(TXT) View Source
       
       # 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
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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         |      J3      |  open   |
          |   | disabled                      |              |         |
          |---+-------------------------------+--------------+---------|
          | » | 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 & | closed  |
          |   | connected to pin 21           |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | IDE connector/ Pins 21 & 37   | J16/pins 2 & | closed  |
          |   | are connected                 |      3       |         |
          |---+-------------------------------+--------------+---------|
          | » | IRQ 5 select                  | J17/pins 1 & | closed  |
          |   |                               |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | IRQ 5 reserved                | J17/pins 2 & | closed  |
          |   |                               |      3       |         |
          |---+-------------------------------+--------------+---------|
          | » | AT/XT bus drive selected      | J10/pins 1 & | closed  |
          |   |                               |      2       |         |
          |---+-------------------------------+--------------+---------|
          |   | AT/XT bus drive reserved      | J10/pins 2 & | closed  |
          |   |                               |      3       |         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   IDE BUS TYPE SELECTION                   |
          |------------------------------------------------------------|
          |   Bus   | J8  | J9  | J11 | J12 |  J13   |  J14   |  J15   |
          |  Type   |     |     |     |     |        |        |        |
          |---------+-----+-----+-----+-----+--------+--------+--------|
          | » | AT  | 1 & | 1 & | 1 & | 1 & |  open  | closed | closed |
          |   |     |  2  |  2  |  2  |  2  |        |        |        |
          |---+-----+-----+-----+-----+-----+--------+--------+--------|
          |   | XT  | 2 & | 2 & | 2 & | 2 & | closed |  open  |  open  |
          |   |     |  3  |  3  |  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  |
          +------------------------------------------------------------+