SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771  [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright  1990 

Wren 4 FH SCSI         ST-4350N (94171-350)

Connects CHASIS ground to ground lug ÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
Connects SIGNAL ground to ground lug ÄÄÄÄÄÄÄÄÄÄÄÄ¿ ³
                   Drive Select ID's ÄÄÄÄÄÄÄ¿    ³ ³
           Motor Start Option enable ÄÄÄ¿   ³    G G
          Parity Check Option enable Ä¿ ³ ÚÄÅÄ¿ Ú1Â2¿
                                      P M 4 2 1 ³o³o³   Ú12ÄGÄGÄ5Ä¿
                                      o o o o o ³o³o³   ³ O O O O ³ Power
                                      o o o o o ÀÄÁÄÙ   \ÄÄÄÄÄÄÄÄÄ/
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     Terminator                                         Terminator
   ÍÑÍÍÍÍÍÍÍÑÍÍÍÍÑÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÑÍÍÍÍÍÍÍÍÑÍÍÍÍÍÍÍÍÑÍÍDataÍPWAÍÍ
    1ÄÄÄÄÄÄÄÙ    ³:::SCSI Cable::::::::::::1 ³ ÚÄ¿    1ÄÄÄÄÄÄÄÄÙ
                 ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ³o³ o     
                                               ³oÅÄo
                                               ÀÂÙ
Terminator power (+5v) from drive (vertical) ÄÄÄÙ
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
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________12708
       CYLINDERS ________________________________1412
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR
       TRANSFER RATE (mbytes/sec) _______________1.25-1.875
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1280
       BPI (BITS PER INCH) ______________________19058
       AVERAGE ACCESS (ms) ______________________16.5
       SINGLE TRACK SEEK (ms) ___________________4
       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)