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

                              ST - 4144R

       UNFORMATTED CAPACITY (MB) ________________144.0
       FORMATTED CAPACITY (26 SECTORS) (MB) _____122.7
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________9,216
       CYLINDERS ________________________________1,024
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________1,031
       BPI (BITS PER INCH) ______________________14,688
       AVERAGE ACCESS (ms) ______________________28
       SINGLE TRACK SEEK (ms) ___________________6
       MTBF (power-on hours) ____________________40,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.0
                           +12V TYPICAL (amps) __1.3
                           +5V TYPICAL (amps) ___1.3
                           TYPICAL (watts) ______23
                           MAXIMUM (watts) ______55
       BUFFERED STEP PULSE RATE (micro sec) _____3-70
       WRITE PRECOMP (cyl) ______________________N/A (1025)
       REDUCED WRITE CURRENT (cyl) ______________N/A (1025)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________35 or 12*

       *MAY REQUIRE PARTITIONING SOFTWARE

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