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

   HP VECTRA 500 MODEL 522, VL 5/XXX SERIES 3

   Device Type      Mainboard                                     
   Processor        Pentium                                       
   Processor Speed  75/90/100/120MHz                              
   Chip Set         Unidentified                                  
   Video Chip Set   Cirrus Logic                                  
   Maximum Onboard  192MB                                         
   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, video   
                    memory slot                                   
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/E-H/35386-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | External battery  |    C1    | Parallel port    |   CN5    |
   |-------------------+----------+------------------+----------|
   | Speaker           |    C2    | IDE interface 1  |   CN6    |
   |-------------------+----------+------------------+----------|
   | SCSI interface    |    C3    | IDE interface 2  |   CN7    |
   | LED               |          |                  |          |
   |-------------------+----------+------------------+----------|
   | VGA port          |   CN1    | Floppy drive     |   CN8    |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | PS/2 mouse port   |   CN2    | VGA feature      |   CN9    |
   |                   |          | connector        |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN3    | Video memory     |   SL1    |
   |                   |          | slot             |          |
   |-------------------+----------+------------------+----------|
   | Serial port 1     |   CN4    |                  |          |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label  | Position  |
   |---------------------------------------+--------+-----------|
   |>> | Flash BIOS update enabled         | SW1/1  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |   | Flash BIOS update disabled        | SW1/1  |    On     |
   |---+-----------------------------------+--------+-----------|
   |>> | Factory configured - do not alter | SW1/2  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |>> | CMOS memory normal operation      | SW1/3  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |   | CMOS memory clear                 | SW1/3  |    On     |
   |---+-----------------------------------+--------+-----------|
   |>> | Password enabled                  | SW1/4  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |   | Password disabled                 | SW1/4  |    On     |
   |---+-----------------------------------+--------+-----------|
   |>> | Memory parity disabled            | SW1/5  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |   | Memory parity enabled             | SW1/5  |    On     |
   |---+-----------------------------------+--------+-----------|
   |>> | Factory configured - do not alter | SW1/7  |    Off    |
   |---+-----------------------------------+--------+-----------|
   |>> | Factory configured - do not alter | SW1/8  |    Off    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     SIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |    Bank 0     |    Bank 1     |    Bank 2     |
   |------------+---------------+---------------+---------------|
   |    8MB     |  (2) 1M x 36  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (2) 1M x 36  |  (2) 1M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |    16MB    |  (2) 2M x 36  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    24MB    |  (2) 1M x 36  |  (2) 1M x 36  |  (2) 1M x 36  |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (2) 2M x 36  |  (2) 2M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |    32MB    |  (2) 4M x 36  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    48MB    |  (2) 2M x 36  |  (2) 2M x 36  |  (2) 2M x 36  |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (2) 4M x 36  |  (2) 4M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |    64MB    |  (2) 8M x 36  |     None      |     None      |
   |------------+---------------+---------------+---------------|
   |    96MB    |  (2) 4M x 36  |  (2) 4M x 36  |  (2) 4M x 36  |
   |------------+---------------+---------------+---------------|
   |   128MB    |  (2) 8M x 36  |  (2) 8M x 36  |     None      |
   |------------+---------------+---------------+---------------|
   |   192MB    |  (2) 8M x 36  |  (2) 8M x 36  |  (2) 8M x 36  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB cache is factory installed and is not          |
   | configurable. The location is unidentified.                |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |      Size      |      Bank 0      |          SL1           |
   |----------------+------------------+------------------------|
   |      1MB       |       1MB        |     Not installed      |
   |----------------+------------------+------------------------|
   |      2MB       |       1MB        |  1MB module installed  |
   |------------------------------------------------------------|
   | Note: Bank 0 is factory installed and is not configurable. |
   | The location is unidentified.                              |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   | CPU speed | Clock speed | Multiplier |     J6      | SW1/6 |
   |-----------+-------------+------------+-------------+-------|
   |   75MHz   |    50MHz    |    1.5x    | Pins 5 & 6  |  Off  |
   |           |             |            |   closed    |       |
   |-----------+-------------+------------+-------------+-------|
   |   90MHz   |    60MHz    |    1.5x    | Pins 3 & 4  |  Off  |
   |           |             |            |   closed    |       |
   |-----------+-------------+------------+-------------+-------|
   |  100MHz   |    66MHz    |    1.5x    | Pins 1 & 2  |  Off  |
   |           |             |            |   closed    |       |
   |-----------+-------------+------------+-------------+-------|
   |  120MHz   |    60MHz    |     2x     | Pins 3 & 4  |  On   |
   |           |             |            |   closed    |       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |          Voltage           |              J27              |
   |----------------------------+-------------------------------|
   |            VCC             |       Pins 1 & 2 closed       |
   |----------------------------+-------------------------------|
   |             VR             |       Pins 3 & 4 closed       |
   |----------------------------+-------------------------------|
   |            VRE             |       Pins 5 & 6 closed       |
   +------------------------------------------------------------+