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ST42101N.TXT
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1994-02-11
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SEAGATE TECHNOLOGY, INC.
Customer Technical Support FAX Network +1 408 438-8137
Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
⁄ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¬ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒø
≥ United States +1 408 438-8771 ≥ United Kingdom +44 628 478011 ≥
√ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ≈ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¥
≥ Germany +49 89 140-9331 ≥ Singapore +65 227-2217 ≥
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ¡ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒŸ
(C)opyright 1991
ST-42101N Wren 9 FH SCSI-2 Fast Wide
⁄ Synchronous Spindles option DC
≥ Power
≥ ’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ /ƒƒƒƒƒƒƒƒƒ\
ÕÕÕÕÕÕÕÕPÕWÕAÕÕÕÕÕÕÕÕÕµ:SCSI:Cable:::::::::::::::::1ΔÕµ 0 0 0 0 ΔÕÕ
⁄ƒø ⁄ƒ¡ƒø ‘ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕæ ¿ƒ5ƒGƒGƒ12Ÿ
≥o≥o o o o o o o≥o+o≥ ⁄ƒƒƒƒƒƒ1 ⁄ƒƒƒƒƒƒ1 ⁄ƒƒƒƒƒƒ1
≈o≈o o o o o o o≥o-o≥ ¿ƒƒƒƒƒƒŸ ¿ƒƒƒƒƒƒŸ ¿ƒƒƒƒƒƒŸ
¿1Ÿ 4 2 1 ¿ƒƒƒŸ Terminator SIPS
≥ ≥ ƒƒ¬ƒƒ ≥ ≥ ≥
≥ ≥ ≥ ≥ ≥ ¿ƒ Motor Start Delay (16 secs * ID)
≥ ≥ ≥ ≥ ¿ƒƒƒ Parity check enable
≥ ≥ ≥ ¿ƒƒƒƒƒ Motor Start option enable
≥ ≥ ¿ƒƒƒƒƒƒƒƒƒ Drive ID's, ID 0 (none) if only SCSI device
≥ ¿ƒƒƒƒƒƒƒƒƒƒƒƒƒ Terminator power to the Bus (vertical)
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒ≈ Terminator power from Drive, default (vertical)
≥ Terminator power from Bus (lower horizontal)
LED
⁄ƒƒƒø (Viewed from front of drive) ⁄ GND
≥ 0 ≥ ≥
ÕÕÕÕœÕÕÕœÕÕÕÕÕÕÕÕÕÕÕÕÕPÕWÕAÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÿÕÕÕÕÕÕÕÕÕÕÕÕ
o o o J6
pin-1 (+5v) ----o o o
≥ ≥ ≥
Remote LED connection ƒƒŸ ≥ ≥
Write Protect Remote ≈ƒƒƒŸ ≥
Switch cable connection ≥ ≥
Factory Use Only ƒƒƒƒƒƒŸ
ST-42100N
WREN 9 FH
UNFORMATTED CAPACITY (MB) ________________2,200
FORMATTED CAPACITY (xx SECTORS) (MB) _____1,900
AVERAGE SECTORS PER TRACK (with spares)___96
ACTUATOR TYPE ____________________________ROTARY VOICE COIL
TRACKS ___________________________________38,595
CYLINDERS ________________________________2,573
HEADS ____________________________________15
DISCS (5.25 in) __________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (1,7)
INTERNAL TRANSFER RATE (mbits/sec) _______20 to 31
EXTERNAL TRANSFER RATE (Mbytes/sec) ______20.0 Sync. (16 bit)
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________256 Kbyte
Read Look-Ahead, Adaptive,
Multi-Segmented Cache
INTERFACE ________________________________SCSI-2 Fast Wide
SECTORS PER DRIVE ________________________3,705,120
TPI (TRACKS PER INCH) ____________________2,150
BPI (BITS PER INCH) ______________________
AVERAGE ACCESS (ms) ______________________12.95
SINGLE TRACK SEEK (ms) ___________________2
MAX FULL SEEK (ms) _______________________29
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __0.8
+5V TYPICAL (amps) ___0.6
TYPICAL (watts) ______23
MAXIMUM (watts) ______
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory with one spare sector
per track and two spare cylinders/unit.
Seagate reserves the right to change, without notice, product
offerings or specifications. (10/31/91)