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


ST-19171FC Fibre Channel FC-AL, Dual Port (Barracuda 9)

  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º REAR VIEW º  ST-19171FC
  ÈÍÍÍÍÍÍÍÍÍÍͼ
       40 pin I/O and DC Power Wall/bracket Connection
                     ³  Female
    J1          /ÄÄÄijÄÄÄÄÄÄÄÄÄ\      TOP (HDA)
     ÍÍÍÍÍÍÍÍÍÍ/ ×××××××××××××× \ÍÍÍÍÍÍÍÍÍÍ
              (\Ä1ÄÄÄÄÄÄÄÄÄÄÄÄ20/)    BOTTOM

     Notes on 40 pin I/O connector:
            +12v  =  pins  2, 3, 4, 21
            +5v   =  pins  19, 20, 40
            GND   =  pins  6, 22, 23, 26, 29, 32, 35

  Mating FC connector: AMP US p/n: 787317-1 straight-in, Male 40-pin


  ÉÍÍÍÍÍÍÍÍÍÍÍÍ»
  º FRONT VIEW º  (ST-19171FC)
  ÈÍÍÍÍÍÍÍÍÍÍÍͼ

Reserved. Shipped with cover installed.
Do not remove. Do not install jumpers
                                  ³     ÚÂÄÄÄÄ Reserved
                                  ³     ³³ÚÄÄÄ Fault LED
                                  ³     ³³³ÚÄÄ Port B Bypass LED
                                  ³     ³³³³ÚÄ Port A Bypass LED
                      TOP (HDA)  ÕØÍÍ͸ ³³³³1
     ÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵::::³::::::ÆÍÍ
                 *    BOTTOM     ÔÍÍÍ;³³³ÀÅÙ
                 ³               J6    ³³³ ÀÄÄ Ground
            LED ÄÙ                     ³³ÀÄÄÄÄ Active LED
                                       ³ÀÄÄÄÄÄ Ground
                                       ÀÄÄÄÄÄÄ Remote LED (pin-11 +5v)

  ST19171FC drives have two ports for connection to two
  independent loops.  Both loops may be active, but only
  one of these ports may be receiving or originating data
  at any one time.  Do not connect both ports to the same
  loop.

                            ST-19171FC


       UNFORMATTED CAPACITY (MB) ________________11700
       FORMATTED CAPACITY (MB) __________________9100
       AVERAGE SECTORS PER TRACK ________________168 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________105,480
       CYLINDERS ________________________________5,274 user
       HEADS ______PHYSICAL______________________20
       DISCS (3.5 in) ___________________________11
       MEDIA TYPE _______________________________THIN FILM/MR
       RECORDING METHOD _________________________PRML (0,4,4) ZBR
       INTERNAL TRANSFER RATE (mbits/sec)________80 to 124
       EXTERNAL TRANSFER RATE (mbyte/sec) _______106.3 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER (/optional)________________________1024 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________FC-AL 
         Fibre Channel - Arbitrated Loop, ASA II
       BYTES PER TRACK __________________________
       SECTORS PER DRIVE ________________________17,773,440
       TPI (TRACKS PER INCH) ____________________5555
       BPI (BITS PER INCH) ______________________
       AVERAGE ACCESS (ms) (read/write)__________9.7/10.7
         Drive level with controller overhead
       SINGLE TRACK SEEK (ms) ___________________0.8/1.3
       MAX FULL SEEK (ms) _______________________19.2/20.2
       MTBF (power-on hours) ____________________1,000,000
       SHOCK (G's, 11/2 ms):
                operating (Read/Write) __________2
                abnormal ________________________10
                nonoperating ____________________50/100
       ACOUSTICS (Bels typical, sound power) ____
       POWER DISSIPATION (watts/BTUs) Active ____18.3/62
                                      Idle ______16.7/57

       POWER REQUIREMENTS: +12V START-UP (amps) _2.2
                           +12V TYPICAL (amps) __0.8 idle
                           +5V START-UP (amps) __
                           +5V TYPICAL (amps) ___0.97 idle
                           IDLE (watts) _________12.4
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):     1.63/41.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146.1
                        Weight    (lbs/kg):     2.3/1.04

Already low-level formatted at the factory with 16 spare sectors
per cylinder and 1 spare cylinder per unit.

ZBR = Zone Bit Recording = Variable sectors per track


Seagate reserves the right to change, without notice, product 
offerings or specifications. (01/14/98)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/fibre_channel/st19171f.txt.