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                         SEAGATE TECHNOLOGY, INC.
       Customer Technical Support FAX Network +1 408 438-8137
     Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
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Ё United States    +1 408 438-8771 Ё  United Kingdom +44 628 478011  Ё
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                            (C)opyright 1991



ST-1150R (94355-150) Swift ST412 RLL

     зддд\
     Ё O Ё  5
     Ё O Ё  G
     Ё O Ё  G                                          зддд Located on rear
     Ё O Ё 12                                          Ё     side of drive
     юддд/          з Controller Cable                 Ё
     мммммммм мм   ммммммммммммммм мм            здддддаддддд©
      юData Cable    здддддддддд©   1             o o o o o o
                     1дддддддддды                 o o o o o o   (front)
                      Terminator                  1 2 3 4 R Ext
                                                  дддбддд Ё Ё
                                                     Ё    Ё Ё
                                                     Ё    Ё Ё
                                                     Ё    Ё Ё
                                                     Ё    Ё Ё
                                Drive Selects  дддддды    Ё Ё
                                Radial Select дддддддддддды Ё
                                External spindle clock  дддды

                             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
       SPINDLE SPEED (RPM) ______________________3,600
       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

                                  здддбддд©
                                  Ё A Ё B Ё    B = Anode
                                  цдддеддд╢    D = Cathode
                                  Ё C Ё D Ё
              ...мммммммммммммммммомммомммомммммPмWмAммм...


        Ь Default jumper at C-D for LED mounted on drive PWA
        Ь To use remote LED, remove jumper and extend B (Anode)
          and D (Cathode).
        Ь Swift LED kit 75912397 allows connection to a remote LED
        Ь 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)

>
A fax bulletin from Seagate Technology with specs and diagrams on various components of its hard drive products. seagate technical support bulletin about st1150r hard drive swift rll controller interface SEAGATE TECHNOLOGY, INC.
       Customer Technical Support FAX Network +1 408 438-8137
     Customer Technical Support Bulletin Boards (300-9600, 8-N-1)


Seagate reserves ST-1150R 94355-150 Swift ST412 RLL hard drive specs - capacity, speed, etc.