SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771  [up to 9600, N-8-1]
(C)opyright  1990

                             ST-1239NS
                          94351-230S Swift

       UNFORMATTED CAPACITY (MB) ________________239
       FORMATTED CAPACITY (36 SECTORS) (MB) _____210
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________11,412
       CYLINDERS ________________________________1,268
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1,543
       BPI (BITS PER INCH) ______________________30,000 max
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________70,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           MAXIMUM (watts) ______34
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________N/A (1269)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1269)
       IBM AT DRIVE TYPE ________________________NONE

Already low-level formatted at the factory.

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

* MAY REQUIRE FORMATTING AND PARTITIONING SOFTWARE