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



ST-15150FC Fibre Channel FC-AL, Dual Port (Barracuda 4)

  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º REAR VIEW º  ST-15150FC
  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-15150FC)
  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)

  ST15150FC 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-15150FC


       UNFORMATTED CAPACITY (MB) ________________5062
       FORMATTED CAPACITY (xx SECTORS) (MB) _____4294
       AVERAGE SECTORS PER TRACK ________________107 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________77,931
       CYLINDERS ________________________________3,711 user
       HEADS ______PHYSICAL______________________21
       DISCS (3.5 in) ___________________________11
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________ZBR RLL (1,7)
       INTERNAL TRANSFER RATE (mbits/sec)________47.4 to 71.9
       EXTERNAL TRANSFER RATE (mbyte/sec) _______106.3 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER ___________________________________1024 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________FC-AL
                                                 ASA II
       BYTES PER TRACK __________________________64,773 average
       SECTORS PER DRIVE ________________________8,388,315
       TPI (TRACKS PER INCH) ____________________4,048
       BPI (BITS PER INCH) ______________________73,820
       AVERAGE ACCESS (ms) (read/write)__________8.0/9.0
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms) ___________________0.6/0.9
       MAX FULL SEEK (ms) _______________________17/19
       MTBF (power-on hours) ____________________800,000
       SHOCK (G's):
                operating (Read/Write) __________2
                nonoperating ____________________50
       ACOUSTICS (typ/max dBA) __________________4.7/
       POWER DISSIPATION (watts/BTUs) Active ____15/51
                                      Idle ______12/41
       POWER REQUIREMENTS: +12V START-UP (amps) _2.18
                           +12V TYPICAL (amps) __0.83 idle
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.76 idle
                           IDLE (watts) _________14
       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):     5.97/151.6
                        Weight    (lbs/kg):     2.3/1.04

Already low-level formatted at the factory with 9 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. (12/13/96)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/fibre_channel/st15150f.txt.