(TXT) View Source
       
       # COMPAQ COMPUTER CORPORATION
       
          Portable (PLUS) (Model 00004-Rev. C or earlier)
       
          Processor             8088                                     
          Processor Speed       4.77MHz                                  
          Chip Set              None                                     
          Max. Onboard DRAM     640KB                                    
          Cache                 None                                     
          BIOS                  Compaq                                   
          Dimensions            372mm x 180mm                            
          I/O Options           None                                     
          NPU Options           8087                                     
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose            | Location | Purpose         | Location |
          |--------------------+----------+-----------------+----------|
          | Main power         |    P0    | Speaker         |   SPK    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                Function                | Switch | Position |
          |----------------------------------------+--------+----------|
          | » | Factory configured - do not alter  | SW1/1  |   Off    |
          |---+------------------------------------+--------+----------|
          | » | NPU disabled                       | SW1/2  |    On    |
          |---+------------------------------------+--------+----------|
          |   | NPU enabled                        | SW1/2  |   Off    |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  | SW1/3  |   Off    |
          |---+------------------------------------+--------+----------|
          | » | Factory configured - do not alter  | SW1/4  |   Off    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |  Size   |    Bank 0    |  Bank 1   |  Bank 2   |  Bank 3   |
          |---------+--------------+-----------+-----------+-----------|
          |  128KB  |   (9) 4164   | (9) 4164  |   NONE    |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |  192KB  |   (9) 4164   | (9) 4164  | (9) 4164  |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |  256KB  |   (9) 4164   | (9) 4164  | (9) 4164  | (9) 4164  |
          |---------+--------------+-----------+-----------+-----------|
          |  384KB  |   (9) 4164   | (9) 4164  | (9) 41256 |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |  448KB  |   (9) 4164   | (9) 4164  | (9) 4164  | (9) 41256 |
          |---------+--------------+-----------+-----------+-----------|
          |  512KB  |  (9) 41256   | (9) 41256 |   NONE    |   NONE    |
          |---------+--------------+-----------+-----------+-----------|
          |  544KB  |   (9) 4164   | (9) 4164  | (9) 41256 | (9) 41256 |
          |---------+--------------+-----------+-----------+-----------|
          |  640KB  |   (9) 4164   | (9) 4164  | (9) 41256 | (9) 41256 |
          |------------------------------------------------------------|
          | Note:640KB requires ROM version C or later in which case   |
          | SW2 switch settings are ignored.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM SWITCH CONFIGURATION                  |
          |------------------------------------------------------------|
          | Size |SW2/1 |SW2/2 |SW2/3 |SW2/4 |SW2/5 |SW2/6 |SW2/7|SW2/8|
          |------+------+------+------+------+------+------+-----+-----|
          |128KB |  On  | Off  |  On  |  On  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |192KB |  On  |  On  | Off  |  On  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |256KB |  On  | Off  | Off  |  On  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |320KB |  On  |  On  |  On  | Off  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |384KB |  On  | Off  |  On  | Off  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |448KB |  On  |  On  | Off  | Off  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |512KB |  On  | Off  | Off  | Off  | Off  | Off  | Off | Off |
          |------+------+------+------+------+------+------+-----+-----|
          |544KB | Off  | Off  | Off  | Off  | Off  | Off  | Off | Off |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 FLOPPY DRIVE CONFIGURATION                 |
          |------------------------------------------------------------|
          |  Drives installed  |       SW1/7       |       SW1/8       |
          |--------------------+-------------------+-------------------|
          |         1          |        On         |        On         |
          |--------------------+-------------------+-------------------|
          |         2          |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |         3          |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |         4          |        Off        |        Off        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   MONITOR CONFIGURATION                    |
          |------------------------------------------------------------|
          |            Type             |     SW1/5     |    SW1/6     |
          |-----------------------------+---------------+--------------|
          | 80 x 25 color (Compaq VDU)  |      On       |     Off      |
          |-----------------------------+---------------+--------------|
          | 40 x 25 color (Compaq VDU)  |      Off      |      On      |
          |-----------------------------+---------------+--------------|
          | 80 x 25 color (EGA or RGBI) |      On       |      On      |
          |-----------------------------+---------------+--------------|
          |         Monochrome          |      Off      |     Off      |
          +------------------------------------------------------------+