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:        |                                        |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/C-D/20856-1.png>
   

   +------------------------------------------------------------+
   |                        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.          |
   +------------------------------------------------------------+