                         SEAGATE TECHNOLOGY, INC.
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     Customer Technical Support Bulletin Boards (300-9600, 8-N-1)
Ŀ
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                            (C)opyright 1993

ST-11200N SCSI-2 Fast (Hawk 1)

  ͻ
   REAR VIEW 
  ͼ

         50 pin I/O Cable Connection
         
    J11 /\    TOP (HDA)
     ͵:::::::::::::::::::::::::ͳ 0 0 0 0 
      ; 5GG12    BOTTOM
       1Ŀ 1Ŀ 1Ŀ
         
        Terminating Resistors



  ͻ
   RIGHT SIDE VIEW 
  ͼ


BACK   ͸       J2  12345678                    TOP (HDA)  FRONT
 OF    J1PWA OF
DRIVE  ;           ::::::::                    BOTTOM     DRIVE
                     
   Terminator Power ٳ Reserved
  ڴTerminator Power ٳ Start Delay (12 secs * ID)
        Factory Use ٳ Motor Start
      Parity Enable  Write Protect
  
  
   Ŀ
  Ĵ Termination Power-source Table 
    Ŀ
    ........PWA edge          
                                                  
      1 2     1 2      1 2                        
     ķ       ķ    ķ  A Drive Supplies Bus 
                B Drive Supplies Own 
                   C Bus Supplies Drive 
       A       B        C                         
    Default


  ͻ
   LEFT SIDE VIEW 
  ͼ             If these ID jumpers are used,
                                 then ID jumpers shown in front
                                 view ARE NOT USED.

  FRONT                TOP (HDA)                 J5 1 ͸BACK
   OF   PWA͵:::͵J1 OF
  DRIVE                BOTTOM                       ; ;DRIVE
                                                     
                   Note:  On early drives     ID 1 ٳ ID 4
                   with PCB# 75782395 or           ID 2
                   #75782485 ID jumpers are ID 4       ID 1
                   reversed.               



  ͻ
   FRONT VIEW 
  ͼ


                      TOP (HDA)   J6  1
     PWA͵::::::
                 *    BOTTOM          ;
                                      123456
            LED                      
                                  ID 4 ٳ Reserved
                                  ID 2 ٳ Remote LED (pin-3 +5v)
                                  ID 1  Spindle Synchronization
                                               (pin-6 REF SIG+)
      If these ID jumper are used, then
         ID jumpers shown in left side
         view ARE NOT USED.


                              ST - 11200N
                              Hawk 1

       UNFORMATTED CAPACITY (MB) ________________1,248
       FORMATTED CAPACITY (xx SECTORS) (MB) _____1,054
       AVERAGE SECTORS PER TRACK ________________73
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________28,080
       CYLINDERS ________________________________1,872 (user)
       HEADS ____________________________________15
       DISCS (3.5 in) ___________________________8
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec) _______23.2 to 40.6
       EXTERNAL TRANSFER RATE (mbyte/sec) _______4 Async
       EXTERNAL TRANSFER RATE (mbyte/sec) _______10 Sync
       SPINDLE SPEED (RPM) ______________________5,411
       AVERAGE LATENCY (mSEC) ___________________5.4
       BUFFER ___________________________________256 Kbyte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________SCSI-2 Fast
       BYTES PER TRACK __________________________41,660 avg.
       SECTORS PER DRIVE ________________________2,059,139
       TPI (TRACKS PER INCH) ____________________2,150
       AVERAGE ACCESS (ms) (read/write)__________10.5/11.2
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms) ___________________1.5/2.0
       MAX FULL SEEK (ms) _______________________20.0/21.0
       MTBF (power-on hours) ____________________200,000
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __0.5
                           +5V TYPICAL (amps) ___0.4
                           TYPICAL (watts) ______11
                           IDLE (watts) _________9
       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

Formatted at the factory with 12 spare sectors per cylinder
 and two spare cylinders at inner tracks per unit.

Seagate reserves the right to change, without notice, product
offerings or specifications. (08/09/94)

