UNIDENTIFIED

CX-I

  Q3 /95

Data bus: 8-bit, ISA

Size: Half-length, full-height card

Hard drives supported: Two IDE (AT/XT) Interface drive

Floppy drives supported: None

[Image]

                    CONNECTIONS

              Function                 Location

  40-pin IDE (AT/XT) Interface            J2

  4-pin connector-drive active LED        J4

                          BIOS ADDRESS SELECTION

      Address          J1/1          J1/2          J1/3          J1/4

  »     C8000h        closed         open          open          open

        CA000h         open         closed         open          open

        CC000h         open          open         closed         open

        CE000h         open          open          open         closed

                        USER CONFIGURABLE SETTINGS

               Function                    Location           Setting

  »   IDE (AT/XT) interface enabled           J3              closed

      IDE (AT/XT) interface disabled          J3               open

  »   ALE (Address Latch Enabled)             J5              closed
      signal enabled

      ALE (Address Latch Enabled)             J5               open
      signal disabled

  »   PDIAG (Pass Diagnostics)                J6               open
      disabled

      PDIAG (Pass Diagnostics)                J6              closed
      enabled

  »   IOCHRDY signal disabled                 J7               open

      IOCHRDY signal enabled                  J7              closed

  »   AEN (Address Enable) signal             J16              open
      disabled

      AEN (Address Enable) signal       J16/pins 1 & 2        closed
      connected to pin 21

      IDE connector/ Pins 21 & 37 are   J16/pins 2 & 3        closed
      connected

  »   IRQ 5 select                      J17/pins 1 & 2        closed

      IRQ 5 reserved                    J17/pins 2 & 3        closed

  »   AT/XT bus drive selected          J10/pins 1 & 2        closed

      AT/XT bus drive reserved          J10/pins 2 & 3        closed

                          IDE BUS TYPE SELECTION

  Bus Type    J8     J9     J11     J12      J13        J14        J15

  »    AT     1 &    1 &   1 & 2   1 & 2     open      closed     closed
              2      2

       XT     2 &    2 &   2 & 3   2 & 3    closed      open       open
              3      3

  Note: Designated pins are in the closed position.

                            IDE DRIVE SELECTION

          Drive                    J18                      J19

  »          AT             pins 2 & 3 closed        pins 1 & 2 closed

             XT             pins 2 & 3 closed        pins 2 & 3 closed

             XT             pins 1 & 2 closed        pins 2 & 3 closed

             XT             pins 1 & 2 closed        pins 1 & 2 closed