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st274a.txt
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1993-06-14
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72 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-274A (94204-74 or 94204-65) Wren 2 HH AT (IDE)
┌──Master on /Slave off
│ ┌─────────┐
│┌ Leave as is│ O O O O │ Power
1 J3 ││ 1 J2 \─────────/
:::AT:(IDE):Cable::::::::::::::: :: ::::::::: 12 G G 5
═══════════════════════════════════════════════════════════
ST-274A
94204-74 WREN 2 HH
UNFORMATTED CAPACITY (MB) ________________74
FORMATTED CAPACITY (26 SECTORS) (MB) _____65.5
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________4740
CYLINDERS ________________________________948
HEADS ____________________________________5
DISCS ____________________________________3
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________0.937
SPINDLE SPEED (RPM) ______________________3,600
INTERFACE ________________________________AT
TPI (TRACKS PER INCH) ____________________960
BPI (BITS PER INCH) ______________________13489
AVERAGE ACCESS (ms) ______________________29
SINGLE TRACK SEEK (ms) ___________________5
MTBF (power-on hours) ____________________40,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __0.6
+5V TYPICAL (amps) ___0.4
TYPICAL (watts) ______20
MAXIMUM (watts) ______58
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 ________________________4, *
Possible translation: 940 cyl, 8 heads, 17 sectors = 65,454,080
* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE. ALSO, CHECK TO
SEE IF YOUR CMOS SETUP HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE
AVAILABLE.
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
!WARNING! - Already low-level formatted at the factory.
Since a User-definable or Custom translation geometry may
be used, it is imperative that the values be written down
and kept with your permanent records for retrieval in the
event of CMOS battery failure.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)