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

   PROFESSIONAL WORKSTATION 5100

   Device Type      Mainboard                                     
   Processor        Pentium II                                    
   Processor Speed  266/300MHz                                    
   Chip Set         Unidentified                                  
   Video Chip Set   None                                          
   Maximum Onboard  2GB (EDO supported)                           
   Memory           
   Maximum Video    None                                          
   Memory           
   Cache            256/512KB (located on Pentium II CPU)         
   BIOS             Unidentified                                  
   Dimensions       254mm x 218mm                                 
   I/O Options      Ethernet BNC connector, Ethernet 10BaseT      
                    connector, floppy drive interface, IDE        
                    interface, SCSI interface, Wide Ultra SCSI    
                    interface, parallel port, PS/2 mouse port,    
                    serial ports (2), riser slot, VRM connectors  
                    (2), USB connectors (2), ATX power connector, 
                    line in, line out, microphone in, headphone   
                    connector                                     
   NPU Options      None                                          

<gopher://bitreich.org/I/th99/m/C-D/35455-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose           | Location | Purpose          | Location |
   |-------------------+----------+------------------+----------|
   | ATX power         |   ATX    | Serial port 1    |   CN11   |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Power switch &    |    C1    | Parallel port    |   CN12   |
   | LEDs              |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Line in           |   CN1    | Ultra Wide SCSI  |   CN13   |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Line out          |   CN2    | PS/2 mouse port  |   CN14   |
   |-------------------+----------+------------------+----------|
   | Microphone in     |   CN3    | Floppy drive     |   CN15   |
   |                   |          | interface        |          |
   |-------------------+----------+------------------+----------|
   | Headphone         |   CN4    | SCSI interface   |   CN16   |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | USB connector 1   |   CN5    | IDE interface    |   CN17   |
   |-------------------+----------+------------------+----------|
   | USB connector 2   |   CN6    | External battery | J21/pins |
   |                   |          |                  |  1 - 4   |
   |-------------------+----------+------------------+----------|
   | Ethernet 10BaseT  |   CN7    | Riser slot       |   SL1    |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Ethernet BNC      |   CN8    | VRM connector    |   VRM1   |
   | connector         |          |                  |          |
   |-------------------+----------+------------------+----------|
   | Serial port 2     |   CN10   | VRM connector    |   VRM2   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Label |   Position   |
   |-------------------------------------+-------+--------------|
   |>> | Factory configured - do not     |  CN9  | Unidentified |
   |   | alter                           |       |              |
   |---+---------------------------------+-------+--------------|
   |>> | Battery type select internal    |  J21  |  Pins 6 & 7  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |   | Battery type select external    |  J21  |  Pins 5 & 6  |
   |   |                                 |       |    closed    |
   |---+---------------------------------+-------+--------------|
   |>> | Password enabled                | SW1/1 |     Off      |
   |---+---------------------------------+-------+--------------|
   |   | Password disabled               | SW1/1 |      On      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DIMM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       64MB       |    (4) 2M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (4) 4M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |      128MB       |    (4) 2M x 64     |    (4) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      192MB       |    (4) 4M x 64     |    (4) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      256MB       |    (4) 8M x 64     |        None        |
   |------------------+--------------------+--------------------|
   |      256MB       |    (4) 4M x 64     |    (4) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      320MB       |    (4) 8M x 64     |    (4) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      384MB       |    (4) 8M x 64     |    (4) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      512MB       |    (4) 16M x 64    |        None        |
   |------------------+--------------------+--------------------|
   |      512MB       |    (4) 8M x 64     |    (4) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      576MB       |    (4) 16M x 64    |    (4) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      640MB       |    (4) 16M x 64    |    (4) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      768MB       |    (4) 16M x 64    |    (4) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      1024MB      |    (4) 32M x 64    |        None        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 DIMM CONFIGURATION (CON'T)                 |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |      1024MB      |    (4) 16M x 64    |    (4) 16M x 64    |
   |------------------+--------------------+--------------------|
   |      1088MB      |    (4) 32M x 64    |    (4) 2M x 64     |
   |------------------+--------------------+--------------------|
   |      1152MB      |    (4) 32M x 64    |    (4) 4M x 64     |
   |------------------+--------------------+--------------------|
   |      1280MB      |    (4) 32M x 64    |    (4) 8M x 64     |
   |------------------+--------------------+--------------------|
   |      1536MB      |    (4) 32M x 64    |    (4) 16M x 64    |
   |------------------+--------------------+--------------------|
   |      2048MB      |    (4) 32M x 64    |    (4) 32M x 64    |
   |------------------------------------------------------------|
   | Note: Board accepts EDO memory.                            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   | Note: 256KB/512KB cache is located on the Pentium II CPU.  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CPU SPEED SELECTION                     |
   |------------------------------------------------------------|
   |CPU speed|  Clock  |Multiplier|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|
   |         |  speed  |          |     |     |     |     |     |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 266MHz  |  66MHz  |    4x    | Off | On  | On  | Off | Off |
   |---------+---------+----------+-----+-----+-----+-----+-----|
   | 300MHz  |  66MHz  |   4.5x   | Off | On  | Off | Off | Off |
   +------------------------------------------------------------+