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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� United States    +1 408 438-8771 �  United Kingdom +44 628 478011  �
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� Germany         +49  89 140-9331 �  Singapore      +65   227-2217  �
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                           (C)opyright 1991



ST-8851J (97200-850) Sabre 4


                            ST-8851J
                      97200-850 Sabre 4

      UNFORMATTED CAPACITY _____________________851
      FORMATTED CAPACITY (xx SECTORS) __________
      AVERAGE SECTORS PER TRACK (with spares)___
      ACTUATOR TYPE ____________________________STRAIGHT ARM
      TRACKS ___________________________________
      CYLINDERS ________________________________1,381
      HEADS ____________________________________15
      DISCS (8 in) _____________________________9
      MEDIA TYPE _______________________________OXIDE
      HEAD TYPE ________________________________THIN FILM
      RECORDING METHOD _________________________RLL (2,7)
      EXTERNAL TRANSFER RATE (mbytes/sec) ______2.46
      SPINDLE SPEED (RPM) ______________________3,600
      AVERAGE LATENCY (mSEC) ___________________8.33
      BUFFER ___________________________________
      INTERFACE ________________________________SMD O/E
      BYTES PER TRACK __________________________41,088
      SECTORS PER DRIVE ________________________
      BYTES PER CYLINDER _______________________616,320
      TPI (TRACKS PER INCH) ____________________1,089
      BPI (BITS PER INCH) ______________________13,387-19,816
      AREAL DENSITY (MBits/sq in) ______________21.6
      AVERAGE ACCESS (ms) ______________________15
      SINGLE TRACK SEEK (ms) ___________________4
      MAX FULL SEEK (ms) _______________________30
      MTBF (power-on hours) Class A Room _______100,000
      MTBF (power-on hours) Office _____________100,000
      POWER DISSIPATION (watts/BTU) ____________95/324.2
      POWER REQUIREMENTS:
                          TYPICAL (watts) ______
                          MAXIMUM (watts) ______
      USER MANUAL PART NUMBER __________________83325710
      PARTS MANUAL PART NUMBER _________________83325700
      MAINT. MANUAL PART NUMBER ________________83325720
      THEORY MANUAL PART NUMBER ________________83325690
      DIAGRAMS MANUAL PART NUMBER ______________83325730
      OTHER ____________________________________Dual Access,
       Sweep Cycle Capability

      Physical:
                       Height (inches/mm):     4.75/120.65
                       Width  (inches/mm):     8.50/216
                       Depth  (inches/mm):     14.7/373.38
                       Weight    (lbs/kg):     32/15


Seagate reserves the right to change, without notice, product
offerings or specifications. (10/23/91)


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