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       # NEC TECHNOLOGIES, INC.
       
          PowerMate 386/25S
       
          Processor        80386DX                                       
          Processor Speed  25MHz                                         
          Chip Set         Headland                                      
          Max. Onboard     16MB (on system memory card)                  
          DRAM             
          Cache            32KB                                          
          Dimensions       330.2mm x 218.4mm                             
          BIOS             Phoenix                                       
          I/O Options      Keyboard/Bus mouse interface card socket,     
                           serial port, parallel port, VGA port,         
                           proprietary video card sockets, proprietary   
                           system memory card slot                       
          NPU Options      80387/3167                                    
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose           | Location | Purpose          | Location |
          |-------------------+----------+------------------+----------|
          | Proprietary       |    J2    | Keyboard/Bus     |    P2    |
          | system memory     |          | mouse interface  |          |
          | card              |          |                  |          |
          |-------------------+----------+------------------+----------|
          | Speaker           |    J3    | Parallel port    |   P11    |
          |-------------------+----------+------------------+----------|
          | Proprietary video | J4, J5,  | Serial port      |   P12    |
          | card              |   & J6   |                  |          |
          |-------------------+----------+------------------+----------|
          | Riser Card        |    J7    | VGA port         |   P13    |
          |-------------------+----------+------------------+----------|
          | Drive power       |   J20    |                  |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                USER CONFIGURABLE SETTINGS                  |
          |------------------------------------------------------------|
          |             Function             |   Jumper   |  Position  |
          |----------------------------------+------------+------------|
          | » | Cache enabled                |    JP2     |   Closed   |
          |---+------------------------------+------------+------------|
          |   | Cache disabled               |    JP2     |    Open    |
          |---+------------------------------+------------+------------|
          | » | Keyboard gate select         | JP8 & JP9  | Pins 1 & 2 |
          |   | 8742/8042                    |            |   closed   |
          |---+------------------------------+------------+------------|
          |   | Keyboard gate select fast    | JP8 & JP9  | Pins 2 & 3 |
          |   | A20                          |            |   closed   |
          |---+------------------------------+------------+------------|
          | » | Keyboard controller test     |   JP111    |    Open    |
          |   | disabled                     |            |            |
          |---+------------------------------+------------+------------|
          |   | Keyboard controller test     |   JP111    |   Closed   |
          |   | enabled                      |            |            |
          |---+------------------------------+------------+------------|
          | » | Password enabled             |   JP112    |   Closed   |
          |---+------------------------------+------------+------------|
          |   | Password disabled            |   JP112    |    Open    |
          |---+------------------------------+------------+------------|
          | » | Test mode disabled           |    SW1     |    Open    |
          |---+------------------------------+------------+------------|
          |   | Test mode enabled            |    SW1     |   Closed   |
          |---+------------------------------+------------+------------|
          | » | Serial port enabled          | SW3/switch |   Closed   |
          |   |                              |     3      |            |
          |---+------------------------------+------------+------------|
          |   | Serial port disabled         | SW3/switch |    Open    |
          |   |                              |     3      |            |
          |---+------------------------------+------------+------------|
          | » | Parallel port enabled        | SW3/switch |   Closed   |
          |   |                              |     5      |            |
          |---+------------------------------+------------+------------|
          |   | Parallel port disabled       | SW3/switch |    Open    |
          |   |                              |     5      |            |
          |---+------------------------------+------------+------------|
          | » | Floppy drive interface       | SW3/switch |   Closed   |
          |   | enabled                      |     6      |            |
          |---+------------------------------+------------+------------|
          |   | Floppy drive interface       | SW3/switch |    Open    |
          |   | disabled                     |     6      |            |
          |---+------------------------------+------------+------------|
          | » | Floppy drive I/O port select | SW3/switch |    Open    |
          |   | first                        |     7      |            |
          |---+------------------------------+------------+------------|
          |   | Floppy drive I/O port select | SW3/switch |   Closed   |
          |   | second                       |     7      |            |
          |---+------------------------------+------------+------------|
          | » | Monitor type select          | SW3/switch |    Open    |
          |   | monochrome                   |     8      |            |
          |---+------------------------------+------------+------------|
          |   | Monitor type select color    | SW3/switch |   Closed   |
          |   |                              |     8      |            |
          |---+------------------------------+------------+------------|
          | » | IDE interface disabled       | SW3/switch |    Open    |
          |   |                              |     9      |            |
          |---+------------------------------+------------+------------|
          |   | IDE interface enabled        | SW3/switch |   Closed   |
          |   |                              |     9      |            |
          |---+------------------------------+------------+------------|
          | » | Bus mouse port disabled      | SW3/switch |    Open    |
          |   |                              |     10     |            |
          |---+------------------------------+------------+------------|
          |   | Bus mouse port enabled       | SW3/switch |   Closed   |
          |   |                              |     10     |            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    CACHE CONFIGURATION                     |
          |------------------------------------------------------------|
          | Note: 32 KB cache is factory installed and is not          |
          | configurable.                                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     NPU CONFIGURATION                      |
          |------------------------------------------------------------|
          |        Type        |        JP6         |      SW3/1       |
          |--------------------+--------------------+------------------|
          |      Disabled      | Pins 1 & 2 closed  |       Off        |
          |--------------------+--------------------+------------------|
          |        3167        | Pins 2 & 3 closed  |       Off        |
          |--------------------+--------------------+------------------|
          |       80387        | Pins 2 & 3 closed  |        On        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |      Setting       |        JP20        |      SW3/4       |
          |--------------------+--------------------+------------------|
          |     COM1/IRQ4      | Pins 2 & 3 closed  |       Off        |
          |--------------------+--------------------+------------------|
          |     COM2/IRQ3      | Pins 1 & 2 closed  |        On        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 VIDEO CARD CONFIGURATION                   |
          |------------------------------------------------------------|
          |      Setting       |       JP113        |      SW3/2       |
          |--------------------+--------------------+------------------|
          |      Enabled       |        Open        |        On        |
          |--------------------+--------------------+------------------|
          |      Disabled      |       Closed       |       Off        |
          +------------------------------------------------------------+
       
 (IMG) IMG 2
          
       
          +------------------------------------------------------------+
          |                    DRAM CONFIGURATION                      |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       2MB        |    (8) 256K x 9    |        NONE        |
          |------------------+--------------------+--------------------|
          |       4MB        |    (8) 256K x 9    |    (8) 256K x 9    |
          |------------------+--------------------+--------------------|
          |       8MB        |     (8) 1M x 9     |        NONE        |
          |------------------+--------------------+--------------------|
          |       10MB       |    (8) 256K x 9    |     (8) 1M x 9     |
          |------------------+--------------------+--------------------|
          |       16MB       |     (8) 1M x 9     |     (8) 1M x 9     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          |   Size    |   SW1/1    |   SW1/2   |   SW1/3   |   SW1/4   |
          |-----------+------------+-----------+-----------+-----------|
          |    2MB    |    Off     |    Off    |    Off    |    Off    |
          |-----------+------------+-----------+-----------+-----------|
          |    4MB    |    Off     |    Off    |    On     |    Off    |
          |-----------+------------+-----------+-----------+-----------|
          |    8MB    |    Off     |    On     |    Off    |    Off    |
          |-----------+------------+-----------+-----------+-----------|
          |   10MB    |    Off     |    On     |    On     |    Off    |
          |-----------+------------+-----------+-----------+-----------|
          |   16MB    |     On     |    Off    |    Off    |    Off    |
          |------------------------------------------------------------|
          | Note:SW1/4 is not used.                                    |
          +------------------------------------------------------------+