SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1996



ST-31080N SCSI-2 FAST, (Antigua CFP1080S) 

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  º REAR VIEW º
  ÈÍÍÍÍÍÍÍÍÍÍͼ

                  50 pin I/O Cable Connection J2
                  ³
               ÕÍÍÍÍÍÍÍÍÍÍÍ  ÍÍÍÍÍÍÍÍÍÍÍ͸ /ÄÄÄÄÄÄÄÄÄ\    TOP (HDA)
             Í͵::::::::::::::::::::::::1Æͳ 0 0 0 0 ³ÍÍ
             J1ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ; ÀÄ5ÄGÄGÄ12Ù    BOTTOM
                ÚÄÄTResÄÄ1    ÚÄÄTResÄÄ1
                ÀÄÄÄÄÄÄÄÄÙ    ÀÄÄÄÄÄÄÄÄÙ
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                        ³                o o o o  J4 Options
            Term Power ÄÙ                ³ ³ ³ ³
   Closed = Power from drive             ³ ³ ³ ÀÄÄ Disable Spin
     Open = Power from interface         ³ ³ ÀÄÄÄÄ ID 4
                                         ³ ÀÄÄÄÄÄÄ ID 2
                                         ÀÄÄÄÄÄÄÄÄ ID 1
                                                   ID 0 no jumpers


    ST-31080N
  ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
  º  Front View  º
  ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ

                 ÚÄÄÄÄÄÄÄÄÄÄÄ Disable Spin
                 ³   ÚÄÄÄÄÄÄÄ SCSI ID's (none for ID0)
  (TOP)          ³   ³
                 ³ ÚÄÁÄ¿          J3
                 ³ 4 2 1
                 o o o o    o o o o o   o o
               Í o o o oÍÍÍ   o o o o   o o ÍÍÍÍÍÍÍÍPWAÍÍÍÍÍÍÍÍÍÍ
                            ³ ÀÄÄÂÄÄÙ   ³ ³
  (BOTTOM)      J6          ³    ³      ³ ÀÄÄ Spindle Synch
                            ³    ³      ÀÄÄÄÄ LED Driver
                            ³    ÀÄÄÄÄÄÄÄÄÄÄÄ Reserved
                            ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ pin removed



                            ST-31080N Antigua


       FORMATTED CAPACITY (MB) __________________1080
       AVERAGE SECTORS PER TRACK ________________96 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________21,948
       CYLINDERS ________________________________3658 user
       HEADS ______PHYSICAL______________________6
       DISCS (3.5 in) ___________________________3
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec)________31.5 to 55.7
       EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
       SPINDLE SPEED (RPM) ______________________5,400
       AVERAGE LATENCY (mSEC) ___________________5.55
       BUFFER ___________________________________256/512 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast
       BYTES PER TRACK (avg) ____________________
       SECTORS PER DRIVE ________________________
       TPI (TRACKS PER INCH) ____________________3849
       BPI (BITS PER INCH) ______________________64K
       AVERAGE ACCESS (ms) (read/write)__________11/11.5
       SINGLE TRACK SEEK (ms) ___________________3
       MAX FULL SEEK (ms) _______________________26
       MTBF (power-on hours) ____________________500,000
       SHOCK (G's):
                operating (Read/Write) __________5
                nonoperating ____________________75
       ACOUSTICS (typ/max dBA) __________________<43/
       POWER REQUIREMENTS: +12V START-UP (amps) _1.5
                           +12V TYPICAL (amps) __.2
                           +5V START-UP (amps) __.5
                           +5V TYPICAL (amps) ___.275
                           IDLE (watts) _________3.75
       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):      1.3/0.59

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

ZBR = Zone Bit Recording = Variable sectors per track


Seagate reserves the right to change, without notice, product 
offerings or specifications. (07/31/97)