COMPAQ COMPUTER CORPORATION
===========================

   DESKPRO 386s

   (Models 001148, 001157, 001644)

   Processor        80386SX                                       
   Processor Speed  16MHz                                         
   Chip Set         Compaq                                        
   Max. Onboard     1MB                                           
   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      80387SX                                       

<gopher://bitreich.org/I/th99/m/C-D/30876-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          | Location | Purpose           | Location |
   |------------------+----------+-------------------+----------|
   | External battery |   BAT    | IDE interface     |   FD2    |
   |------------------+----------+-------------------+----------|
   | Bus mouse port   |   CN1    | Proprietary       |    M1    |
   |                  |          | system memory     |          |
   |                  |          | card              |          |
   |------------------+----------+-------------------+----------|
   | Parallel port    |   CN2    | Speaker           |   SPK    |
   |------------------+----------+-------------------+----------|
   | Serial port      |   CN3    | Main power        |    P0    |
   |------------------+----------+-------------------+----------|
   | VGA port         |   CN4    | Drive power plugs |  P1-P3   |
   |------------------+----------+-------------------+----------|
   | Fan power        |   FAN    | VGA feature       |    V1    |
   |                  |          | connector         |          |
   |------------------+----------+-------------------+----------|
   | 3.5 inch floppy  |   FD1    |                   |          |
   | drive interface  |          |                   |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function            | Jumper/Switch |  Position  |
   |-------------------------------+---------------+------------|
   |>> | Mouse port enabled        |      E4       | pins 2 & 3 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |   | Mouse port disabled       |      E4       | pins 1 & 2 |
   |   |                           |               |   closed   |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      E3       |   Closed   |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |      E10      |   Closed   |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Fail safe timer enabled   |     SW1/1     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Fail safe timer disabled  |     SW1/1     |    Off     |
   |---+---------------------------+---------------+------------|
   |>> | NPU enabled               |     SW1/2     |     On     |
   |---+---------------------------+---------------+------------|
   |   | NPU disabled              |     SW1/2     |    Off     |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/3     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | CPU speed 16MHz           |     SW1/4     |    Off     |
   |---+---------------------------+---------------+------------|
   |   | CPU speed 16MHz; 8MHz     |     SW1/4     |     On     |
   |   | when accessing floppy     |               |            |
   |   | drive                     |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Factory configured - do   |     SW1/5     |    Off     |
   |   | not alter                 |               |            |
   |---+---------------------------+---------------+------------|
   |>> | Monitor type select color |     SW1/6     |     On     |
   |---+---------------------------+---------------+------------|
   |   | Monitor type select       |     SW1/6     |    Off     |
   |   | monochrome                |               |            |
   |---+---------------------------+---------------+------------|
   |>> | 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     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 BASE MEMORY CONFIGURATION                  |
   |------------------------------------------------------------|
   |    Base memory     |       SW3/1       |       SW3/2       |
   |--------------------+-------------------+-------------------|
   |       256KB        |        Off        |        Off        |
   |--------------------+-------------------+-------------------|
   |       512KB        |        On         |        Off        |
   |--------------------+-------------------+-------------------|
   |       640KB        |        On         |        On         |
   |--------------------+-------------------+-------------------|
   |      Reserved      |        Off        |        On         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Card    |    Module A     |    Module B    |
   |------------+------------+-----------------+----------------|
   |    1MB     |    NONE    |      NONE       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    2MB     |    1MB     |      NONE       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    3MB     |    1MB     |       1MB       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    4MB     |    1MB     |       1MB       |      1MB       |
   |------------+------------+-----------------+----------------|
   |    5MB     |    4MB     |      NONE       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    6MB     |    1MB     |       4MB       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    7MB     |    1MB     |       1MB       |      4MB       |
   |------------+------------+-----------------+----------------|
   |    9MB     |    4MB     |       4MB       |      NONE      |
   |------------+------------+-----------------+----------------|
   |    10MB    |    1MB     |       4MB       |      4MB       |
   |------------+------------+-----------------+----------------|
   |    13MB    |    4MB     |       4MB       |      4MB       |
   |------------------------------------------------------------|
   | Note:A 1MB or 4MB card may be installed and either 1MB or  |
   | 4MB modules installed on that card.                        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DRAM SWITCH CONFIGURATION                  |
   |------------------------------------------------------------|
   |   Size    |   SW3/3    |   SW3/4   |   SW3/5   |   SW3/6   |
   |-----------+------------+-----------+-----------+-----------|
   |    1MB    |     On     |    On     |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    2MB    |     On     |    On     |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    3MB    |     On     |    On     |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    4MB    |     On     |    On     |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    5MB    |    Off     |    On     |    On     |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |    6MB    |     On     |    Off    |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    7MB    |     On     |    Off    |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    9MB    |    Off     |    On     |    Off    |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |   10MB    |     On     |    Off    |    Off    |    Off    |
   |-----------+------------+-----------+-----------+-----------|
   |   13MB    |    Off     |    On     |    Off    |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                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         |
   +------------------------------------------------------------+