
NCL AMERICA

NCL 5425

Data bus: 16-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two ST506/412MFM drives

Floppy drives supported: NCL 5425:Two 360 KB, 720 KB, 1.2 MB or 1.44 MB
drives

Maximum heads/cyl.: 16 heads and 2048 cylinders

[Image]

                        CONNECTIONS

                   Purpose                      Location

  34-pin control cable connector-hard drive       CN1

  20-pin data cable connector-drive 0             CN2

  20-pin data cable connector-drive 1             CN3

  34-pin data cable connector-floppy drive        CN4

  4-pin connector-drive active LED                CN5

NCL AMERICA

NCL 5425

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                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

     Hard drive address is 1F0-1F7h          JP0              open

      Hard drive address is 170-177h          JP0             closed

     Floppy drive port address is            JP1              open
      3F2-3F7h

      Floppy drive port address is            JP1             closed
      372-377h

     LED always "on"                         JP2              open

      LED "on" only when drive is             JP2             closed
      select

     Factory configured - do not             JP3               N/A
      alter

     Factory configured - do not             JP4              open
      alter

       DRIVE TYPES SUPPORTED BY THE NCL542X FIRMWARE

    TYPE       HEADS       CYLS.      W.P.C.       L.Z.

     1           4          306        128         305

     2           4          615        300         615

     3           6          615        300         615

     4           8          940        512         940

     5           6          940        512         940

     6           4          615        N/A         615

     7           8          462        256         511

     8           5          733        N/A         733

     9          15          900        N/A         901

     10          3          820        N/A         820

     11          5          855        N/A         855

     12          7          855        N/A         855

     13          8          306        128         319

     14          7          733        N/A         733

     15      Reserved        -          -           -

