SONY CORPORATION

CDB-242

Card Type               CD-ROM host card
Chip Set                Unidentified
Maximum Onboard Memory  None
I/O Options             Host bus connector (2)
Data Bus                8-bit ISA
Floppy drives supported None

[Image]

                                CONNECTIONS

          Function            Label            Function            Label

  External host bus            CN1     Internal host bus            CN2
  connector                            connector

                          BIOS ADDRESS SELECTION

  Address      SW1/A     SW1/B     SW1/C      SW1/D     SW1/E     SW1/F

      300h     Open       Open      Open      Open      Open       Open

      304h    Closed      Open      Open      Open      Open       Open

      308h     Open      Closed     Open      Open      Open       Open

      30Ch    Closed     Closed     Open      Open      Open       Open

      310h     Open       Open     Closed     Open      Open       Open

      320h     Open       Open      Open     Closed     Open       Open

      330h     Open       Open     Closed    Closed     Open       Open

  »   340h     Open       Open      Open      Open     Closed      Open

      350h     Open       Open     Closed     Open     Closed      Open

      360h     Open       Open      Open     Closed    Closed      Open

      370h     Open       Open     Closed    Closed    Closed      Open

      380h     Open       Open      Open      Open      Open      Closed

      390h     Open       Open     Closed     Open      Open      Closed

      3A0h     Open       Open      Open     Closed     Open      Closed

      3B0h     Open       Open     Closed    Closed     Open      Closed

      3C0h     Open       Open      Open      Open     Closed     Closed

      3D0h     Open       Open     Closed     Open     Closed     Closed

      3E0h     Open       Open      Open     Closed    Closed     Closed

      3F0h     Open       Open     Closed    Closed    Closed     Closed

               INTERRUPT SELECTION

   IRQ      SW2/A     SW2/B    SW2/C     SW2/D

    2      Closed     Open      Open      Open

    3       Open     Closed     Open      Open

    4       Open      Open     Closed     Open

    5       Open      Open      Open     Closed

                           DMA CHANNEL SELECTION

  Channel    SW3/A      SW3/B      SW3/C     SW3/D      SW3/E     SW3/F

     1       Closed     Closed     Open       Open      Open       Open

     2        Open       Open     Closed     Closed     Open       Open

     3        Open       Open      Open       Open     Closed     Closed