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

ST-51080N Fast SCSI-2 (Medalist 1080sl SCSI, formerly Decathlon family)

  ͻ
   REAR VIEW 
  ͼ

                  50 pin I/O Cable Connection
                  
                 ͸ /\    TOP (HDA)
           ͵::::::::::::::::::::::::1ͳ 0 0 0 0 
             J1; 5GG12    BOTTOM


ST-51080N

 ͻ
   Front View  
 ͼ

                    SCSI ID's (Default ID3, none for ID0)
                       Reserved
  (TOP)                 Remote LED (9-,10+)
                 Ŀ    Reserved
                 4 2 1            22         34
  J8             o o o o o o   o o o o-o o o-o o-o
Option Block   1o o o o o o o o o o o-o o o o o oPWA
                   * *         *   
  (BOTTOM)                                Reserved
            pin-14 removed        Terminator power
                                                   see detail below  Ŀ
                                   Terminator disable     
                                  Parity Enable (default)
                                 Remote Start           
                               Spare jumpers stored on pins 28-30, 32-34    
            Terminator Power (4 settings) 

        22    24    1.  23 & 24  Power from drive power connector
          o--o      2.  21 & 23  Power from SCSI bus
                    3.  21 & 23  Power from drive power connector and
          o--o          22 & 24  to SCSI bus (default, 2 jumpers)
        21    23    4.  22 & 24  Power to SCSI bus only              
                        

                             ST-51080N
                             Medalist 1080sl SCSI 
 

       FORMATTED CAPACITY (MB) __________________1080.23
       SECTORS PER TRACK ________________________109 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       CYLINDERS __PHYSICAL______________________4,826 user
       HEADS ______PHYSICAL______________________4
       DISCS (3.5 in) ___________________________2
       MEDIA TYPE _______________________________THIN FILM
       HEAD TYPE ________________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (Mbits/sec) _______33 to 65
       EXTERNAL TRANSFER RATE (Mbytes/sec) ______5 Async/10 Sync
       SPINDLE SPEED (RPM) ______________________5,376
       AVERAGE LATENCY (mSEC) ___________________5.6
       BUFFER ___________________________________128 Kbyte SeaCache
        Read/Write, Read Look-Ahead,
        Multi-Segmented
       INTERFACE ________________________________SCSI-2 Fast
       SECTORS PER DRIVE ________________________2,109,840
       TPI (TRACKS PER INCH) ____________________4,923
       BPI (BITS PER INCH) ______________________73,344
       AVERAGE SEEK (ms) ________________________12.5
       SINGLE TRACK SEEK (ms) ___________________3.5
       MAX FULL SEEK (ms) _______________________25
       MTBF (power-on hours) Office _____________300,000
       SHOCK (G's):
                operating (Read/Write) __________2
                nonoperating ____________________
       ACOUSTICS (dBa) idle/max _________________30/34
       POWER DISSIPATION (watts) ________________
       POWER REQUIREMENTS: +12V START-UP (amps) _1.32
                           +12V TYPICAL (amps) __0.219 idle
                           +5V START-UP (amps) __
                           +5V TYPICAL (amps) ___0.471 idle
       POWER MANAGEMENT (Watts):
                           SPINUP _______________8.95
                           ACTIVE _______________7.11
                           IDLE _________________4.99
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO
       IBM AT DRIVE TYPE ________________________0

       Physical:
                        Height (inches/mm):     0.75/19
                        Width  (inches/mm):     4.02/102.1
                        Depth  (inches/mm):        5/127
                        Weight     (lbs/g):    0.750/340.2


ZBR = Zone Bit Recording = Variable sectors per track

Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product 
offerings or specifications. (01/11/98)

