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

ST-151

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              ³ ³ ³ ³ 4 3 2 1    À Resistor Termination Pack
              ³ ³ ³ ³ ÄÄÄÂÄÄÄ
              ³ ³ ³ ³    ³
              ³ ³ ³ ³    ÀÄÄÄÄ Drive Selects
              ³ ³ ³ ÀÄÄÄÄÄÄÄÄÄ Factory Test
              ³ ³ ÀÄÄÄÄÄÄÄÄÄÄÄ Not Used
              ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄ Recovery Mode
              ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Radial

                              ST - 151

       UNFORMATTED CAPACITY (MB) ________________50.8
       FORMATTED CAPACITY (17 SECTORS) (MB) _____42.5
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________4,885
       CYLINDERS ________________________________977
       HEADS ____________________________________5
       DISCS ____________________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________MFM
       TRANSFER RATE (mbits/sec) ________________5.0
       INTERFACE ________________________________ST506
       TPI (TRACKS PER INCH) ____________________1,300
       BPI (BITS PER INCH) ______________________14,108
       AVERAGE ACCESS (ms) ______________________24
       SINGLE TRACK SEEK (ms) ___________________8
       MTBF (power-on hours) ____________________50,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.45
                           +5V TYPICAL (amps) ___0.5
                           TYPICAL (watts) ______8
                           MAXIMUM (watts) ______27
       BUFFERED STEP PULSE RATE (micro sec) _____3-200
       WRITE PRECOMP (cyl) ______________________N/A (978)
       REDUCED WRITE CURRENT (cyl) ______________N/A (978)
       LANDING ZONE (cyl)________________________AUTO PARK
       IBM AT DRIVE TYPE ________________________17 or 11*

 * MAY REQUIRE A CONTROLLER WITH BIOS SUPPORT, OR FORMATTING 
   AND PARTITIONING SOFTWARE.  ALSO, CHECK TO SEE IF YOUR CMOS SETUP 
   HAS A "CUSTOM" OR "USER DEFINABLE" DRIVE TYPE AVAILABLE.

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