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Barracuda 4LP

Capacity:
Speed:
Average Seek Time:
 

2.16 GB
7200 rpm
9.4 ms


Installation Guide | Product Manual

 

Odd characters? Click here for help. A version of this specification with the linedraw characters approximated by text is available by clicking here.

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


ST-32171W/WC Ultra-SCSI Wide (Barracuda 4LP)

  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º REAR VIEW º  (ST-32171W only)
  ÈÍÍÍÍÍÍÍÍÍÍͼ
        (TOP)                   Auxiliary
          ___________________  ÚÄÄ  Ä1¿/ÍÍÍÍÍÍÍÍÍ\
        Í( ×××××××××××××××××1)ͳ::::::³³ 0 0 0 0 ÆÍ
          \ÄÄÄÄÄÄÄÄÄÄÄijÄÄÄÄ/  À  ÄÄ  ÙÀÄ5ÄGÄGÄ12Ù
       68 pin I/O CableÙ        ³³³³³³
       Connection Male          ³³³³³³
                                ³³³³³³
                                ³³³³³³
        Auxiliary option header ³³³³³³
           pin-11 +5v  ÄÄÄÄÄÄÄÄÄÙ³³³³³
           pin-10 GND  ÄÄÄÄÄÄÄÄÄÄÙ³³³³
           SCSI ID = 8 ÄÄÄÄÄÄÄÄÄÄÄÙ³³³
           SCSI ID = 4 ÄÄÄÄÄÄÄÄÄÄÄÄ´³³
            or pin-6 REFIND+ ÄÄÄÄÄÄÙ³³
           SCSI ID = 2 ÄÄÄÄÄÄÄÄÄÄÄÄÄÙ³
           SCSI ID = 1 ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
           SCSI ID = 0 (none)


  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º REAR VIEW º  (ST-32171WC only)
  ÈÍÍÍÍÍÍÍÍÍÍͼ
                     80 pin I/O and DC Power Wall/bracket Connection
                     ³  Female
    J1          /ÄÄÄijÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ\      TOP (HDA)
     ÍÍÍÍÍÍÍÍÍÍ/ ×××××××××××××××××××× \ÍÍÍÍÍÍÍÍÍÍ
              (\Ä1ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ40/)    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

  Mating NC connector: AMP US p/n: 2-557103-1 straight-in, Male 80-pin
                                   2-557101-1 right angle to PCB

  ÉÍÍÍÍÍÍÍÍÍÍÍ»
  º SIDE VIEW º  (ST-32171W/WC)
  ÈÍÍÍÍÍÍÍÍÍÍͼ

    FRONT    TOP (HDA)    J2  87654321              Õ͸
     OF ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍPÍWÍAÍÍÍÍÍ͵J1
    DRIVE    BOTTOM           ::::::::              Ô;
                              ³³³³³³³³
  Enable T-Res (W model only) Ù³³³³³³À Terminator Power³
   Start Delay (12 secs * ID) ÄÙ³³³³ÀÄ Terminator Powerÿ
                  Motor Start ÄÄÙ³³ÀÄÄ Reserved         ³
                Write Protect ÄÄÄÙÀÄÄÄ Parity Disable   ³
                                                        ³
    ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ¿                  ³
    ³ Termination Power-source Table ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ
    ÃÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÁÄÄÄÄÄÄÄÄÄÄÄÄÄ¿
    ³          ÍÍÍÍÍ....ÍÍÍÍÍ....ÍÍÍÍÍPWA edgeÍÍÍÍͳ
    ³                       2 1       2 1     2 1  ³
    ³ A Drive Supplies Bus   ÖÄ·     ÖÄ·           ³
    ³ B Drive Supplies Own  øºøº     ºøºø    ÖøÄø· ³
    ³ C Bus Supplies Drive  øÓø½     Óø½ø    ÓøÄø½ ³
    ³ A+B is valid           A         B       C   ³
    ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄDefaultÄÄÄÄÄÄÄÄÄÙ
    (not used on WC model)
    Note: WD drives do not have internal terminators or any other
          way of adding internal terminators to the drive; use
          external active termination if required.


  ÉÍÍÍÍÍÍÍÍÍÍÍÍ»
  º FRONT VIEW º  (ST-32171W/WC)
  ÈÍÍÍÍÍÍÍÍÍÍÍͼ
                                  ÚÄÄ´Reserved. Shipped with cover installed.
                                  ³  ÀDo not remove. Do not install jumpers
                      TOP (HDA)  ÕØÍÍ͸     1
     ÍÍPÍWÍAÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ͵::::³::::::ÆÍÍ
                 *    BOTTOM     ÔÍÍÍ;123456
                 ³               J6    ³³³³³³
            LED ÄÙ                     ³³³³³³
                            Remote LED Ù³³³³À ID 1
                           (pin-11 +5v) ³³³ÀÄ ID 2
                              Reserved ÄÙ³ÀÄÄ ID 4
                                         ÀÄÄÄ ID 8


                            ST-32171W


       FORMATTED CAPACITY (GB) __________________2.16
       AVERAGE SECTORS PER TRACK ________________163 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________25,890
       CYLINDERS ________________________________5,178 user
       HEADS ______PHYSICAL______________________5
       DISCS (3.5 in) ___________________________3
       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) _______40 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER ___________________________________512 KByte
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________Ultra SCSI
                   ASA II, SCAM level 2
       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)____________9.4/10.4
         Drive level with controller overhead
       SINGLE TRACK SEEK (ms read/write) ________2.0/2.1
       MAX FULL SEEK (ms read/write) ____________17.5/18.5
       MTBF (power-on hours) ____________________1,000,000
       SHOCK (G's, 11/2 ms):
                operating (Read/Write) __________2
                abnormal ________________________10
                nonoperating ____________________75/100
       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) _2.00
                           +12V TYPICAL (amps) __0.52 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


Seagate reserves the right to change, without notice, product 
offerings or specifications. (07/28/97)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st32171w.txt.


 



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