(TXT) View Source
       
       # JOINDATA SYSTEMS, INC.
       
          G486SLC
       
          Processor             80486SX/80486DX                          
          Processor Speed       25/33MHz                                 
          Chip Set              Symphony                                 
          Max. Onboard DRAM     32MB                                     
          SRAM Cache            64/128/256/1024KB                        
          BIOS                  AMI/MR                                   
          Dimensions            330mm x 260mm                            
          I/O Options           32-bit external memory card slot         
          NPU Options           4167                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose      | Location | Purpose               | Location |
          |--------------+----------+-----------------------+----------|
          | Reset switch |    J9    | Power LED & keylock   |   J13    |
          |--------------+----------+-----------------------+----------|
          | Turbo LED    |   J10    | External battery      |   J14    |
          |--------------+----------+-----------------------+----------|
          | Turbo switch |   J11    | 32-bit external       |    S1    |
          |              |          | memory card           |          |
          |--------------+----------+-----------------------+----------|
          | Speaker      |   J12    |                       |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Jumper  |  Position  |
          |-------------------------------------+---------+------------|
          | »  | Factory configured - do not    |   JP6   | Pins 1 & 2 |
          |    | alter.                         |         |   Closed   |
          |----+--------------------------------+---------+------------|
          | »  | Factory configured - do not    |  JP11   |   Closed   |
          |    | alter.                         |         |            |
          |----+--------------------------------+---------+------------|
          | »  | Monitor type select color      |  JP12   |   closed   |
          |----+--------------------------------+---------+------------|
          |    | Monitor type select monochrome |  JP12   |    open    |
          |------------------------------------------------------------|
          | Note: JP6 and JP11 are set for the G486SLC-50MHz, other    |
          | settings are unidentified.                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     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) 1M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (4) 1M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (4) 4M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       17MB       |     (4) 4M x 9     |    (4) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       20MB       |     (4) 4M x 9     |     (4) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       32MB       |     (4) 4M x 9     |     (4) 4M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size  |     Bank 0      |     Bank 1     |      TAG       |
          |--------+-----------------+----------------+----------------|
          |  64KB  |   (4) 8K x 8    |   (4) 8K x 8   |   (1) 8K x 8   |
          |--------+-----------------+----------------+----------------|
          | 128KB  |   (4) 32K x 8   |      NONE      |  (1) 32K x 8   |
          |--------+-----------------+----------------+----------------|
          | 256KB  |   (4) 32K x 8   |  (4) 32K x 8   |  (1) 32K x 8   |
          |--------+-----------------+----------------+----------------|
          | 1024KB |  (4) 128K x 8   |  (4) 128K x 8  |  (1) 128K x 8  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |  JP7   |  JP9   |  JP10  |  JP18  | JP19  | JP20  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  64KB  |  Open  | Closed | Closed |  Open  | Open  |Closed |
          |--------+--------+--------+--------+--------+-------+-------|
          | 128KB  | Closed |  Open  |  Open  |  Open  |Closed | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          | 256KB  |  Open  | Closed | Closed | Closed | Open  | Open  |
          |--------+--------+--------+--------+--------+-------+-------|
          | 1024KB |  Open  | Closed | Closed | Closed | Open  | Open  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |  JP21  |  JP22  |  JP23  |  JP24  | JP26  | JP27  |
          |--------+--------+--------+--------+--------+-------+-------|
          |  64KB  | Closed |  Open  | Closed |  Open  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 128KB  |  Open  | Closed |  Open  |  Open  | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 256KB  | Closed |  Open  |  Open  | Closed | 2 & 3 | 2 & 3 |
          |--------+--------+--------+--------+--------+-------+-------|
          | 1024KB | Closed |  Open  |  Open  | Closed | 1 & 2 | 1 & 2 |
          |------------------------------------------------------------|
          | Note:JP26 & JP27 may not be present on all boards. Pins    |
          | designated should be in the closed position.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Type     |    JP3     |        JP4        |    JP8     |
          |--------------+------------+-------------------+------------|
          |   80486DX    |   Closed   | pins 1 & 2 closed |   Closed   |
          |--------------+------------+-------------------+------------|
          |   80486SX    |    Open    | pins 2 & 3 closed |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   BATTERY CONFIGURATION                    |
          |------------------------------------------------------------|
          |       Type        |        J14         |        JP2        |
          |-------------------+--------------------+-------------------|
          |      146818       | pins 1 & 2 closed  |       Open        |
          |-------------------+--------------------+-------------------|
          |      DS1287       |        Open        |      Closed       |
          +------------------------------------------------------------+