(TXT) View Source
       
       # ADVANCED INTEGRATION RESEARCH, INC.
       
          486EO-50/33/25/20 EISA
       
          Processor        80486SX/80487SX/80486DX/ODP486SX/80486DX2     
          Processor Speed  20/25/33/50/66(internal)MHz                   
          Chip Set         OPTI                                          
          Max. Onboard     128MB                                         
          DRAM             
          Cache            64/128/256/512KB                              
          BIOS             AMI/Phoenix                                   
          Dimensions       309mm x 331mm                                 
          I/O Options      32-bit external memory card slot, 32-bit      
                           external video card slot                      
          NPU Options      4167                                          
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose       | Location | Purpose              | Location |
          |---------------+----------+----------------------+----------|
          | Speaker       |    J4    | Turbo LED            |    J8    |
          |---------------+----------+----------------------+----------|
          | Power LED &   |    J5    | 32-bit external      |    S1    |
          | Keylock       |          | memory card          |          |
          |---------------+----------+----------------------+----------|
          | Reset switch  |    J6    | 32-bit external      |   VP1    |
          |               |          | video card           |          |
          |---------------+----------+----------------------+----------|
          | Turbo switch  |    J7    |                      |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JO3   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  JO4   |   Open   |
          |---+------------------------------------+--------+----------|
          | » | Monitor type select monochrome     |  JP6   |   Open   |
          |---+------------------------------------+--------+----------|
          |   | Monitor type select color          |  JP6   |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |    Bank 0     |  Bank 1   |  Bank 2   |  Bank 3   |
          |--------+---------------+-----------+-----------+-----------|
          |  4MB   |  (4) 1M x 9   |   NONE    |   NONE    |   NONE    |
          |--------+---------------+-----------+-----------+-----------|
          |  8MB   |  (4) 1M x 9   | (4) 1M x  |   NONE    |   NONE    |
          |        |               |     9     |           |           |
          |--------+---------------+-----------+-----------+-----------|
          |  12MB  |  (4) 1M x 9   | (4) 1M x  | (4) 1M x  |   NONE    |
          |        |               |     9     |     9     |           |
          |--------+---------------+-----------+-----------+-----------|
          |  16MB  |  (4) 1M x 9   | (4) 1M x  | (4) 1M x  | (4) 1M x  |
          |        |               |     9     |     9     |     9     |
          |--------+---------------+-----------+-----------+-----------|
          |  16MB  |  (4) 4M x 9   |   NONE    |   NONE    |   NONE    |
          |--------+---------------+-----------+-----------+-----------|
          |  20MB  |  (4) 1M x 9   | (4) 4M x  |   NONE    |   NONE    |
          |        |               |     9     |           |           |
          |--------+---------------+-----------+-----------+-----------|
          |  24MB  |  (4) 1M x 9   | (4) 1M x  | (4) 4M x  |   NONE    |
          |        |               |     9     |     9     |           |
          |--------+---------------+-----------+-----------+-----------|
          |  28MB  |  (4) 1M x 9   | (4) 1M x  | (4) 4M x  | (4) 1M x  |
          |        |               |     9     |     9     |     9     |
          |--------+---------------+-----------+-----------+-----------|
          |  32MB  |  (4) 4M x 9   | (4) 4M x  |   NONE    |   NONE    |
          |        |               |     9     |           |           |
          |--------+---------------+-----------+-----------+-----------|
          |  36MB  |  (4) 4M x 9   | (4) 4M x  | (4) 1M x  |   NONE    |
          |        |               |     9     |     9     |           |
          |--------+---------------+-----------+-----------+-----------|
          |  40MB  |  (4) 1M x 9   | (4) 1M x  | (4) 4M x  | (4) 4M x  |
          |        |               |     9     |     9     |     9     |
          |--------+---------------+-----------+-----------+-----------|
          |  48MB  |  (4) 4M x 9   | (4) 4M x  | (4) 4M x  |   NONE    |
          |        |               |     9     |     9     |           |
          |--------+---------------+-----------+-----------+-----------|
          |  52MB  |  (4) 4M x 9   | (4) 4M x  | (4) 4M x  | (4) 1M x  |
          |        |               |     9     |     9     |     9     |
          |--------+---------------+-----------+-----------+-----------|
          |  64MB  |  (4) 4M x 9   | (4) 4M x  | (4) 4M x  | (4) 4M x  |
          |        |               |     9     |     9     |     9     |
          |--------+---------------+-----------+-----------+-----------|
          |  64MB  |  (4) 16M x 9  |   NONE    |   NONE    |   NONE    |
          |--------+---------------+-----------+-----------+-----------|
          | 128MB  |  (4) 16M x 9  | (4) 16M x |   NONE    |   NONE    |
          |        |               |     9     |           |           |
          |--------+---------------+-----------+-----------+-----------|
          | 192MB  |  (4) 16M x 9  | (4) 16M x | (4) 16M x |   NONE    |
          |        |               |     9     |     9     |           |
          |--------+---------------+-----------+-----------+-----------|
          | 256MB  |  (4) 16M x 9  | (4) 16M x | (4) 16M x | (4) 16M x |
          |        |               |     9     |     9     |     9     |
          |------------------------------------------------------------|
          | Note:Banks 2 & 3 are used when a 32-bit external memory    |
          | card is installed at S1.                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       64KB       |     (4) 8K x 8     |     (4) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      128KB       |    (4) 32K x 8     |        NONE        |
          |------------------+--------------------+--------------------|
          |      256KB       |    (4) 32K x 8     |    (4) 32K x 8     |
          |------------------+--------------------+--------------------|
          |      512KB       |    (4) 128K x 8    |        NONE        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size |  JP1  |  JP2  |  JP3  |  JP9  | JP10  | JP11  |JP12 |
          |------+-------+-------+-------+-------+-------+-------+-----|
          | 64K  | Open  | Open  | Open  | Open  | Open  | Open  |2 & 3|
          |------+-------+-------+-------+-------+-------+-------+-----|
          | 128K |Closed | Open  | Open  |Closed | Open  | Open  |1 & 2|
          |------+-------+-------+-------+-------+-------+-------+-----|
          | 256K |Closed |Closed | Open  |Closed | Open  |Closed |2 & 3|
          |------+-------+-------+-------+-------+-------+-------+-----|
          | 512K |Closed |Closed |Closed |Closed |Closed |Closed |1 & 2|
          |------------------------------------------------------------|
          |Note: Pins designated should be in the closed position.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |   Type   |             JP7             |        JP8        |
          |----------+-----------------------------+-------------------|
          | 80486SX  |      pins 2 & 3 closed      |       open        |
          |----------+-----------------------------+-------------------|
          | 80487SX  | pins 1 & 2 and 3 & 4 closed | pins 1 & 2 closed |
          |----------+-----------------------------+-------------------|
          | 80486DX  | pins 1 & 2 and 3 & 4 closed | pins 2 & 3 closed |
          |----------+-----------------------------+-------------------|
          | ODP486SX | pins 1 & 2 and 3 & 4 closed | pins 1 & 2 closed |
          |----------+-----------------------------+-------------------|
          | 80486DX2 | pins 1 & 2 and 3 & 4 closed | pins 2 & 3 closed |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          | Speed  | JO1 |  JO2  |  JP4  |  JP5  | JP13 | JP14  | JP15 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 20MHz  |Open |Closed | Open  | Open  |2 & 3 |Closed |2 & 3 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 25MHz  |Open | Open  | Open  | Open  |2 & 3 |Closed |1 & 2 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 33MHz  |Open |Closed | Open  |Closed |2 & 3 | Open  |1 & 2 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 50iMHz |Open | Open  | Open  | Open  |2 & 3 |Closed |1 & 2 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 50MHz  |Open | Open  |Closed |Closed |1 & 2 | Open  |1 & 2 |
          |--------+-----+-------+-------+-------+------+-------+------|
          | 66iMHz |Open |Closed | Open  |Closed |2 & 3 | Open  |1 & 2 |
          +------------------------------------------------------------+