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

Wren 3 ESDI             ST-4182E (94166-182)

      ÚDrive Selects   ÚÄÄÄÄÄÄÄÄÄÄÄÄÄ¿                    12 G G 5
      1 2 3 4 5 6 7    ³   Term     1³                   ÚÄÄÄÄÄÄÄÄÄ¿
      o o o o o o o    ³ 14 pin dip  ³ ÚCommand Cable    ³ O O O O ³ Power
      o o o o o o o    ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÙÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿1 \ÄÄÄÄÄÄÄÄÄ/
     ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍØÍÍÍÍÍÍÍÍÍÍÍÍÍ ÍØÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
                        ÚÄÄÄÄÄÄÄÄÄÄ¿1 ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
     ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍØÍÍÍÍÍÍÍÍ ÍØÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
                        ÀÄÄÄÄÄÄÄÄÄÄÙ
                         ÀData Cable

                          ÚÄ Motor Start option enable
                          ³
                          |  SW1   (located at front of drive behind the
       B/Sec ³  Sectors ³ 1 2 3 4   front plate)
       ÍÍÍÍÍÍØÍÍÍÍÍÍÍÍÍÍØÍMÍÍÍÍÍÍ
       512   ³    34    ³   1 1 0    1=on
       512   ³    35    ³   1 0 0    0=off
       512   ³    36    ³   0 1 0
       256   ³    64    ³   0 0 0
             ³ Add Mark ³   1 1 1


                             ST-4182E
                        94166-182 WREN 3 FH

       UNFORMATTED CAPACITY (MB) ________________182
       FORMATTED CAPACITY (34 SECTORS) (MB) _____160
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________8,721
       CYLINDERS ________________________________969
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbytes/sec) _______________1.25
       INTERFACE ________________________________ESDI
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________19,058
       AVERAGE ACCESS (ms) ______________________16.5
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.4
                           +5V START-UP (amps) __1.4
                           +5V TYPICAL (amps) ___0.8
                           TYPICAL (watts) ______21
                           MAXIMUM (watts) ______61
       BUFFERED STEP PULSE RATE (micro sec) _____N/A
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       IBM AT DRIVE TYPE ________________________12 *

* MAY REQUIRE FORMATTING/PARTITIONING SOFTWARE

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