SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1995



ST-31051N SCSI-2 Fast (Hawk 2XL)

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  º REAR VIEW º  (ST-31051N)
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         50 pin I/O Cable Connection
         ³
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     ͵:::::::::::::::::::::::::Æͳ 0 0 0 0 ³ÍÍ
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  º RIGHT SIDE VIEW º  (ST-31051N)
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DRIVE  Ô;           ::::::::                    BOTTOM     DRIVE
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   ³Terminator Power Ù³³³³³³À Enable T-Res
  Ú´Terminator Power ÄÙ³³³³ÀÄ Start Delay (12 secs * ID)
  ³         Reserved ÄÄÙ³³ÀÄÄ Motor Start
  ³   Parity Disable ÄÄÄÙÀÄÄÄ Write Protect
  ³
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    ³                                              ³
    ³  1 2     1 2      1 2                        ³
    ³ ÖÄ·       ÖÄ·    ÖÄÄÄ·  A Drive Supplies Bus ³
    ³ ºøºø     øºøº    ÓøÄø½  B Drive Supplies Own ³
    ³ Óø½ø     øÓø½     ø ø   C Bus Supplies Drive ³
    ³   A       B        C                         ³
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  º FRONT VIEW º  (ST-31051N)
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                                  ÚÄÄ´Reserved. Shipped with cover installed.
                                  ³  ÀDo not remove. Do not install jumpers
                      TOP (HDA)  ÕØÍÍ͸     1
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                 *    BOTTOM     ÔÍÍÍ;123456
                 ³               J6    ³³³³³³
            LED ÄÙ                     ³³³³³³
                            Remote LED Ù³³³³À ID 1
                           (pin-11 +5v) ³³³ÀÄ ID 2
                              Reserved ÄÁÙÀÄÄ ID 4


                            ST-31051N


       FORMATTED CAPACITY (MB) __________________1060
       AVERAGE SECTORS PER TRACK ________________123 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________16,704
       CYLINDERS ________________________________4,176 user
       HEADS ______PHYSICAL______________________4
       DISCS (3.5 in) ___________________________2
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL (0,4,4)
       INTERNAL TRANSFER RATE (mbits/sec)________44 to 66
       EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
       SPINDLE SPEED (RPM) ______________________5,411
       AVERAGE LATENCY (mSEC) ___________________5.54
       BUFFER ___________________________________256 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast
                                                 ASA II
       BYTES PER TRACK (avg) ____________________75,900
       SECTORS PER DRIVE ________________________
       TPI (TRACKS PER INCH) ____________________4800
       BPI (BITS PER INCH) ______________________
       AVERAGE ACCESS (ms) (read/write)__________10.4/11.4
        With controller overhead
       SINGLE TRACK SEEK (ms) ___________________2.7
       MAX FULL SEEK (ms) _______________________20.4
       MTBF (power-on hours) ____________________800,000
       POWER REQUIREMENTS: +12V START-UP (amps) _1.8
                           +12V TYPICAL (amps) __0.34 idle
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.32 idle
                           IDLE (watts) _________
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):        1/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146.1
                        Weight    (lbs/kg):      1.5/0.68

Already low-level formatted at the factory with 5 spare sectors
per cylinder and 2 spare cylinder per unit.

ZBR = Zone Bit Recording = Variable sectors per track

Seagate reserves the right to change, without notice, product 
offerings or specifications. (05/20/96)