SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1991



ST-4038 ST412 MFM

                                                          /?4?3?2?1?\
                                                          ? O O O O ? Power
                                                          ???????????
 ?Data Cable                                        1       5 G G 12
 ????????? ??                 ???????????????????? ???   ????????????
              o o o o o o o o    ?1     ?Controller Cable
              o o o o o o o o    ??
Drive Select->1 2 3 4 ? ? ? ?    ??? Resistor Termination Pack
                ? ? ? ? ? ? ?    ??
                ? ??? ? ? ? ?    ??
                ?  ?  ? ? ? ?
                ?  ?  ? ? ? ?
                ?  ?  ? ? ? ? Radial
                ?  ?  ? ? ??? Recovery Mode
                ?  ?  ? ????? Write Fault
                ?  ?  ??????? Not Connected
                ?  ?????????? Never Used (Drive Select 3 and 4)
                ? If twisted cable, use Drive Select 2

                              ST - 4038

       UNFORMATTED CAPACITY (MB) ________________38.2
       FORMATTED CAPACITY (17 SECTORS) (MB) _____31.9
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________3,665
       CYLINDERS ________________________________733
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________OXIDE
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       SPINDLE SPEED (RPM) ______________________3,600
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________750
       BPI (BITS PER INCH) ______________________9,617
       AVERAGE ACCESS (ms) ______________________40
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________25,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.0
                           +12V TYPICAL (amps) __1.5
                           +5V TYPICAL (amps) ___1.5
                           TYPICAL (watts) ______25.5
                           MAXIMUM (watts) ______56
       BUFFERED STEP PULSE RATE (micro sec) _____10-70
       WRITE PRECOMP (cyl) ______________________300
       REDUCED WRITE CURRENT (cyl) ______________N/A (734)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________22, 20 or 8

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