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



ST-31060N SCSI-2 FAST, (Barbados CFP1060S) 

  ͻ
   REAR VIEW 
  ͼ

                  50 pin I/O Cable Connection J2
                  
                 ͸ /\    TOP (HDA)
             ͵::::::::::::::::::::::::1ͳ 0 0 0 0 
             J1; 5GG12    BOTTOM
                TRes1    TRes1
                    
                          oo             o o    Parity Disable
                                         o o    Delay Spin
               Term Power               o o    Disable Spin
      Closed = Power from drive           o o    Reserved
        Open = Power from interface       o o    ID 4
                                          o o    ID 2
                                          o o    ID 1
                                             J7      ID 0 = no ID jumpers
                                                     (front)

  ͻ
   REAR VIEW   (ST-31060NC only, see adapter note below)
  ͼ
                     80 pin I/O and DC Power Wall/bracket Connection
                     
    J1          /ĳ\      TOP (HDA)
     /  \
              (\140/)    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


    ST-31060N only
  ͻ
    Front View  
  ͼ
                Disable Spin
                 Reserved
                    SCSI ID's (none for ID0)
  (TOP)            
                 Ŀ          J3
                 4 2 1
               o o o o o    o o o o o   o o
              o o o o o   o o o o   o o PWA
                                 
  (BOTTOM)      J6                      Spindle Synch
                                       LED Driver
                                 Reserved
                             pin removed


                            ST-31060N Barbados


       FORMATTED CAPACITY (MB) __________________1062.44
       AVERAGE SECTORS PER TRACK ________________94 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________22,056
       CYLINDERS ________________________________2757 user
       HEADS ______PHYSICAL______________________8
       DISCS (3.5 in) ___________________________4
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec)________31 to 55
       EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
       SPINDLE SPEED (RPM) ______________________5,400
       AVERAGE LATENCY (mSEC) ___________________5.55
       BUFFER ___________________________________512 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast
       BYTES PER TRACK (avg) ____________________
       SECTORS PER DRIVE ________________________
       TPI (TRACKS PER INCH) ____________________3147
       BPI (BITS PER INCH) ______________________65,131
       AVERAGE ACCESS (ms) (read/write)__________9.0/9.5
       SINGLE TRACK SEEK (ms) ___________________2
       MAX FULL SEEK (ms) _______________________16
       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) _1.7
                           +12V TYPICAL (amps) __.3
                           +5V START-UP (amps) __.775
                           +5V TYPICAL (amps) ___.6
                           IDLE (watts) _________6.6
       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

  ͻ
    Adapter    (A small quantity of drives shipped with adapters.)
  ͼ

             50 pin I/O Cable Connection
             
            ͸ /\
    ͵::::::::::::::::::::::::1ͳ 0 0 0 0 ͻ
     J3  ; 5GG12   
      TRes1TRes1TRes1   Ŀ 
         Jumpers  Ŀ
     J2         /\   
    /  \ͼ 
                (\140/)            
                                                      
             80 pin I/O and DC Power                  
                                                      
                                                      
           (Horizontal style)  
                                          
                    DS                    
            o o o o o o                   
            o o o o o o                   
            x 4 2 1   RS               (Vertical style)
                
                     Remote Start  RS  o o
                                       1  o o
                SCSI ID's (none Ĵ  2  o o
                    for ID0)            4  o o
             Not used  x  o o
                    Delayed Start  DS  o o



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offerings or specifications. (07/31/97)

