(TXT) View Source
       
       # CAF TECHNOLOGY, INC.
       
          C426 486DX-33 50/N426 486SX-20 25
       
          Processor             80486SX/80486DX                          
          Processor Speed       20/25/33/50MHz                           
          Chip Set              SIS                                      
          Max. Onboard DRAM     32MB                                     
          Cache                 64/128/256KB                             
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |    J1    | Turbo LED         |    J4    |
          |------------------+----------+-------------------+----------|
          | Speaker          |    J2    | Turbo switch      |    J5    |
          |------------------+----------+-------------------+----------|
          | Reset switch     |    J3    | Power LED &       |    J7    |
          |                  |          | keylock           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Keyboard clock select fixed at   |  JP2   | pins 2 & 3 |
          |   | 7.159MHz                         |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Keyboard clock select            |  JP2   | pins 1 & 2 |
          |   | programmable via BIOS setup      |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP3   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP3   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |   J6   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |   J6   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | Power good signal detect from    |  JP8   | pins 1 & 2 |
          |   | board                            |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Power good signal detect from    |  JP8   | pins 2 & 3 |
          |   | power supply                     |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CPU clock speed select ³         |  JP16  | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CPU clock speed select < 25Mz    |  JP16  | pins 2 & 3 |
          |   |                                  |        |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       1MB        |    (4) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       2MB        |    (4) 256K x 9    |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       4MB        |     (4) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  |   Bank 0    |   Bank 1   |    TAG     | Dirty bit  |
          |       |             |            |            |    U22     |
          |-------+-------------+------------+------------+------------|
          | 64KB  | (4) 8K x 8  | (4) 8K x 8 | (1) 8K x 8 | (1) 16K x  |
          |       |             |            |            |     4      |
          |-------+-------------+------------+------------+------------|
          | 128KB | (4) 32K x 8 |    NONE    | (1) 8K x 8 | (1) 16K x  |
          |       |             |            |            |     4      |
          |-------+-------------+------------+------------+------------|
          | 256KB | (4) 32K x 8 | (4) 32K x  | (1) 32K x  | (1) 16K x  |
          |       |             |     8      |     8      |     4      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  | JP9  | JP10  | JP11  | JP12  | JP13  | JP14 | JP15 |
          |-------+------+-------+-------+-------+-------+------+------|
          | 64KB  | 1 &  | 2 & 3 | 1 & 2 | 1 & 2 | 1 & 2 | 1 &  | 1 &  |
          |       |  2   |       |       |       |       |  2   |  2   |
          |-------+------+-------+-------+-------+-------+------+------|
          | 128KB | 2 &  | 1 & 2 | 1 & 2 | 2 & 3 | 1 & 2 | 2 &  | 1 &  |
          |       |  3   |       |       |       |       |  3   |  2   |
          |-------+------+-------+-------+-------+-------+------+------|
          | 256KB | 2 &  | 2 & 3 | 2 & 3 | 2 & 3 | 2 & 3 | 2 &  | 2 &  |
          |       |  3   |       |       |       |       |  3   |  3   |
          |------------------------------------------------------------|
          | Note: Pins designated should be in the closed position.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |        JP5        |        JP6        |   JP7   |
          |----------+-------------------+-------------------+---------|
          | 80486SX  | pins 2 & 3 closed | pins 2 & 3 closed |  Open   |
          |----------+-------------------+-------------------+---------|
          | 80487SX  | pins 1 & 2 closed | pins 2 & 3 closed | Closed  |
          |----------+-------------------+-------------------+---------|
          | 80486DX  | pins 1 & 2 closed | pins 1 & 2 closed | Closed  |
          +------------------------------------------------------------+