by PWA
ST-2274A
94244-274 WREN 6 HH
UNFORMATTED CAPACITY (MB) ________________274
FORMATTED CAPACITY (54 SECTORS) (MB) _____241
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________8735
CYLINDERS ________________________________1747
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.875
INTERFACE ________________________________AT
TPI (TRACKS PER INCH) ____________________1459
BPI (BITS PER INCH) ______________________31699
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) __0.95
+5V START-UP (amps) __1.0
+5V TYPICAL (amps) ___0.75
TYPICAL (watts) ______15
MAXIMUM (watts) ______59
BUFFERED STEP PULSE RATE (micro sec) _____
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________*
* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.
Possible Translation: 536 cyls, 16 heads, 55 sectors per track
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
!WARNING! - Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)