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ST4182N.TXT
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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-4182N (94161-182) Wren 3 FH SCSI
(3 by 5 configuration jumper block)
⁄ƒƒƒƒƒ Motor Start Option enable (horizontal)
≥ ⁄ƒ N/A
≥ ≥ ⁄ƒ Terminator Power from Bus
o¡o x¡x oƒ≥ (upper 2 pins) ⁄12ƒGƒGƒ5ƒø ⁄ƒƒƒƒƒƒƒƒø
o o o o ⁄o¬Ÿ ’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ ≥ 0 0 0 0 ≥ ≥Terminator
o o o o ≥o≥ ≥:::SCSI:Cable:::::::::::1≥ \ƒƒƒƒƒƒƒƒƒ/ ¿ƒƒƒƒƒƒƒƒŸ
ÕÕÕÕÕ4Õ2Õ1ÕPÕœTœÕÕÕœÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕœÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ
ÕÕÕÕÕÿÕÿÕÿÕÿÕÕÿÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ
¿ƒ≈ƒŸ ≥ ≥
≥ ≥ ¿ Terminator Power (+5v) from drive (lower 2 pins)
≥ ¿ƒƒƒ Parity Check Option Enable (vertical)
¿ƒƒƒƒƒƒƒ Drive Select ID's (vertical)
(2 by 7 configuration jumper block)
1ø 1ø 1ø
Terminator Power ≥≥--T-Res -- ≥≥ ≥≥
from Bus (horizontal) ≥≥ (3 ea) ≥≥ ≥≥
≥ ¿Ÿ ¿Ÿ ¿Ÿ ⁄12ƒGƒGƒ5ƒø
o o o o o o¡o ’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ ≥ 0 0 0 0 ≥
o o o o o x o ≥:::SCSI:Cable:::::::::::1≥ \ƒƒƒƒƒƒƒƒƒ/
ÕMÕ4Õ2Õ1ÕPÕTÕTÕÕœÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕœÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ
ÕÿÕÿÕÿÕÿÕÿÕÕÕÿÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ
≥ ¿ƒ≈ƒŸ ≥ ≥
≥ ≥ ≥ ¿ƒ Terminator Power (+5v) from drive (lower 2 pins)
≥ ≥ ¿ƒƒƒƒƒ Parity Check Option Enable (vertical)
≥ ¿ƒƒƒƒƒƒƒƒƒ Drive Select ID's (vertical)
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒ Motor Start Option enable
ST-4182N
94161-182 WREN 3 FH
UNFORMATTED CAPACITY (MB) ________________182
FORMATTED CAPACITY (35 SECTORS) (MB) _____155
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________8,721
CYLINDERS ________________________________969
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL (2,7)
TRANSFER RATE (mbytes/sec) _______________1.25
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________8 or 32 Kbyte
8 Kbyte: FIFO, Non-Adaptive,
Single-Segmented Buffer
32 Kbyte: Read Look-Ahead, Non-Adaptive,
Single-Segmented Buffer
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________960
BPI (BITS PER INCH) ______________________19,058
AVERAGE ACCESS (ms) ______________________16.5
SINGLE TRACK SEEK (ms) ___________________4
MAX FULL SEEK (ms) _______________________40
MTBF (power-on hours) ____________________100,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __1.7
+5V TYPICAL (amps) ___1.3
TYPICAL (watts) ______24
MAXIMUM (watts) ______63
BUFFERED STEP PULSE RATE (micro sec) _____N/A
WRITE PRECOMP (cyl) ______________________N/A
REDUCED WRITE CURRENT (cyl) ______________N/A
LANDING ZONE (cyl) _______________________AUTO PARK
IBM AT DRIVE TYPE ________________________0 or NONE
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (9/10/93)