                         SEAGATE TECHNOLOGY, INC.
                            (C)opyright 1996



ST-34371FC Fibre Channel FC-AL, Dual Port (Barracuda 4LP)

  ͻ
   REAR VIEW   ST-34371FC
  ͼ
       40 pin I/O and DC Power Wall/bracket Connection
                       Female
    J1          /ĳ\      TOP (HDA)
     /  \
              (\120/)    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


  ͻ
   FRONT VIEW   (ST-34371FC)
  ͼ

Reserved. Shipped with cover installed.
Do not remove. Do not install jumpers
                                        Reserved
                                        Fault LED
                                        Port B Bypass LED
                                        Port A Bypass LED
                      TOP (HDA)  ͸ 1
     PWA͵::::::::::
                 *    BOTTOM     ;
                                J6      Ground
            LED                       Active LED
                                        Ground
                                        Remote LED (pin-11 +5v)

  ST34371FC 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-34371FC


       FORMATTED CAPACITY (GB) __________________4.35
       AVERAGE SECTORS PER TRACK ________________165 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________51,780
       CYLINDERS ________________________________5,178 user
       HEADS ______PHYSICAL______________________10
       DISCS (3.5 in) ___________________________5
       MEDIA TYPE _______________________________THIN FILM/MR
       RECORDING METHOD _________________________ZBR PRML (0,4,4)
       INTERNAL TRANSFER RATE (mbits/sec)________80 to 122
       EXTERNAL TRANSFER RATE (mbyte/sec) _______100 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER ___________________________________512 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________FC-AL 
         Fibre Channel - Arbitrated Loop, ASA II
       BYTES PER TRACK __________________________102,500 average
       SECTORS PER DRIVE ________________________
       TPI (TRACKS PER INCH) ____________________5,555
       BPI (PEAK KBITS PER INCH) ________________123
       AVERAGE ACCESS (ms read/write)____________9.2/10.2
         Drive level with controller overhead
       SINGLE TRACK SEEK (ms read/write) ________1.9/2.2
       MAX FULL SEEK (ms) _______________________17.2/18.2
       MTBF (power-on hours) ____________________1,000,000
       SHOCK (G's):
                operating (Read/Write) __________2
                abnormal ________________________10
                nonoperating ____________________75
       ACOUSTICS (Bels typical, sound power) ____4.2
       POWER DISSIPATION (watts/BTUs) Active ____12.9/44
                                      Idle ______8.8/30
       POWER REQUIREMENTS: +12V START-UP (amps) _2.44
                           +12V TYPICAL (amps) __0.54 idle
                           +5V START-UP (amps) __0.78
                           +5V TYPICAL (amps) ___0.46 idle
                           IDLE (watts) _________10
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):      1.0/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.47/146
                        Weight    (lbs/kg):      1.5/0.68

Already low-level formatted at the factory with 80 spare sectors at
the end of each 8 cylinder region.  

ZBR = Zone Bit Recording = Variable sectors per track

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Seagate reserves the right to change, without notice, product
offerings or specifications. (12/11/96)

