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       # UNIDENTIFIED
       
          386SX-16 SYSTEM
       
          Processor        80286/80386SX                                 
          Processor Speed  16MHz                                         
          Chip Set         Headland                                      
          Video Chip Set   Ahead                                         
          Maximum Onboard  4MB                                           
          Memory           
          Maximum Video    1MB                                           
          Memory           
          Cache            None                                          
          BIOS             Phoenix                                       
          Dimensions       340mm x 300mm                                 
          I/O Options      Floppy drive interface, IDE interface,        
                           parallel port, serial port, VGA port          
          NPU Options      80287/80387SX                                 
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | IDE interface LED |   HDD2   | Parallel port    |    J7    |
          |-------------------+----------+------------------+----------|
          | Floppy drive      |    J2    | VGA port         |    J8    |
          | interface         |          |                  |          |
          |-------------------+----------+------------------+----------|
          | IDE interface     |    J4    | External battery |   JP3    |
          |-------------------+----------+------------------+----------|
          | Serial port       |    J6    | Reset switch     |   JP4    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |              Function               | Label |   Position   |
          |-------------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP2  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     |  JP5  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | Parallel port enabled           | JP11  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | Parallel port disabled          | JP11  |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | Serial port enabled             | JP12  |    Closed    |
          |---+---------------------------------+-------+--------------|
          |   | Serial port disabled            | JP12  |     Open     |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP16  | Unidentified |
          |   | alter                           |       |              |
          |---+---------------------------------+-------+--------------|
          |   | CGA emulation IRQ2 disabled     | JP300 |     Open     |
          |---+---------------------------------+-------+--------------|
          |   | CGA emulation IRQ2 enabled      | JP300 |    Closed    |
          |---+---------------------------------+-------+--------------|
          | » | Factory configured - do not     | JP303 | Unidentified |
          |   | alter                           |       |              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |      512KB       |    (2) 256K x 9    |        None        |
          |------------------+--------------------+--------------------|
          |       1MB        |    (2) 256K x 9    |    (2) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       2MB        |     (2) 1M x 9     |        None        |
          |------------------+--------------------+--------------------|
          |       4MB        |     (2) 1M x 9     |     (2) 1M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO MEMORY CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Size  |   Bank 0   |   Bank 1   |   Bank 2   |   Bank 3   |
          |--------+------------+------------+------------+------------|
          | 256KB  | (2) 44256  |    None    |    None    |    None    |
          |--------+------------+------------+------------+------------|
          | 512KB  | (2) 44256  | (2) 44256  |    None    |    None    |
          |--------+------------+------------+------------+------------|
          |  1MB   | (2) 44256  | (2) 44256  | (2) 44256  | (2) 44256  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             VIDEO MEMORY JUMPER CONFIGURATION              |
          |------------------------------------------------------------|
          |        Size        |       JP301       |       JP302       |
          |--------------------+-------------------+-------------------|
          |       256KB        |       Open        |       Open        |
          |--------------------+-------------------+-------------------|
          |       512KB        |       Open        |      Closed       |
          |--------------------+-------------------+-------------------|
          |        1MB         |      Closed       |      Closed       |
          +------------------------------------------------------------+