(TXT) View Source
       
       # CHAINTECH COMPUTER COMPANY, LTD.
       
          325AX/333AX/325AXB/333AXB
       
          Processor         80386SX/CX486SLC                             
          Processor Speed   25/33MHz                                     
          Chip Set          ALI                                          
          Max. Onboard DRAM 16MB                                         
          Cache             None                                         
          BIOS              AMI                                          
          Dimensions        220mm x 190mm                                
          I/O Options       None                                         
          NPU Options       80387SX/CX487SLC                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |    J1    | Turbo LED      |    J5    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |    J3    | Turbo switch   |    J6    |
          |---------------------+----------+----------------+----------|
          | Speaker             |    J4    | Reset switch   |    J7    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper |     Position      |
          |-------------------------------+--------+-------------------|
          | » | Turbo enabled             |   J6   |      Closed       |
          |---+---------------------------+--------+-------------------|
          |   | Turbo disabled            |   J6   |       Open        |
          |---+---------------------------+--------+-------------------|
          | » | NPU synchronous with CPU  |  JP5   | pins 1 & 2 closed |
          |---+---------------------------+--------+-------------------|
          |   | NPU asynchronous with CPU |  JP5   | pins 2 & 3 closed |
          |---+---------------------------+--------+-------------------|
          | » | Parity check enabled      |  JP15  |       Open        |
          |---+---------------------------+--------+-------------------|
          |   | Parity check disabled     |  JP15  |      Closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |-------+-------------+------------+------------+------------|
          | 512KB | (2) 256K x  |    NONE    |    NONE    |    NONE    |
          |       |      9      |            |            |            |
          |-------+-------------+------------+------------+------------|
          |  1MB  | (2) 256K x  | (2) 256K x |    NONE    |    NONE    |
          |       |      9      |     9      |            |            |
          |-------+-------------+------------+------------+------------|
          |  2MB  | (2) 256K x  | (2) 256K x | (2) 256K x | (2) 256K x |
          |       |      9      |     9      |     9      |     9      |
          |-------+-------------+------------+------------+------------|
          |  2MB  | (2) 1M x 9  |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  4MB  | (2) 1M x 9  | (2) 1M x 9 |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (2) 1M x 9  | (2) 1M x 9 | (2) 1M x 9 | (2) 1M x 9 |
          |-------+-------------+------------+------------+------------|
          |  8MB  | (2) 4M x 9  |    NONE    |    NONE    |    NONE    |
          |-------+-------------+------------+------------+------------|
          | 16MB  | (2) 4M x 9  | (2) 4M x 9 |    NONE    |    NONE    |
          +------------------------------------------------------------+