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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                           (C)opyright 1991



ST-6515J (97150-500) FSD-515


                            ST-6515J
                       97150-500 FSD-515

      UNFORMATTED CAPACITY _____________________516
      FORMATTED CAPACITY (xx SECTORS) __________
      AVERAGE SECTORS PER TRACK (with spares)___
      ACTUATOR TYPE ____________________________
      TRACKS ___________________________________
      CYLINDERS ________________________________711
      HEADS ____________________________________24
      DISCS (9 in) _____________________________7
      MEDIA TYPE _______________________________OXIDE
      HEAD TYPE ________________________________THIN FILM
      RECORDING METHOD _________________________RLL (2,7)
      EXTERNAL TRANSFER RATE (mbytes/sec) ______1.80
      SPINDLE SPEED (RPM) ______________________3,600
      AVERAGE LATENCY (mSEC) ___________________8.33
      BUFFER ___________________________________
      INTERFACE ________________________________SMD E
      BYTES PER TRACK __________________________30,240
      SECTORS PER DRIVE ________________________
      BYTES PER CYLINDER _______________________302,400
      TPI (TRACKS PER INCH) ____________________960
      BPI (BITS PER INCH) ______________________9,167-15,040
      AREAL DENSITY (MBits/sq in) ______________14.6
      AVERAGE ACCESS (ms) ______________________18
      SINGLE TRACK SEEK (ms) ___________________5
      MAX FULL SEEK (ms) _______________________40
      MTBF (power-on hours) Class A Room _______
      MTBF (power-on hours) Office _____________30,000
      POWER DISSIPATION (watts) ________________225
      USER MANUAL PART NUMBER __________________83327120
      THEORY/MAINT. MANUAL PART NUMBER _________83327340
      DIAGRAMS MANUAL PART NUMBER ______________83327020
      PARTS MANUAL PART NUMBER _________________83327110
      OTHER ____________________________________Dual Access,
       Sweep Cycle Capability, Remote/Integral Power Supply

      Physical:
                       Height (inches/mm):     10.20/259
                       Width  (inches/mm):     8.50/216
                       Depth  (inches/mm):     30.0/757
                       Weight    (lbs/kg):     82/36.4


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