(TXT) View Source
       
       # CHAINTECH COMPUTER COMPANY, LTD.
       
          325S/333S/333SC/340SC
       
          Processor         AM386DX/80386DX                              
          Processor Speed   25/33/40MHz                                  
          Chip Set          AMD                                          
          Max. Onboard DRAM 8MB (325S/333S) / 16MB (333SC/340SC)         
          Cache             64KB (333SC/340SC)                           
          BIOS              AMI                                          
          Dimensions        330mm x 217mm                                
          I/O Options       None                                         
          NPU Options       80387DX/3167                                 
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |    J1    | Turbo switch   |   J12    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J10    | Speaker        |   J13    |
          |---------------------+----------+----------------+----------|
          | Turbo LED           |   J11    | Reset switch   |   J14    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |   J2   | pins 1 & 2 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |   J3   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |   J3   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Cache size select 32KB           |   J9   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Cache size select 64KB           |   J9   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Factory configured - do not      |  J19   | pins 2 & 3 |
          |   | alter                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | NPU synchronous with CPU         |   JX   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | NPU asynchronous with CPU        |   JX   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |------------------------------------------------------------|
          | Note: Cache configuration is for 333SC/340SC only.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |    Bank 0    |   Bank 1   |   Bank 2   |   Bank 3   |
          |------+--------------+------------+------------+------------|
          | 1MB  | (4) 256K x 9 |    NONE    |    NONE    |    NONE    |
          |------+--------------+------------+------------+------------|
          | 2MB  | (4) 256K x 9 | (4) 256K x |    NONE    |    NONE    |
          |      |              |     9      |            |            |
          |------+--------------+------------+------------+------------|
          | 4MB  |  (4) 1M x 9  |    NONE    |    NONE    |    NONE    |
          |------+--------------+------------+------------+------------|
          | 5MB  | (4) 256K x 9 | (4) 1M x 9 |    NONE    |    NONE    |
          |------+--------------+------------+------------+------------|
          | 8MB  |  (4) 1M x 9  | (4) 1M x 9 |    NONE    |    NONE    |
          |------+--------------+------------+------------+------------|
          | 12MB |  (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |    NONE    |
          |------+--------------+------------+------------+------------|
          | 16MB |  (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 | (4) 1M x 9 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     8042 SPEED SELECT                      |
          |------------------------------------------------------------|
          |       8042 pin number       |              J4              |
          |-----------------------------+------------------------------|
          | »      |         23         |      pins 5 & 6 closed       |
          |--------+--------------------+------------------------------|
          |        |         24         |      pins 7 & 8 closed       |
          |--------+--------------------+------------------------------|
          |        |         29         |      pins 1 & 2 closed       |
          |--------+--------------------+------------------------------|
          |        |         30         |      pins 3 & 4 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     MODEL TYPE SELECT                      |
          |------------------------------------------------------------|
          |    Type     |    J5     |    J6     |    J7     |    J8    |
          |-------------+-----------+-----------+-----------+----------|
          |  325S/333S  |  Closed   |  Closed   |  Closed   |  Closed  |
          |-------------+-----------+-----------+-----------+----------|
          | 333SC/340SC |   Open    |   Open    |   Open    |   Open   |
          +------------------------------------------------------------+