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                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1991



ST-2502N (94241-502) Wren 6 HH SCSI and SCSI-2

                            SCSI Cable                   Power
                         ÕÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͸   /ÄÄÄÄÄÄÄÄÄ\
   ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵:::::::::::::::::::::::1ÆÍÍ͵ 0 0 0 0 ÆÍÍÍÍ
    o o o o o o o o o o  ÔÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ;   ÀÄ5ÄGÄGÄ12Ù
    o o o o o o o o oÄoÄ¿  ÚÄÄÄÄÄ1 ÚÄÄÄÄÄ1 ÚÄÄÄÄÄ1
    R R R P M 4 2 1 ³ ³ ³  ÀÄÄÄÄÄÙ ÀÄÄÄÄÄÙ ÀÄÄÄÄÄÙ
    ÄÄÂÄÄ ³ ³ ÄÄÂÄÄ ³ ³ ³    Terminator SIPS
      ³   ³ ³   ³   ³ ³ ³
      ³   ³ ³   ³   ³ ³ ÀÄ Terminator power +5v from the Bus (lower horizontal)
      ³   ³ ³   ³   ³ ÀÄÄÄ Terminator power +5v from Drive (vertical)
      ³   ³ ³   ³   ÀÄÄÄÄÄ Terminator power +5v to the Bus (vertical)
      ³   ³ ³   ÀÄÄÄÄÄÄÄÄÄ Drive Select ID's
      ³   ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄ Motor Start option enable
      ³   ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Parity check enable
      ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ Reserved Factory use


                             ST-2502N
                        94241-502 WREN 6 HH

       UNFORMATTED CAPACITY (MB) ________________502
       FORMATTED CAPACITY (xx SECTORS) (MB) _____435
       AVERAGE SECTORS PER TRACK ________________69
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________12285
       CYLINDERS ________________________________1755
       HEADS ____________________________________7
       DISCS ____________________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (2,7)
       TRANSFER RATE (mbytes/sec) _______________1.875-2.75
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       BUFFER ___________________________________64 Kbyte
         SCSI-1: Read Look-Ahead, Non-Adaptive,
          Single-Segmented Buffer
         SCSI-2: Read Look-Ahead, Adaptive,
          Multi-Segmented Cache
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________1459
       BPI (BITS PER INCH) ______________________31674
       AVERAGE ACCESS (ms) ______________________16
       SINGLE TRACK SEEK (ms) ___________________3
       MAX FULL SEEK (ms) _______________________33
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.0
                           +12V TYPICAL (amps) __1.0
                           +5V START-UP (amps) __0.75
                           +5V TYPICAL (amps) ___0.65
                           TYPICAL (watts) ______16
                           MAXIMUM (watts) ______58
       BUFFERED STEP PULSE RATE (micro sec) _____
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

Already low-level formatted at the factory.
ZBR = Zone Bit Recording = Variable sectors per track

Seagate reserves the right to change, without notice, product 
offerings or specifications. (6/26/90)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st2502n.txt.