(TXT) View Source
       
       # UNIDENTIFIED
       
          286 VLSI TURBO MAINBOARD
       
          Processor             80286                                    
          Processor Speed       12/16MHz                                 
          Chip Set              VLSI                                     
          Max. Onboard DRAM     4MB                                      
          Cache                 None                                     
          BIOS                  AMI/Award/Phoenix                        
          Dimensions            330mm x 218mm                            
          I/O Options           None                                     
          NPU Options           80287                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | External battery |   J13    | Power LED &       |   J16    |
          |                  |          | keylock           |          |
          |------------------+----------+-------------------+----------|
          | Turbo switch     |   J14    | Reset switch      |   J18    |
          |------------------+----------+-------------------+----------|
          | Turbo LED        |   J15    | Speaker           |   J19    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function              | Jumper |   Position   |
          |------------------------------------+--------+--------------|
          | » | IOCHRDY select normal          |   J4   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | IOCHRDY select add on card     |   J4   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Monitor type select color      |   J7   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Monitor type select monochrome |   J7   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          | » | Shadow BIOS enabled            |   J8   |     Open     |
          |---+--------------------------------+--------+--------------|
          |   | Shadow BIOS disabled           |   J8   |    Closed    |
          |---+--------------------------------+--------+--------------|
          | » | Parity check enabled           |  J12   |  pins 1 & 2  |
          |   |                                |        |    closed    |
          |---+--------------------------------+--------+--------------|
          |   | Parity check disabled          |  J12   |  pins 2 & 3  |
          |   |                                |        |    closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size  | Bank 0 |  P-0   | Bank 1 |  P-1   | Bank 2 | Bank  |
          |       |        |        |        |        |        |   3   |
          |-------+--------+--------+--------+--------+--------+-------|
          | 512KB |  (4)   |  (2)   |  NONE  |  NONE  |  NONE  | NONE  |
          |       | 44256  | 41256  |        |        |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          | 640KB |  (4)   |  (2)   |  (4)   |  (2)   |  NONE  | NONE  |
          |       | 44256  | 41256  |  4464  |  4164  |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  1MB  |  (4)   |  (2)   |  (4)   |  (2)   |  NONE  | NONE  |
          |       | 44256  | 41256  | 44256  | 41256  |        |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  2MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M | NONE  |
          |       |        |        |        |        |  x 9   |       |
          |-------+--------+--------+--------+--------+--------+-------|
          |  4MB  |  NONE  |  NONE  |  NONE  |  NONE  | (2) 1M |  (2)  |
          |       |        |        |        |        |  x 9   | 1M x  |
          |       |        |        |        |        |        |   9   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM JUMPER CONFIGURATION                  |
          |------------------------------------------------------------|
          |     Size     |      J9       |     J10      |     J11      |
          |--------------+---------------+--------------+--------------|
          |    512KB     |     Open      |    Closed    |    Closed    |
          |--------------+---------------+--------------+--------------|
          |    640KB     |    Closed     |     Open     |    Closed    |
          |--------------+---------------+--------------+--------------|
          |     1MB      |    Closed     |     Open     |    Closed    |
          |--------------+---------------+--------------+--------------|
          |     2MB      |     Open      |     Open     |     Open     |
          |--------------+---------------+--------------+--------------|
          |     4MB      |    Closed     |     Open     |     Open     |
          +------------------------------------------------------------+