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


ST-52160WC Ultra-SCSI Wide (Medalist Pro 2160WC)

  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º REAR VIEW º  (ST-52160WC only)
  ÈÍÍÍÍÍÍÍÍÍÍͼ
                     80 pin I/O and DC Power Wall/bracket Connection
                     ³  Female
    J1          /ÄÄÄijÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ\      TOP (HDA)
     ÍÍÍÍÍÍÍÍÍÍ/ ×××××××××××××××××××× \ÍÍÍÍÍÍÍÍÍÍ
              (\Ä1ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ40/)    BOTTOM

     Notes on 80 pin I/O connector:
       pins  1 -  4 = +12v        41 - 44 = 12v GND
            34 - 36 = +5v         74 - 76 = 5v GND
                 37 = SYNC             77 = LEDC
                 38 = MTRON            78 = DLYDST
                 39 = SCSIA0           79 = SCSIA1
                 40 = SCSIA2           80 = SCSIA3

  Mating WC connector: AMP US p/n: 787311-1 straight-in, Male 80-pin


ST-52160WC
 ÉÍÍÍÍÍÍÍÍÍÍÍÍÍÍ»
 º  Front View  º                 J5
 ÈÍÍÍÍÍÍÍÍÍÍÍÍÍͼ               Option Block

  (TOP)        ÚÄÄÄÄÄÄÄÄÄÄÄ SCSI ID's (Default ID3, none for ID0)
             ÚÄÁÄÄÄ¿ ÚÄÄÄÄÄ Parity Enable
             1 2 4 8 ³
            2o o o o o o o
           Í1o o o o o o o ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPWAÍÍÍÍÍÍÍÍÍÍ
                       ³ ³
  (BOTTOM)             ³ ÀÄ Remote LED (13-,14+)
                       ÀÄÄÄ Remote Start Enable

Termination: Termination is not provided on the ST52160WC. You
must provide your own external termination as required. Termination
power is not provided to the SCSI bus.

                        

                             ST-52160WC
                        Medalist Pro 2160WC
 

       FORMATTED CAPACITY (MB) __________________2170
       SECTORS PER TRACK ________________________161 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       CYLINDERS __PHYSICAL______________________6,536 user
       HEADS ______PHYSICAL______________________4
       DISCS (3.5 in) ___________________________2
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________MR FILM
       RECORDING METHOD _________________________ZBR PRML (0,4,4)
       INTERNAL TRANSFER RATE (Mbits/sec) _______56.3 to 99.6
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______20 Async/40 Sync
       SPINDLE SPEED (RPM) ______________________5,397
       AVERAGE LATENCY (mSEC) ___________________5.56
       BUFFER ___________________________________256 Kbyte
        Read/Write, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________Ultra-SCSI-3
       SECTORS PER DRIVE ________________________4,238,282
       TPI (TRACKS PER INCH) ____________________6,731
       BPI (BITS PER INCH) ______________________122,369
       AVERAGE SEEK (ms read/write) _____________12/13
       SINGLE TRACK SEEK (ms) ___________________3.5
       MAX FULL SEEK (ms) _______________________25
       MTBF (power-on hours) Office _____________500,000
       SHOCK (G's):
                operating (Read/Write) __________2
                nonoperating ____________________
       ACOUSTICS (dBa) idle/max _________________30/34
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _1.9
       POWER MANAGEMENT (Watts):
                           ACTIVE _______________8.2
                           IDLE _________________8.0
                           STANDBY ______________4.8
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO
       IBM AT DRIVE TYPE ________________________0

       Physical:
                      Height (inches/mm):    0.748/19
                      Width  (inches/mm):     4.01/101.8
                      Depth  (inches/mm):     5.38/136.6
                      Weight     (lbs/g):    0.750/340.2


ZBR = Zone Bit Recording = Variable sectors per track

Already low-level formatted at the factory with 2,000 spare blocks at
the end of the volume.



Seagate reserves the right to change, without notice, product 
offerings or specifications. (09/02/97)