SEAGATE TECHNOLOGY, INC.
Technical Support Bulletin Board
408/438-8771  [300-9600 HST, MNP 3/5, N-8-1]
(C)opyright  1990

Swift ST-506            ST-1150R (94355-150)
     ЪДДД\
     і O і  5
     і O і  G
     і O і  G          1 Terminator             ЪДДД Located on side
     і O і 12          ЪДДДДДДДДДДї       ЪДДДДДБДДДДДї
     АДДД/             АДДДДДДДДДДЩ        o o o o o o
     НННННННН НН   ННННННННННННННН НН      o o o o o o
      АData Cable    АController Cable     1 2 3 4 R Ext
                                           ДДДВДДД і і
                                              і    і і
                                              і    і і
                         Drive Selects  ДДДДДДЩ    і і
                         Radial Select ДДДДДДДДДДДДЩ і
                         External spindle clock  ДДДДЩ

                             ST-1150R
                          94355-150 Swift

       UNFORMATTED CAPACITY (MB) ________________150
       FORMATTED CAPACITY (26 SECTORS) (MB) _____128
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________9,648
       CYLINDERS ________________________________1,072
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL
       TRANSFER RATE (mbits/sec) ________________7.5
       INTERFACE ________________________________ST412
       TPI (TRACKS PER INCH) ____________________1,350
       BPI (BITS PER INCH) ______________________21,030
       AVERAGE ACCESS (ms) ______________________15
       SINGLE TRACK SEEK (ms) ___________________4
       MTBF (power-on hours) ____________________150,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.5
                           +12V TYPICAL (amps) __0.7
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______10
                           MAXIMUM (watts) ______12
       BUFFERED STEP PULSE RATE (micro sec) _____6-200
       WRITE PRECOMP (cyl) ______________________300
       REDUCED WRITE CURRENT (cyl) ______________N/A (1073)
       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.


                          Swift Remote LED Option

               Front View of Drive Without the Plastic Bezel

                                  ЪДДДВДДДї
                                  і A і B і    B = Anode
                                  ГДДДЕДДДґ    D = Cathode
                                  і C і D і
              ...НННННННННННННННННПНННПНННПНННННPНWНAННН...


        ш Default jumper at C-D for LED mounted on drive PWA
        ш To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
        ш Swift LED kit 75912397 allows connection to a remote LED
        ш Swift LED kit 95913369 has an LED for attachment to the
          system front bezel or a 5.25-inch frame kit

Seagate reserves the right to change, without notice, product
offerings or specifications. (6/26/90)
