(TXT) View Source
       
       # UNIDENTIFIED
       
          YL-A09S/YL-A09H
       
          Processor             80286                                    
          Processor Speed       16MHz                                    
          Chip Set              Headland                                 
          Max. Onboard DRAM     5MB                                      
          Cache                 None                                     
          BIOS                  AMI                                      
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80287                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose             | Location | Purpose        | Location |
          |---------------------+----------+----------------+----------|
          | External battery    |   JP1    | Reset switch   |   JP8    |
          |---------------------+----------+----------------+----------|
          | Power LED & keylock |   JP6    | Turbo LED      |   JP9    |
          |---------------------+----------+----------------+----------|
          | Speaker             |   JP7    | Turbo switch   |   JP10   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          |   | Internal delay select     |      F13      | pins 2 & 3 |
          |   | GC113                     |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Internal delay select     |      F13      | pins 1 & 2 |
          |   | GC103                     |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |      JP5      |    N/A     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          |   | BIOS type select 27128    |     JP13      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | BIOS type select 27256    |     JP13      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | NPU mode select           |     JP14      | pins 2 & 3 |
          |   | synchronous with CPU      |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | NPU mode select           |     JP14      | pins 1 & 2 |
          |   | synchronous with          |               |   closed   |
          |   | oscillator installed at   |               |            |
          |   | Y3                        |               |            |
          |---+---------------------------+---------------+------------|
          | » | Parity check enabled      |     JP15      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Parity check disabled     |     JP15      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select color |     SW1/5     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |     SW1/5     |    Off     |
          |   | monochrome                |               |            |
          |---+---------------------------+---------------+------------|
          | » | Shadow RAM enabled        |     SW1/6     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | Shadow RAM disabled       |     SW1/6     |     On     |
          |---+---------------------------+---------------+------------|
          | » | Bus speed select fast     |     SW1/7     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | Bus speed select slow     |     SW1/7     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0  | Bank 1 | Bank 2 | Bank 3 | Bank  | Bank  |
          |       |         |        |        |        |   4   |   5   |
          |-------+---------+--------+--------+--------+-------+-------|
          | 512KB |   (4)   |  NONE  |  NONE  |  NONE  | NONE  | NONE  |
          |       |  44256  |        |        |        |       |       |
          |-------+---------+--------+--------+--------+-------+-------|
          | 512KB |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  | NONE  |
          |       |         |        |        |        | 256K  |       |
          |       |         |        |        |        |  x 9  |       |
          |-------+---------+--------+--------+--------+-------+-------|
          |  1MB  |   (4)   |  (4)   |  NONE  |  NONE  | NONE  | NONE  |
          |       |  44256  | 44256  |        |        |       |       |
          |-------+---------+--------+--------+--------+-------+-------|
          |  1MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
          |       |         |        |        |        | 256K  | 256K  |
          |       |         |        |        |        |  x 9  |  x 9  |
          |-------+---------+--------+--------+--------+-------+-------|
          | 1.5MB |   (4)   |  (4)   |  (4)   |  NONE  | NONE  | NONE  |
          |       |  44256  | 44256  | 44256  |        |       |       |
          |-------+---------+--------+--------+--------+-------+-------|
          | 1.5MB |  NONE   |  NONE  |  (4)   |  NONE  |  (2)  |  (2)  |
          |       |         |        | 44256  |        | 256K  | 256K  |
          |       |         |        |        |        |  x 9  |  x 9  |
          |-------+---------+--------+--------+--------+-------+-------|
          |  2MB  |   (4)   |  (4)   |  (4)   |  (4)   | NONE  | NONE  |
          |       |  44256  | 44256  | 44256  | 44256  |       |       |
          |-------+---------+--------+--------+--------+-------+-------|
          |  2MB  |  NONE   |  NONE  |  (4)   |  (4)   |  (2)  |  (2)  |
          |       |         |        | 44256  | 44256  | 256K  | 256K  |
          |       |         |        |        |        |  x 9  |  x 9  |
          |-------+---------+--------+--------+--------+-------+-------|
          |  2MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  | NONE  |
          |       |         |        |        |        | 1M x  |       |
          |       |         |        |        |        |   9   |       |
          |-------+---------+--------+--------+--------+-------+-------|
          |  4MB  |  NONE   |  NONE  |  NONE  |  NONE  |  (2)  |  (2)  |
          |       |         |        |        |        | 1M x  | 1M x  |
          |       |         |        |        |        |   9   |   9   |
          |-------+---------+--------+--------+--------+-------+-------|
          |  5MB  |  NONE   |  NONE  |  (4)   |  (4)   |  (2)  |  (2)  |
          |       |         |        | 44256  | 44256  | 1M x  | 1M x  |
          |       |         |        |        |        |   9   |   9   |
          |------------------------------------------------------------|
          | Note:Locations of Banks 0, 1, 2, & 3 are unidentified.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              DRAM JUMPER/SWITCH CONFIGURATION              |
          |------------------------------------------------------------|
          | Size  |   JP11    |  JP12  | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
          |-------+-----------+--------+-------+-------+-------+-------|
          | 512KB | 2 & 3, 5  | 2 & 3, |  On   |  Off  |  Off  |  Off  |
          |       | & 6, 8 &  | 5 & 6, |       |       |       |       |
          |       |     9     | 8 & 9  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          | 512KB | 1 & 2, 4  | 1 & 2, |  On   |  Off  |  Off  |  Off  |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  1MB  | 2 & 3, 5  | 2 & 3, |  Off  |  On   |  Off  |  Off  |
          |       | & 6, 8 &  | 5 & 6, |       |       |       |       |
          |       |     9     | 8 & 9  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  1MB  | 1 & 2, 4  | 1 & 2, |  Off  |  On   |  Off  |  Off  |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          | 1.5MB | 2 & 3, 5  | 2 & 3, |  Off  |  Off  |  On   |  Off  |
          |       | & 6, 8 &  | 5 & 6, |       |       |       |       |
          |       |     9     | 8 & 9  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          | 1.5MB | 1 & 2, 4  | 1 & 2, |  Off  |  Off  |  On   |  Off  |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  2MB  | 2 & 3, 5  | 2 & 3, |  Off  |  On   |  On   |  Off  |
          |       | & 6, 8 &  | 5 & 6, |       |       |       |       |
          |       |     9     | 8 & 9  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  2MB  | 1 & 2, 4  | 1 & 2, |  Off  |  On   |  On   |  Off  |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  2MB  | 1 & 2, 4  | 1 & 2, |  Off  |  Off  |  Off  |  On   |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  4MB  | 1 & 2, 4  | 1 & 2, |  Off  |  On   |  Off  |  On   |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |-------+-----------+--------+-------+-------+-------+-------|
          |  5MB  | 1 & 2, 4  | 1 & 2, |  On   |  On   |  On   |  On   |
          |       | & 5, 7 &  | 4 & 5, |       |       |       |       |
          |       |     8     | 7 & 8  |       |       |       |       |
          |------------------------------------------------------------|
          | Note:Pins designated should be in the closed postion       |
          +------------------------------------------------------------+