(TXT) View Source
       
       # CHAINTECH COMPUTER COMPANY, LTD.
       
          CL-9028
       
          +------------------------------------------------------------+
          |------------------------------------------------------------|
          | Data bus:         | 32-bit VL-bus                          |
          |-------------------+----------------------------------------|
          | Size:             | Three-quarter length, full-height card |
          |-------------------+----------------------------------------|
          | Hard drive        | Four IDE(AT) drives                    |
          | supported:        |                                        |
          |-------------------+----------------------------------------|
          | Floppy drives     | None                                   |
          | supported:        |                                        |
          +------------------------------------------------------------+
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                 Function                 |    Location     |
          |------------------------------------------+-----------------|
          | 40-pin primary IDE(AT) connector         |       J1        |
          |------------------------------------------+-----------------|
          | 40-pin secondary IDE(AT) connector       |       J2        |
          |------------------------------------------+-----------------|
          | VESA feature connection                  |       J3        |
          |------------------------------------------+-----------------|
          | 15-pin VGA connector                     |       J4        |
          |------------------------------------------+-----------------|
          | 4-pin connector - drive active LED       |       J5        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              |   Location   | Setting |
          |-----------------------------------+--------------+---------|
          | » | System clock is >33MHz        | JP2/pins 2 & | closed  |
          |   |                               |      3       |         |
          |---+-------------------------------+--------------+---------|
          |   | System clock is <=33MHz       | JP2/pins 1 & | closed  |
          |   |                               |      2       |         |
          |---+-------------------------------+--------------+---------|
          | » | IOCHRDY signal for primary    | JP5/pins 2 & | closed  |
          |   | IDE disabled                  |      3       |         |
          |---+-------------------------------+--------------+---------|
          |   | IOCHRDY signal for primary    | JP5/pins 1 & | closed  |
          |   | IDE enabled                   |      2       |         |
          |---+-------------------------------+--------------+---------|
          | » | IOCHRDY signal for secondary  | JP6/pins 2 & | closed  |
          |   | IDE disabled                  |      3       |         |
          |---+-------------------------------+--------------+---------|
          |   | IOCHRDY signal for secondary  | JP6/pins 1 & | closed  |
          |   | IDE enabled                   |      2       |         |
          |---+-------------------------------+--------------+---------|
          | » | IRQ 9 disabled                | JP8/pins 2 & | closed  |
          |   |                               |      3       |         |
          |---+-------------------------------+--------------+---------|
          |   | IRQ 9 enabled                 | JP8/pins 1 & | closed  |
          |   |                               |      2       |         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     IDE CONFIGURATION                      |
          |------------------------------------------------------------|
          |  Primary IDE  |  Secondary IDE   |    JP1     |    JP7     |
          |     (J1)      |       (J2)       |            |            |
          |---------------+------------------+------------+------------|
          | » | Disabled  |     Disabled     | pins 1 & 2 | pins 2 & 3 |
          |   |           |                  |   closed   |   closed   |
          |---+-----------+------------------+------------+------------|
          |   |  Enabled  |     Disabled     | pins 2 & 3 | pins 1 & 2 |
          |   |           |                  |   closed   |   closed   |
          |---+-----------+------------------+------------+------------|
          |   |  Enabled  |     Enabled      | pins 2 & 3 | pins 2 & 3 |
          |   |           |                  |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              IDE DEVICE TIMING MODE SELECTION              |
          |------------------------------------------------------------|
          |               Mode               |    JP3     |    JP4     |
          |----------------------------------+------------+------------|
          | » | 0 (600ns. low speed device)  | pins 2 & 3 | pins 2 & 3 |
          |   |                              |   closed   |   closed   |
          |---+------------------------------+------------+------------|
          |   |   0+ (500ns. normal speed    | pins 2 & 3 | pins 1 & 2 |
          |   |           device)            |   closed   |   closed   |
          |---+------------------------------+------------+------------|
          |   | 1 (383ns. fast speed device) | pins 1 & 2 | pins 2 & 3 |
          |   |                              |   closed   |   closed   |
          |---+------------------------------+------------+------------|
          |   |    2 (240ns. turbo speed     | pins 1 & 2 | pins 1 & 2 |
          |   |           device)            |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               MISCELLANEOUS TECHNICAL NOTES                |
          |------------------------------------------------------------|
          |         The amount of Video DRAM is unidentified.          |
          +------------------------------------------------------------+