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ST4766N.TXT
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1991-10-31
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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-4766N (94191-766) Wren 6 FH SCSI
⁄ƒƒ Some 16-pin configurations may not have these pins.
≥
≥ ’ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕ∏ /ƒ4ƒ3ƒ2ƒ1ƒ\
ÕÕÕÕÕPÕWÕAÕÕÕÕÕÿÕÕµ:::SCSI:Cable:::::::::::::::1ΔÕµ 0 0 0 0 ΔÕÕ
⁄ƒø ≥ ‘ÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕÕæ ¿ƒ5ƒGƒGƒ12Ÿ
≥o≥o o o o o o(o)o ⁄ƒƒƒƒƒƒƒƒ1⁄ƒƒƒƒƒƒƒƒ1⁄ƒƒƒƒƒƒƒƒ1 Power
≈o≈o o o o o o(o)o ¿ƒƒƒƒƒƒƒƒŸ¿ƒƒƒƒƒƒƒƒŸ¿ƒƒƒƒƒƒƒƒŸ
¿ƒŸ 4 2 1 M P ≥ ≥ Terminator Resistor SIPS
≥ ƒƒ¬ƒƒ ≥ ≥ ≥ ≥
≥ ≥ ≥ ≥ ≥ ¿ƒ Reserved
≥ ≥ ≥ ≥ ¿ƒƒƒ Motor Start Delay ( 16 sec * ID)
≥ ≥ ≥ ¿ƒƒƒƒƒ Parity option enable
≥ ≥ ¿ƒƒƒƒƒƒƒ Motor Start option enable
≥ ¿ƒƒƒƒƒƒƒƒƒƒƒ Drive ID's, ID 0 (none) if only SCSI device
¿ƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒƒ≈ Terminator power from Drive (vertical)
¿ Terminator power from Bus (lower horizontal)
ST-4766N
94191-766 WREN 6 FH
UNFORMATTED CAPACITY (MB) ________________766
FORMATTED CAPACITY (54 SECTORS) (MB) _____676
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________24,480
CYLINDERS ________________________________1,632
HEADS ____________________________________15
DISCS ____________________________________8
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________RLL
TRANSFER RATE (mbytes/sec) _______________1.875
SPINDLE SPEED (RPM) ______________________3,600
AVERAGE LATENCY (mSEC) ___________________8.33
BUFFER ___________________________________32 Kbyte
Read Look-Ahead, Non-Adaptive,
Single-Segmented Buffer
INTERFACE ________________________________SCSI
TPI (TRACKS PER INCH) ____________________1,459
BPI (BITS PER INCH) ______________________30,500
AVERAGE ACCESS (ms) ______________________15.5
SINGLE TRACK SEEK (ms) ___________________3
MAX FULL SEEK (ms) _______________________37
MTBF (power-on hours) ____________________150,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __1.0
+5V TYPICAL (amps) ___0.6
TYPICAL (watts) ______21
MAXIMUM (watts) ______59
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. (6/26/90)