(TXT) View Source
       
       # CALIBER COMPUTER
       
          486 WB-U1
       
          Processor          80486SX/80487SX/80486DX/80486DX2            
          Processor Speed    16/20/25/33/50(internal)/50/66(internal)MHz 
          Chip Set           UNI                                         
          Max. Onboard DRAM  32MB                                        
          Cache              32/64/128/256KB                             
          BIOS               AMI                                         
          Dimensions         240mm x 220mm                               
          I/O Options        None                                        
          NPU Options        None                                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |   JP1    | Turbo LED         |   JP16   |
          |------------------+----------+-------------------+----------|
          | Reset switch     |   JP14   | Speaker           |   JP17   |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   JP15   | Power LED &       |   JP18   |
          |                  |          | keylock           |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  JP2   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory clear                |  JP2   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Gate A20 connection select       |  JP10  | pins 2 & 3 |
          |   | KBGA20                           |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | Gate A20 connection select       |  JP10  | pins 1 & 2 |
          |   | emulated KBGA20                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | Monitor type select color        |  JP12  |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | Monitor type select monochrome   |  JP12  |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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        |
          |------------------+--------------------+--------------------|
          |       5MB        |    (4) 256K x 9    |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 1M x 9     |     (4) 4M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |    Size    |    Bank 0     |    Bank 1     |      TAG      |
          |------------+---------------+---------------+---------------|
          |    32KB    |  (4) 8K x 8   |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |    64KB    |  (4) 8K x 8   |  (4) 8K x 8   |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   128KB    |  (4) 32K x 8  |     NONE      |  (1) 8K x 8   |
          |------------+---------------+---------------+---------------|
          |   256KB    |  (4) 32K x 8  |  (4) 32K x 8  |  (1) 32K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          CACHE JUMPER CONFIGURATION (WRITE-BACK)           |
          |------------------------------------------------------------|
          | Size  |    JP22     |    JP23    |    JP25    |    JP26    |
          |-------+-------------+------------+------------+------------|
          | 32KB  | pins 2 & 3  | pins 2 & 3 | pins 1 & 2 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 64KB  | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 1 & 2 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 128KB | pins 2 & 3  | pins 1 & 2 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 256KB | pins 1 & 2  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |       CACHE JUMPER CONFIGURATION FOR (WRITE-THROUGH)       |
          |------------------------------------------------------------|
          | Size  |    JP22     |    JP23    |    JP25    |    JP26    |
          |-------+-------------+------------+------------+------------|
          | 32KB  | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 64KB  | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 128KB | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          |-------+-------------+------------+------------+------------|
          | 256KB | pins 2 & 3  | pins 2 & 3 | pins 2 & 3 | pins 2 & 3 |
          |       |   closed    |   closed   |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CACHE RESISTOR CONFIGURATION                |
          |------------------------------------------------------------|
          | Size  |     J27     |    J28     |    J29     |    J30     |
          |-------+-------------+------------+------------+------------|
          | 32KB  |  Installed  |    Not     |    Not     |    Not     |
          |       |             | installed  | installed  | installed  |
          |-------+-------------+------------+------------+------------|
          | 64KB  |     Not     | Installed  |    Not     |    Not     |
          |       |  installed  |            | installed  | installed  |
          |-------+-------------+------------+------------+------------|
          | 128KB |     Not     |    Not     | Installed  |    Not     |
          |       |  installed  | installed  |            | installed  |
          |-------+-------------+------------+------------+------------|
          | 256KB |     Not     |    Not     |    Not     | Installed  |
          |       |  installed  | installed  | installed  |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     CPU CONFIGURATION                      |
          |------------------------------------------------------------|
          |   Type   | Speed  |  JP3   |  JP7   |     JP9      | JP13  |
          |----------+--------+--------+--------+--------------+-------|
          | 80486SX  | 16MHz  | 1 & 2  |  Open  |    2 & 3     | 2 & 3 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486SX  | 20MHz  | 1 & 2  |  Open  |    2 & 3     | 2 & 3 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486SX  | 25MHz  | 2 & 3  |  Open  |    2 & 3     | 2 & 3 |
          |----------+--------+--------+--------+--------------+-------|
          | 80487SX  | 20MHz  | 1 & 2  | 2 & 3  | 1 & 2, 3 & 4 | 1 & 2 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486DX  | 25MHz  | 1 & 2  | 1 & 2  | 1 & 2, 3 & 4 | 1 & 2 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486DX  | 33MHz  | 1 & 2  | 1 & 2  | 1 & 2, 3 & 4 | 1 & 2 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486DX  | 50MHz  | 2 & 3  | 1 & 2  | 1 & 2, 3 & 4 | 1 & 2 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486DX2 | 50MHz  | 1 & 2  | 1 & 2  | 1 & 2, 3 & 4 | 1 & 2 |
          |----------+--------+--------+--------+--------------+-------|
          | 80486DX2 | 66MHz  | 1 & 2  | 1 & 2  | 1 & 2, 3 & 4 | 1 & 2 |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+