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ST-4350N (94171-350) Wren 4 FH SCSI
Connects CHASIS ground to ground lug --------------+
Connects SIGNAL ground to ground lug ------------+ |
Drive Select ID's -------+ | |
Motor Start Option enable ---+ | G G
Parity Check Option enable -+ | +-+-+ +1+2+
P M 4 2 1 |o|o| +12-G-G-5-+
o o o o o |o|o| | 0 0 0 0 | Power
o o o o o +-+-+ \---------/
---------------------------------------------------------------Servo-PWA-
-+-------+----+---------------------------+--------+--------+--Data-PWA--
1-------+ |:::SCSI Cable::::::::::::1 | +-+ 1--------+
Terminator DIP +---------------------------+ |o| o Terminator DIP
|o+-o
+++
Terminator power (+5v) from drive (vertical) ---+
Terminator power from the Bus (lower horizontal)
ST-4350N
94171-350/M WREN 4 FH
UNFORMATTED CAPACITY (MB) ________________350
FORMATTED CAPACITY (xx SECTORS) (MB) _____300
AVERAGE SECTORS PER TRACK ________________46
ACTUATOR TYPE ____________________________VOICE COIL
TRACKS ___________________________________12708
CYLINDERS ________________________________1412
HEADS ____________________________________9
DISCS ____________________________________5
MEDIA TYPE _______________________________THIN FILM
RECORDING METHOD _________________________ZBR RLL (2,7)
TRANSFER RATE (mbytes/sec) _______________1.25-1.875
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) ____________________1280
BPI (BITS PER INCH) ______________________19058
AVERAGE ACCESS (ms) ______________________16.5
SINGLE TRACK SEEK (ms) ___________________4
MAX FULL SEEK (ms) _______________________43
MTBF (power-on hours) ____________________100,000
POWER REQUIREMENTS: +12V START-UP (amps) _4.5
+12V TYPICAL (amps) __1.5
+5V START-UP (amps) __2.0
+5V TYPICAL (amps) ___1.8
TYPICAL (watts) ______27
MAXIMUM (watts) ______64
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 ________________________0 or NONE
ZBR = Zone Bit Recording = Variable sectors per track
Already low-level formatted at the factory.
Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90) |