(TXT) View Source
       
       # JOINDATA SYSTEMS, INC.
       
          G486EVL
       
          Processor          80486SX/80487SX/80486DX/ODP486SX/80486DX2   
          Processor Speed    16/20/25/33/50(internal)/50/66(internal)MHz 
          Chip Set           EFAR                                        
          Max. Onboard DRAM  32MB                                        
          Cache              64/256KB                                    
          BIOS               AMI                                         
          Dimensions         330mm x 218mm                               
          I/O Options        32-bit VESA local bus slots (2)             
          NPU Options        None                                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | 32-bit VESA      | J1 & J2  | Power LED &       |   J13    |
          | local bus slots  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   J10    | Reset switch      |   J14    |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   J11    | External battery  |   JP2    |
          |------------------+----------+-------------------+----------|
          | Speaker          |   J12    |                   |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |             Function              | Jumper |   Position    |
          |-----------------------------------+--------+---------------|
          | » | CMOS memory normal operation  |  JP1   |  pins 2 & 3   |
          |   |                               |        |    closed     |
          |---+-------------------------------+--------+---------------|
          |   | CMOS memory clear             |  JP1   |  pins 1 & 2   |
          |   |                               |        |    closed     |
          |---+-------------------------------+--------+---------------|
          | » | CPU speed select 20/25/33MHz  |  JP33  |  pins 2 & 3   |
          |   |                               |        |    closed     |
          |---+-------------------------------+--------+---------------|
          |   | CPU speed select 50MHz        |  JP33  |  pins 1 & 2   |
          |   |                               |        |    closed     |
          |---+-------------------------------+--------+---------------|
          | » | VESA bus select 0 wait states |  JP34  |  pins 1 & 2   |
          |   |                               |        |    closed     |
          |---+-------------------------------+--------+---------------|
          |   | VESA bus select 1 wait state  |  JP34  |  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         |
          |----------------+---------------------+---------------------|
          |      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) 1M x 9      |     (4) 4M x 9      |
          |----------------+---------------------+---------------------|
          |      32MB      |     (4) 4M x 9      |     (4) 4M x 9      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |        TAG         |
          |------------------+--------------------+--------------------|
          |       64KB       |     (8) 8K x 8     |     (1) 8K x 8     |
          |------------------+--------------------+--------------------|
          |      256KB       |    (8) 32K x 8     |    (1) 32K x 8     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CACHE JUMPER CONFIGURATION                 |
          |------------------------------------------------------------|
          |     Size     |     JP13      |     JP14     |     JP15     |
          |--------------+---------------+--------------+--------------|
          |     64KB     |     Open      |     Open     |     Open     |
          |--------------+---------------+--------------+--------------|
          |    256KB     |    Closed     |    Closed    |    Closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Type     |  OSC1   |  JP9   |  JP12  |  JP17  |  JP18  |
          |--------------+---------+--------+--------+--------+--------|
          |  80486SX-20  |  20MHz  | 2 & 3  |  Open  | 2 & 3  |  Open  |
          |--------------+---------+--------+--------+--------+--------|
          |  80486SX-20  |  40MHz  | 1 & 2  |  Open  | 2 & 3  |  Open  |
          |--------------+---------+--------+--------+--------+--------|
          |  80486SX-25  |  25MHz  | 2 & 3  |  Open  | 2 & 3  |  Open  |
          |--------------+---------+--------+--------+--------+--------|
          |  80486SX-25  |  50MHz  | 1 & 2  |  Open  | 2 & 3  |  Open  |
          |--------------+---------+--------+--------+--------+--------|
          |  80486DX-25  |  50MHz  | 1 & 2  | 2 & 3  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          |  80486DX-25  |  25MHz  | 2 & 3  | 2 & 3  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          |  80487SX-25  |  50MHz  | 1 & 2  | 1 & 2  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          |  80487SX-25  |  25MHz  | 2 & 3  | 1 & 2  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          |  80486DX-33  |  66MHz  | 1 & 2  | 2 & 3  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          |  80486DX-33  |  33MHz  | 2 & 3  | 2 & 3  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          | 80486DX2-50  |  25MHz  | 2 & 3  | 2 & 3  | 1 & 2  | Closed |
          |--------------+---------+--------+--------+--------+--------|
          | 80486DX2-66  |  33MHz  | 2 & 3  | 2 & 3  | 1 & 2  | Closed |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed position.     |
          +------------------------------------------------------------+