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SEAGATE TECHNOLOGY, INC.
1-800-SEAGATE
http://www.seagate.com
(C)opyright 1991
ST-4350N (94171-350) Wren 4 FH SCSI
Connects CHASIS ground to ground lug 컴컴컴컴컴컴컴�
Connects SIGNAL ground to ground lug 컴컴컴컴컴컴� �
Drive Select ID's 컴컴컴커 � �
Motor Start Option enable 컴커 � G G
Parity Check Option enable 커 � 旼탠� �1�2�
P M 4 2 1 쿽쿽� �12횳횳�5커
o o o o o 쿽쿽� � 0 0 0 0 � Power
o o o o o 읕좔� \컴컴컴컴�/
袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴袴�Servo�PWA�
錮袴袴袴錮袴袴佶袴袴袴袴袴袴袴袴袴袴袴袴袴佶袴袴袴錮袴袴袴袴佶�Data�PWA袴
1컴컴컴켸 �:::SCSI Cable::::::::::::1 � 旼� 1컴컴컴컴�
Terminator DIP 突袴袴袴袴袴袴袴袴袴袴袴袴袴� 쿽� o Terminator DIP
쿽탠o
읓�
Terminator power (+5v) from drive (vertical) 컴켸
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)
A copy of this specification file may be obtained
by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st4350n.txt.
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