                         SEAGATE TECHNOLOGY, INC.
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                            (C)opyright 1991



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

       Data Cable              Controller Cable     /5GG12\
                         ͳ 0 0 0 0 
                o o o o o 1Ŀ o o o o o o o 
                o o o o o Terminator o o o o o o o
                1 2 3 4 5               7 6 5 4 3 2 1
  Motor Start                             Drive Selects
option enable         Factory use   Note:  There are 2 types of PWA's.
                        only          One with drive select header on the
       Sectors                        left, and one with header on the
                       right (like this). Pin positions
          64      0 0 0                  are the same.
          35      0 0 1 = 379,545,600
          10      0 1 0                0=open; 1=closed
          19      0 1 1
          36      1 0 0 = 390,389,760
          34      1 0 1 = 368,701,440
          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 (2,7)
       TRANSFER RATE (mbytes/sec) _______________1.25
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       INTERFACE ________________________________ESDI
       TPI (TRACKS PER INCH) ____________________1280
       BPI (BITS PER INCH) ______________________19600
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________3
       MAX FULL SEEK (ms) _______________________33
       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.

** ESDI controllers which offer an Alternate/Spare sector per track
   option will format to a capacity = Cyl*Hd*(SPT-1)*512 bytes

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