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

                              ST-253
                        94205-51 WREN 2 HH

       UNFORMATTED CAPACITY (MB) ________________51
       FORMATTED CAPACITY (17 SECTORS) (MB) _____43
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________4,795
       CYLINDERS ________________________________989
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       INTERFACE ________________________________ST506
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________9,535
       AVERAGE ACCESS (ms) ______________________28
       SINGLE TRACK SEEK (ms) ___________________5
       MTBF (power-on hours) ____________________40,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.5
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______20
                           MAXIMUM (watts) ______??
       BUFFERED STEP PULSE RATE (micro sec) _____8-200
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       IBM AT DRIVE TYPE ________________________17 *

* MAY REQUIRE FORMATTING/PARTITIONING SOFTWARE

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