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                         SEAGATE TECHNOLOGY, INC.
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 1991



ST-4182N (94161-182) Wren 3 FH SCSI

(3 by 5 configuration jumper block)

         ΪΔΔΔΔΔ Motor Start Option enable (horizontal)
         ³   ΪΔ N/A
         ³   ³     ΪΔ Terminator Power from Bus
        oΑo xΑx  oΔ³  (upper 2 pins)               Ϊ12ΔGΔGΔ5ΔΏ ΪΔΔΔΔΔΔΔΔΏ
        o o o o ΪoΒΩ  ΥΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΈ  ³ 0 0 0 0 ³ ³Terminator
        o o o o ³o³   ³:::SCSI:Cable:::::::::::1³  \ΔΔΔΔΔΔΔΔΔ/ ΐΔΔΔΔΔΔΔΔΩ
   ΝΝΝΝΝ4Ν2Ν1ΝPΝΟTΟΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
   ΝΝΝΝΝΨΝΨΝΨΝΨΝΝΨΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
        ΐΔΕΔΩ ³  ³
          ³   ³  ΐ Terminator Power (+5v) from drive (lower 2 pins)
          ³   ΐΔΔΔ Parity Check Option Enable (vertical)
          ΐΔΔΔΔΔΔΔ Drive Select ID's (vertical)



(2 by 7 configuration jumper block)

                           1Ώ           1Ώ 1Ώ
     Terminator Power      ³³--T-Res -- ³³ ³³
   from Bus (horizontal)   ³³  (3 ea)   ³³ ³³
                  ³        ΐΩ           ΐΩ ΐΩ      Ϊ12ΔGΔGΔ5ΔΏ
       o o o o o oΑo  ΥΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΈ  ³ 0 0 0 0 ³
       o o o o o x o  ³:::SCSI:Cable:::::::::::1³  \ΔΔΔΔΔΔΔΔΔ/
      ΝMΝ4Ν2Ν1ΝPΝTΝTΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΟΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
      ΝΨΝΨΝΨΝΨΝΨΝΝΝΨΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝΝ
       ³ ΐΔΕΔΩ ³   ³
       ³   ³   ³   ΐΔ Terminator Power (+5v) from drive (lower 2 pins)
       ³   ³   ΐΔΔΔΔΔ Parity Check Option Enable (vertical)
       ³   ΐΔΔΔΔΔΔΔΔΔ Drive Select ID's (vertical)
       ΐΔΔΔΔΔΔΔΔΔΔΔΔΔ Motor Start Option enable


                             ST-4182N
                        94161-182 WREN 3 FH

       UNFORMATTED CAPACITY (MB) ________________182
       FORMATTED CAPACITY (35 SECTORS) (MB) _____155
       ACTUATOR TYPE ____________________________VOICE COIL
       TRACKS ___________________________________8,721
       CYLINDERS ________________________________969
       HEADS ____________________________________9
       DISCS ____________________________________5
       MEDIA TYPE _______________________________THIN FILM
       RECORDING METHOD _________________________RLL (2,7)
       TRANSFER RATE (mbytes/sec) _______________1.25
       SPINDLE SPEED (RPM) ______________________3,600
       AVERAGE LATENCY (mSEC) ___________________8.33
       BUFFER ___________________________________8 or 32 Kbyte
         8 Kbyte: FIFO, Non-Adaptive,
          Single-Segmented Buffer
         32 Kbyte: Read Look-Ahead, Non-Adaptive,
          Single-Segmented Buffer
       INTERFACE ________________________________SCSI
       TPI (TRACKS PER INCH) ____________________960
       BPI (BITS PER INCH) ______________________19,058
       AVERAGE ACCESS (ms) ______________________16.5
       SINGLE TRACK SEEK (ms) ___________________4
       MAX FULL SEEK (ms) _______________________40
       MTBF (power-on hours) ____________________100,000
       POWER REQUIREMENTS: +12V START-UP (amps) _4.5
                           +12V TYPICAL (amps) __1.5
                           +5V START-UP (amps) __1.7
                           +5V TYPICAL (amps) ___1.3
                           TYPICAL (watts) ______24
                           MAXIMUM (watts) ______63
       BUFFERED STEP PULSE RATE (micro sec) _____N/A
       WRITE PRECOMP (cyl) ______________________N/A
       REDUCED WRITE CURRENT (cyl) ______________N/A
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

Already low-level formatted at the factory.

Seagate reserves the right to change, without notice, product 
offerings or specifications. (9/10/93)

A copy of this specification file may be obtained by FTP at
ftp://ftp.seagate.com/techsuppt/scsi/st4182n.txt.