(TXT) View Source
       
       # JOINDATA SYSTEMS, INC.
       
          G486EB
       
                                                                         
          Processor             80486DX                                  
          Processor Speed       25/33Hz                                  
          Chip Set              ETEQ                                     
          Max. Onboard DRAM     64MB                                     
          Cache                 64/256KB                                 
          BIOS                  AMI/Award/MR/Phoenix                     
          Dimensions            330.2mm x 215.8mm                        
          I/O Options           None                                     
          NPU Options           4167                                     
                                                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Reset switch |    J9    | Power LED & keylock   |   J13    |
          |--------------+----------+-----------------------+----------|
          | Turbo LED    |   J10    | External Battery      |   J14    |
          |              |          | connector             |          |
          |--------------+----------+-----------------------+----------|
          | Speaker      |   J12    |                       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Jumper | Position |
          |----------------------------------------+--------+----------|
          | » | Factory configured - do not alter  |  J11   |   N/A    |
          |---+------------------------------------+--------+----------|
          | » | Monitor type select color          |  JP1   |  Closed  |
          |---+------------------------------------+--------+----------|
          |   | Monitor type select monochrome     |  JP1   |   Open   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size |   Bank 0    |   Bank 1    |   Bank 2   |   Bank 3   |
          |------+-------------+-------------+------------+------------|
          | 1MB  | (4) 256K x  |    NONE     |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 2MB  | (4) 256K x  | (4) 256K x  |    NONE    |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 3MB  | (4) 256K x  | (4) 256K x  | (4) 256K x |    NONE    |
          |      |      9      |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 256K x |
          |      |      9      |      9      |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 4MB  | (4) 1M x 9  |    NONE     |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 5MB  | (4) 256K x  | (4) 1M x 9  |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 6MB  | (4) 256K x  | (4) 256K x  | (4) 1M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 7MB  | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 1M x 9 |
          |      |      9      |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 8MB  | (4) 1M x 9  | (4) 1M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 9MB  | (4) 1M x 9  | (4) 1M x 9  | (4) 256K x |    NONE    |
          |      |             |             |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 10MB | (4) 256K x  | (4) 256K x  | (4) 1M x 9 | (4) 1M x 9 |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 12MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 13MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 256K x |
          |      |             |             |            |     9      |
          |------+-------------+-------------+------------+------------|
          | 16MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 17MB | (4) 256K x  | (4) 4M x 9  |    NONE    |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 18MB | (4) 256K x  | (4) 256K x  | (4) 4M x 9 |    NONE    |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 19MB | (4) 256K x  | (4) 256K x  | (4) 256K x | (4) 4M x 9 |
          |      |      9      |      9      |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 20MB | (4) 1M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 21MB | (4) 256K x  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |
          |      |      9      |             |            |            |
          |------+-------------+-------------+------------+------------|
          | 22MB | (4) 256K x  | (4) 256K x  | (4) 1M x 9 | (4) 4M x 9 |
          |      |      9      |      9      |            |            |
          |------+-------------+-------------+------------+------------|
          | 24MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 25MB | (4) 1M x 9  | (4) 1M x 9  | (4) 4M x 9 | (4) 256K x |
          |      |             |             |            |     9      |
          |------+-------------+-------------+------------+------------|
          | 28MB | (4) 1M x 9  | (4) 1M x 9  | (4) 1M x 9 | (4) 4M x 9 |
          |------+-------------+-------------+------------+------------|
          | 32MB | (4) 4M x 9  | (4) 4M x 9  |    NONE    |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 33MB | (4) 4M x 9  | (4) 4M x 9  | (4) 256K x |    NONE    |
          |      |             |             |     9      |            |
          |------+-------------+-------------+------------+------------|
          | 34MB | (4) 4M x 9  | (4) 4M x 9  | (4) 256K x | (4) 256K x |
          |      |             |             |     9      |     9      |
          |------+-------------+-------------+------------+------------|
          | 36MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 40MB | (4) 4M x 9  | (4) 4M x 9  | (4) 1M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 48MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 |    NONE    |
          |------+-------------+-------------+------------+------------|
          | 49MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 256K x |
          |      |             |             |            |     9      |
          |------+-------------+-------------+------------+------------|
          | 52MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 1M x 9 |
          |------+-------------+-------------+------------+------------|
          | 64MB | (4) 4M x 9  | (4) 4M x 9  | (4) 4M x 9 | (4) 4M x 9 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Cache        |        Tag         |
          |------------------+--------------------+--------------------|
          |       64KB       |     (8) 8K x 8     |    (2) 16K x 4     |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |    (2) 16K x 4     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          | Size  |  JP2   |  JP3   |  JP4   |    JP5     |    JP6     |
          |-------+--------+--------+--------+------------+------------|
          | 64KB  |  Open  |  Open  |  Open  | pins 2 & 3 | pins 2 & 3 |
          |       |        |        |        |   closed   |   closed   |
          |-------+--------+--------+--------+------------+------------|
          | 256KB | Closed | Closed | Closed | pins 1 & 2 | pins 1 & 2 |
          |       |        |        |        |   closed   |   closed   |
          +------------------------------------------------------------+