(TXT) View Source
       
       # UNIDENTIFIED
       
          80286 MOTHER BOARD
       
          Processor         80286                                        
          Processor Speed   12/25MHz                                     
          Chip Set          Suntac                                       
          Max. Onboard DRAM 4MB                                          
          Cache             Award/Phoenix                                
          BIOS              Unidentified                                 
          Dimensions        330mm x 218mm                                
          I/O Options       None                                         
          NPU Options       80287                                        
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | Speaker             |   J19    | Turbo LED      |   JP5    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   J20    | Reset switch   |   JP6    |
          |---------------------+----------+----------------+----------|
          | External battery    |   J21    |                |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Factory configured - do   |    DSP1/2     |    N/A     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |    DSP1/4     |    N/A     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      J18      | pins 2 & 3 |
          |   | not alter                 |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | BIOS type select Award    |      JP7      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | BIOS type select Phoenix  |      JP7      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Memory wait state select  |     JP11      |   Closed   |
          |   | 0 wait states             |               |            |
          |---+---------------------------+---------------+------------|
          |   | Memory wait state select  |     JP11      |    Open    |
          |   | 1 wait state              |               |            |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select color |      SW1      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |      SW1      | pins 1 & 2 |
          |   | monochrome                |               |   closed   |
          |------------------------------------------------------------|
          | Note: The location of J18 is unidentified.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Mode | Size  |    Base    |  EMS   |  Bank 0   |  Bank 1   |
          |      |       |   memory   |        |           |           |
          |------+-------+------------+--------+-----------+-----------|
          |  0   | 512KB |   512KB    |  N/A   |   (18)    |   NONE    |
          |      |       |            |        |   41256   |           |
          |------+-------+------------+--------+-----------+-----------|
          |  1   | 640KB |   640KB    |  N/A   |   (18)    | (18) 4164 |
          |      |       |            |        |   41256   |           |
          |------+-------+------------+--------+-----------+-----------|
          |  2   |  1MB  |    1MB     |  N/A   |   (18)    |   (18)    |
          |      |       |            |        |   41256   |   41256   |
          |------+-------+------------+--------+-----------+-----------|
          |  3   |  1MB  |   640KB    | 384KB  |   (18)    |   (18)    |
          |      |       |            |        |   41256   |   41256   |
          |------+-------+------------+--------+-----------+-----------|
          |  4   |  2MB  |    2MB     |  N/A   |   (18)    |   NONE    |
          |      |       |            |        |  411000   |           |
          |------+-------+------------+--------+-----------+-----------|
          |  5   |  2MB  |   640KB    | 1408KB |   (18)    |   NONE    |
          |      |       |            |        |  411000   |           |
          |------+-------+------------+--------+-----------+-----------|
          |  6   |  4MB  |    4MB     |  N/A   |   (18)    |   (18)    |
          |      |       |            |        |  411000   |  411000   |
          |------+-------+------------+--------+-----------+-----------|
          |  7   |  4MB  |   640KB    | 3456KB |   (18)    |   (18)    |
          |      |       |            |        |  411000   |  411000   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |    Mode     |    DSP1/6     |    DSP1/7     |    DSP1/8    |
          |-------------+---------------+---------------+--------------|
          |      0      |      On       |      On       |      On      |
          |-------------+---------------+---------------+--------------|
          |      1      |      On       |      On       |     Off      |
          |-------------+---------------+---------------+--------------|
          |      2      |      On       |      Off      |      On      |
          |-------------+---------------+---------------+--------------|
          |      3      |      On       |      Off      |     Off      |
          |-------------+---------------+---------------+--------------|
          |      4      |      Off      |      On       |      On      |
          |-------------+---------------+---------------+--------------|
          |      5      |      Off      |      On       |     Off      |
          |-------------+---------------+---------------+--------------|
          |      6      |      Off      |      Off      |      On      |
          |-------------+---------------+---------------+--------------|
          |      7      |      Off      |      Off      |     Off      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DRAM MODE CONFIGURATION                   |
          |------------------------------------------------------------|
          |            Setting            |            JP8             |
          |-------------------------------+----------------------------|
          |     Mode changes external     |           Closed           |
          |-------------------------------+----------------------------|
          |     Mode changes internal     |            Open            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 CLOCK SPEED CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Setting      |   DSP1/1   |      JP1      |    JP4     |
          |------------------+------------+---------------+------------|
          |    High speed    |    Off     |  pins 2 & 3   |    N/A     |
          |    (internal)    |            |    closed     |            |
          |------------------+------------+---------------+------------|
          |    Low speed     |     On     |  pins 2 & 3   |    N/A     |
          |    (internal)    |            |    closed     |            |
          |------------------+------------+---------------+------------|
          |    High speed    |    N/A     |  pins 1 & 2   |   Closed   |
          |    (external)    |            |    closed     |            |
          |------------------+------------+---------------+------------|
          |    Low speed     |    N/A     |  pins 1 & 2   |    Open    |
          |    (external)    |            |    closed     |            |
          |------------------------------------------------------------|
          |      Note: If JP4 is open, speed can be switched through   |
          |      the keyboard. High speed: CNTL, ALT, 2. Low speed:    |
          |      CNTL, ALT, 1. (Award BIOS only)                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                I/O WAIT STATE CONFIGURATION                |
          |------------------------------------------------------------|
          |    Wait states     |        JP3         |      DSP1/3      |
          |--------------------+--------------------+------------------|
          |         4          | pins 2 & 3 closed  |        On        |
          |--------------------+--------------------+------------------|
          |         6          | pins 2 & 3 closed  |       Off        |
          |--------------------+--------------------+------------------|
          |         6          | pins 1 & 2 closed  |       N/A        |
          |------------------------------------------------------------|
          | Note: The location of JP3 is unidentified.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     BIOS CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Type       |         JP9          |      DSP1/5      |
          |------------------+----------------------+------------------|
          |      27128       |  pins 1 & 2 closed   |        On        |
          |------------------+----------------------+------------------|
          |      27256       |  pins 2 & 3 closed   |       Off        |
          |------------------------------------------------------------|
          | Note: The location of JP9 is unidentified.                 |
          +------------------------------------------------------------+