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       # COMPAQ COMPUTER CORPORATION
       
          DESKPRO 286e (Model 001226)
       
          Processor        80286                                         
          Processor Speed  12MHz                                         
          Chip Set         Compaq                                        
          Max. Onboard     1MB (12MB on system memory card)              
          DRAM             
          Cache            None                                          
          BIOS             Compaq                                        
          Dimensions       332mm x 333mm                                 
          I/O Options      VGA feature connector, floppy drive           
                           interface, IDE interface, proprietary system  
                           memory card slot, parallel port, serial port, 
                           VGA port, bus mouse                           
          NPU Options      80287                                         
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose          | Location | Purpose           | Location |
          |------------------+----------+-------------------+----------|
          | Bus mouse port   |   CN1    | IDE interface     |   FD2    |
          |------------------+----------+-------------------+----------|
          | Parallel port    |   CN2    | Proprietary       |    M1    |
          |                  |          | system memory     |          |
          |                  |          | card              |          |
          |------------------+----------+-------------------+----------|
          | Serial port      |   CN3    | Speaker           |   SPK    |
          |------------------+----------+-------------------+----------|
          | VGA port         |   CN4    | Main power        |    P0    |
          |------------------+----------+-------------------+----------|
          | Fan power        |   FAN    | Drive power plugs |   P1-3   |
          |------------------+----------+-------------------+----------|
          | 3.5 inch floppy  |   FD1    | VGA feature       |    V1    |
          | drive interface  |          | connector         |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |           Function            | Jumper/Switch |  Position  |
          |-------------------------------+---------------+------------|
          | » | Mouse port enabled        |      E4       | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Mouse port disabled       |      E4       | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Local bus hidden refresh  |      E6       | pins 2 & 3 |
          |   | enabled                   |               |   closed   |
          |---+---------------------------+---------------+------------|
          |   | Local bus hidden refresh  |      E6       | pins 1 & 2 |
          |   | disabled                  |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | NPU speed select 12MHz    |      E11      | pins 2 & 3 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | NPU speed select 8MHz     |      E11      | pins 1 & 2 |
          |   |                           |               |   closed   |
          |---+---------------------------+---------------+------------|
          | » | Option ROM disabled       |     SW1/3     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | Option ROM enabled        |     SW1/3     |     On     |
          |---+---------------------------+---------------+------------|
          | » | CPU speed select          |     SW1/4     |     On     |
          |   | automatic at power-on     |               |            |
          |---+---------------------------+---------------+------------|
          |   | CPU speed select high at  |     SW1/4     |    Off     |
          |   | power-on                  |               |            |
          |---+---------------------------+---------------+------------|
          | » | Factory configured - do   |     SW1/5     |    Off     |
          |   | not alter                 |               |            |
          |---+---------------------------+---------------+------------|
          | » | Monitor type select color |     SW1/6     |     On     |
          |---+---------------------------+---------------+------------|
          |   | Monitor type select       |     SW1/6     |    Off     |
          |   | monochrome (MDA)          |               |            |
          |---+---------------------------+---------------+------------|
          | » | IDE address select        |     SW2/1     |    Off     |
          |   | 1Fx;primary floppy        |               |            |
          |   | address select 3Fx        |               |            |
          |---+---------------------------+---------------+------------|
          |   | IDE address select        |     SW2/1     |     On     |
          |   | 17x;secondary floppy      |               |            |
          |   | address select 37x        |               |            |
          |---+---------------------------+---------------+------------|
          | » | Password enabled          |     SW2/2     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | Password disabled         |     SW2/2     |     On     |
          |---+---------------------------+---------------+------------|
          | » | IDE drive interface       |     SW2/3     |    Off     |
          |   | enabled                   |               |            |
          |---+---------------------------+---------------+------------|
          |   | IDE drive interface       |     SW2/3     |     On     |
          |   | disabled                  |               |            |
          |---+---------------------------+---------------+------------|
          | » | VGA port enabled          |     SW2/8     |    Off     |
          |---+---------------------------+---------------+------------|
          |   | VGA port disabled         |     SW2/8     |     On     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |        Size        |       SW1/1       |       SW1/2       |
          |--------------------+-------------------+-------------------|
          |       256KB        |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |       512KB        |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |       640KB        |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |      Reserved      |        Off        |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |      Setting       |       SW2/6       |       SW2/7       |
          |--------------------+-------------------+-------------------|
          |    LPT1 at 3Bx     |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |    LPT2 at 37x     |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |      Disabled      |        On         |        On         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |      Setting       |       SW2/4       |       SW2/5       |
          |--------------------+-------------------+-------------------|
          |    COM1 at IRQ4    |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |    COM2 at IRQ3    |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |      Disabled      |        On         |        On         |
          +------------------------------------------------------------+