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

Wren 5 FH ESDI           ST-4442E (94186-442)

       ÚData Cable              ÚController Cable     /Ä5ÄGÄGÄ12\
      ÍÍÍÍÍÍÍÍ ÍÍÍ             ÍÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍÍÍ    ͳ O O O O ÆÍÍ
                o o o o o 1ÄÄÄÄÄÄÄÄÄÄÄ¿ o o o o o o o ÀÄÄÄÄÄÄÄÄÄÙ
                o o o o o ÀTerminatorÄÙ o o o o o o o
                1 2 3 4 5               7 6 5 4 3 2 1
  Motor Start ÄÄÙ ³ ³ ³ ³                        ÀDrive Selects
option enable     ³ ³ ³ ÀÄ Factory use   Note:  There are 2 types of PWA's.
                  ³ ³ ³    only          One with drive select header on the
       Sectors    ³ ³ ³                  left, and one with header on the
       ÍÍÍÍÍÍÍÍÍÍÍØÍØÍØÍÍ                right (like this). Pin positions
          64      0 0 0                  are the same.
          35      0 0 1   0=open (off)
          10      0 1 0   1=closed (on)
          19      0 1 1
          36      1 0 0
          34      1 0 1
          87      1 1 0
    Add Mark      1 1 1

                             ST-4442E
                       94186-442 WREN 5 FH

       UNFORMATTED CAPACITY (MB) ________________442
       FORMATTED CAPACITY (34 SECTORS) (MB) _____368
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________21180
       CYLINDERS ________________________________1412
       HEADS ____________________________________15
       DISCS ____________________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________ESDI
       TPI (TRACKS PER INCH) ____________________1280
       BPI (BITS PER INCH) ______________________19600
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________3
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __2.0
                           +5V START-UP (amps) __1.4
                           +5V TYPICAL (amps) ___0.8
                           TYPICAL (watts) ______23
                           MAXIMUM (watts) ______61
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________*

 * 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)