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

Wren 5 HH SCSI           ST-2125N (94221-125)

                                                         12 G G 5
                                              4 2 1 P   ΪΔΔΔΔΔΔΔΔΔΏ
     ΪΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΔΏ  A B C D E F G H  o o o o   ³ O O O O ³ Power
     ³:SCSI:Cable::::pin 1³  o o o o o o o o  o o o o   \ΔΔΔΔΔΔΔΔΔ/
    ΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΡΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
                                                ³   ³
         A-B Not used                           ³   ΐΔ Parity check
         B-C Terminator power from Bus          ³
         C-D Terminator power from Drive        ΐΔΔΔΔΔ Drive Select ID
         D-E Not used
         E-F Not used
         F-G Continuous test seeks
         G-H Motor Start option enable

                             ST-2125N
                        94221-125/M WREN 5 HH

       UNFORMATTED CAPACITY (MB) ________________125
       FORMATTED CAPACITY (xx SECTORS) (MB) _____107
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________4632
       CYLINDERS ________________________________1544
       HEADS ____________________________________3
       DISCS ____________________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR
       TRANSFER RATE (mbytes/sec) _______________1.125-1.875
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1280
       BPI (BITS PER INCH) ______________________19213
       AVERAGE ACCESS (ms) ______________________18
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __0.9
                           +5V START-UP (amps) __1.3
                           +5V TYPICAL (amps) ___1.0
                           TYPICAL (watts) ______16
                           MAXIMUM (watts) ______61
       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

Already low-level formatted at the factory.
ZBR = Zone Bit Recording = Variable sectors per track

Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
