ZOBEX

ZOBEX 4HDC-62W

Data Bus                8-bit ISA
Card Size               Three-quarter length, full-height card
Hard Drives supported   Four ST-506/412(MFM) drives
Floppy drives supported None

[Image]

                                CONNECTIONS

        Function          Location           Function           Location

  34-pin control cable       J1       20-pin data cable            J4
  connector                           connector

  20-pin data cable          J2       20-pin data cable            J5
  connector - drive 0                 connector

  20-pin data cable          J3
  connector - drive 1

                        USER CONFIGURABLE SETTINGS

              Function                     Label            Position

  »   IRQ 5 enable                         JP4/1             Closed

      IRQ 5 disable                        JP4/1              Open

  »   Factory configured - do not           P2                Open
      alter

  »   Write Protect drive 0            P3/pins 1 & 2          Open
      disabled

      Write Protect drive 0            P3/pins 1 & 2         Closed
      enabled

  »   Write Protect drive 1            P3/pins 3 & 4          Open
      disabled

      Write Protect drive 1            P3/pins 3 & 4         Closed
      enabled

  »   Write Protect drive 2            P3/pins 5 & 6          Open
      disabled

      Write Protect drive 2            P3/pins 5 & 6         Closed
      enabled

  »   Write Protect drive 3            P3/pins 7 & 8          Open
      disabled

      Write Protect drive 3            P3/pins 7 & 8         Closed
      enabled

  »   Factory configured - do not          SW1/1               Off
      alter (Ext. Stat. Reg. Bit
      4)

  »   Factory configured - do not          SW1/2               Off
      alter (Ext. Stat. Reg. Bit
      5)

  »   Factory configured - do not          SW1/3               Off
      alter (Ext. Stat. Reg. Bit
      6)

  »   Factory configured - do not          SW1/4               Off
      alter (Ext. Stat. Reg. Bit
      7)

  »   Factory configured - do not          SW2/7          Unidentified
      alter

  »   Factory configured - do not          SW2/8          Unidentified
      alter

                    PIN 2 CABLE SELECTION FOR CABLE J1

         Setting             P1/1        P1/2        P1/3         P1/4

       Change Cartridge      Open        Open        Open        Closed
           Signal

         Head Select         Open        Open       Closed        Open

  »     Reduced Write        Open       Closed       Open         Open
           Current

       Disable pin 2 3      Closed       Open        Open         Open

  Note: Select the ‘Head Select’ setting if the attached drive is large
  capacity with more than 8 heads.

                           DMA CHANNEL SELECTION

           Channel                    JP4/1                  JP4/2

  »       DMA 3 disabled               Open                  Open

           DMA 3 enabled              Closed                Closed

                          BASE ADDRESS SELECTION

    Setting       SW2/1     SW2/2     SW2/3    SW2/4     SW2/5     SW2/6

  »     300h        On        On       On       Off       Off       On