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st3120a.txt
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1993-06-14
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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-3120A
4-pin DC
3-pin DC Power
Power ╒══════════ ═════════╕/─4─3─2─1─\
═╤═5═G═12╤╡::::::::::∙::::::::1╞│ 0 0 0 0 ╞═
│ 0 0 0 │╘══════════╤═════════╛└─5─G─G─12┘
╘═1═2═3═╛ (pin-20 missing
for keying purposes)
User Configuration Block
│ (located behind 3-pin DC)
└───────┬──────────────────
│ 1= On, 0= Off
(back of drive) 2 o-o 1 ─── Life Test (do not use)
4 o-o 3 ─── Master on (Slave off)─── 1 1 0
6 o-o 5 ─── Slave Present ────────── 0 1 0
8 o-o 7 ─── Active LED
(front of drive) 10 o-o 9 ─── Reserved S M S
i a l
n s a
g t v
l e e
r r
ST-3120A
UNFORMATTED CAPACITY (MB) ________________N/A
FORMATTED CAPACITY (xx/17 SECTORS) (MB) __106.9
ACTUATOR TYPE ____________________________STRAIGHT ARM
TRACKS ___________________________________
CYLINDERS __PHYSICAL/LOGICAL______________xx/1024
HEADS ______PHYSICAL/LOGICAL______________3/12
DISCS ____________________________________2
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (2,7) ZBR
TRANSFER RATE INTERNAL (mbits/sec) _______10/12
SPINDLE SPEED (RPM) ______________________3,528
BUFFER ___________________________________32 KByte SeaCache
INTERFACE ________________________________AT BUS
TPI (TRACKS PER INCH) ____________________1,792
BPI (BITS PER INCH) ______________________31,005
AVERAGE ACCESS (ms) ______________________<16
SINGLE TRACK SEEK (ms) ___________________3
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _0.9
POWER MANAGEMENT (Watts):
ACTIVE _______________5.1
IDLE _________________2.5
STANDBY ______________0.8
SLEEP ________________0.8
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. (see below)
Possible translation: 1024 cyl, 12 heads, 17 sectors = 106,954,752
PHYSICAL/LOGICAL equivalent to NATIVE/TRANSLATION
ZBR = Zone Bit Recording = Variable sectors per track
!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. (5/13/91)