HEWLETT-PACKARD COMPANY
=======================

   HP VECTRA 500 MODEL 502, 512, 514

   Device Type      Mainboard                                     
   Processor        80486DX4                                      
   Processor Speed  100(internal)MHz                              
   Chip Set         Unidentified                                  
   Video Chip Set   Unidentified                                  
   Maximum Onboard  64MB                                          
   Memory           
   Maximum Video    2MB                                           
   Memory           
   Cache            256KB                                         
   BIOS             Unidentified                                  
   Dimensions       254mm x 218mm                                 
   I/O Options      Floppy drive interface, IDE interfaces (2),   
                    parallel port, PS/2 mouse port, serial ports  
                    (2), VGA feature connector, VGA port, cache   
                    slot                                          
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/E-H/35431-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | Status panel      |    C1    | PS/2 mouse port  |   CN5    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | External battery  |    C2    | IDE interface    |   CN6    |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN1    | IDE interface    |   CN7    |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN2    | Floppy drive     |   CN8    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN3    | VGA feature      |   CN9    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Parallel port     |   CN4    | Cache slot       |   SL1    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |             Function             | Label |    Position     |
   |----------------------------------+-------+-----------------|
   |>> | CMOS memory normal operation |  JP5  |   Pins 1 & 2    |
   |   |                              |       |     closed      |
   |---+------------------------------+-------+-----------------|
   |   | CMOS memory clear            |  JP5  |   Pins 2 & 3    |
   |   |                              |       |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       4MB        |    (1) 1M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 2M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       8MB        |    (1) 1M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       12MB       |    (1) 2M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 4M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (1) 2M x 36     |    (1) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       20MB       |    (1) 4M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (1) 4M x 36     |    (1) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       24MB       |    (1) 2M x 36     |    (1) 2M x 36     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (1) 8M x 36     |        None        |
   |------------------+--------------------+--------------------|
   |       36MB       |    (1) 8M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       40MB       |    (1) 8M x 36     |    (1) 1M x 36     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (1) 8M x 36     |    (1) 4M x 36     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (1) 8M x 36     |    (1) 8M x 36     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |            Size            |              SL1              |
   |----------------------------+-------------------------------|
   |            None            |         Not installed         |
   |----------------------------+-------------------------------|
   |           256KB            |    256KB module installed     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  CACHE TYPE CONFIGURATION                  |
   |------------------------------------------------------------|
   |        Type        |        JP8        |       JP10        |
   |--------------------+-------------------+-------------------|
   |>> | Write through  | Pins 2 & 3 closed | Pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |   Write back   | Pins 1 & 2 closed | Pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       1MB        |   (2) 256K x 16    |        None        |
   |------------------+--------------------+--------------------|
   |       2MB        |   (2) 256K x 16    |   (2) 256K x 16    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |           Speed            |             JP13              |
   |----------------------------+-------------------------------|
   |          100iMHz           |       Pins 1 & 2 closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     CPU TYPE SELECTION                     |
   |------------------------------------------------------------|
   |            Type            |             JP16              |
   |----------------------------+-------------------------------|
   |          80486DX4          |       Pins 2 & 3 closed       |
   +------------------------------------------------------------+