
XEBEC AMERICA

1210A (VER. 2)

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

[Image]

                                CONNECTIONS

        Function          Location           Function           Location

  34-pin cable connector     J1       20-pin data cable            J3
  - hard drive                        connector - drive 2

  20-pin data cable          J2       Factory test connector       J4
  connector - drive 1                 - do not alter

                        USER CONFIGURABLE SETTINGS

                  Function                      Label        Position

     Host ROM enabled                          JP4/8         Closed

      Host ROM disabled                         JP4/8          Open

  Note: When multiple controllers exist, one of these controllers must
  disable the host ROM.

                         DMA CHANNEL SELECTION

  Channel    JP2/1     JP2/2     JP2/3     JP5/1     JP5/2     JP5/3

     1       Closed     Open      Open     Closed     Open      Open

     2        Open     Closed     Open      Open     Closed     Open

     3        Open      Open     Closed     Open      Open     Closed

                   BIOS ADDRESS SELECTION

      Address         JP1/1     JP1/2      JP1/3     JP1/4

        300h          Closed    Closed    Closed    Closed

        304h           Open     Closed    Closed    Closed

        308h          Closed     Open     Closed    Closed

        30Ch           Open      Open     Closed    Closed

        310h          Closed    Closed     Open     Closed

        314h           Open     Closed     Open     Closed

        318h          Closed     Open      Open     Closed

        31Ch           Open      Open      Open     Closed

        320h          Closed    Closed    Closed     Open

        324h           Open     Closed    Closed     Open

        328h          Closed     Open     Closed     Open

        32Ch           Open      Open     Closed     Open

        330h          Closed    Closed     Open      Open

        334h           Open     Closed     Open      Open

        338h          Closed     Open      Open      Open

        33Ch           Open      Open      Open      Open

                        HOST ROM ADDRESS SELECTION

  Address   JP4/1    JP4/2    JP4/3    JP4/4     JP4/5    JP4/6    JP4/7

  00000h    Closed   Closed   Closed   Closed    Closed   Closed   Closed

  02000h    Closed   Closed   Closed   Closed    Closed   Closed    Open

  04000h    Closed   Closed   Closed   Closed    Closed   Open     Closed

  06000h    Closed   Closed   Closed   Closed    Closed   Open      Open

  08000h    Closed   Closed   Closed   Closed    Open     Closed   Closed

  F6000h     Open     Open     Open     Open     Closed   Open      Open

  F8000h     Open     Open     Open     Open     Open     Closed   Closed

  FA000h     Open     Open     Open     Open     Open     Closed    Open

  FC000h     Open     Open     Open     Open     Open     Open     Closed

  FE000h     Open     Open     Open     Open     Open     Open      Open

            Note: A total of 128 address settings are available. The
            jumpers are a binary representation of the decimal memory
            addresses. JP4/1 is the Most Significant Bit and JP4/7 is the
            Least Significant Bit. The jumpers have the following decimal
            values: JP4/7= 2000h, JP4/6=4000h, JP4/5=8000h, JP4/4=10000h,
            JP4/3=20000h, JP4/2=40000h, JP4/1=80000h. Turn on the
            switches and add the values of the switches to obtain the
            correct memory address. (Closed = 0, Open=1)

                          INTERRUPT SELECTION

  Setting     JP3/1     JP3/2     JP3/3     JP3/4     JP3/5     JP3/6

     2       Closed     Open      Open      Open      Open      Open

     3        Open     Closed     Open      Open      Open      Open

     4        Open      Open     Closed     Open      Open      Open

     5        Open      Open      Open     Closed     Open      Open

     6        Open      Open      Open      Open     Closed     Open

     7        Open      Open      Open      Open      Open     Closed

