(TXT) View Source
       
       # COMPAQ COMPUTER CORPORATION
       
          PRESARIO 500 SERIES
       
          Processor    80487SX/80486DX/80486DX2                          
          Processor    25/33/50(internal)/66(internal)MHz                
          Speed        
          Chip Set     Compaq                                            
          Max. Onboard 64MB                                              
          DRAM         
          Cache        None                                              
          BIOS         Unidentifed                                       
          Dimensions   330mm x 218mm                                     
          I/O Options  Game port, parallel port, PS/2 mouse port, serial 
                       port, microphone port, headphone port, line in    
                       port, line out port, modem port, telephone port,  
                       VESA feature connector                            
          NPU Options  None                                              
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose         | Location | Purpose            | Location |
          |-----------------+----------+--------------------+----------|
          | PS/2 mouse port |   CN1    | Line in port       |   CN8    |
          |-----------------+----------+--------------------+----------|
          | Game port       |   CN2    | Modem port         |   CN9    |
          |-----------------+----------+--------------------+----------|
          | Parallel port   |   CN3    | Telephone port     |   CN10   |
          |-----------------+----------+--------------------+----------|
          | Serial port     |   CN4    | VESA feature       |    J8    |
          |                 |          | connector          |          |
          |-----------------+----------+--------------------+----------|
          | Microphone port |   CN5    | External battery   |   J11    |
          |-----------------+----------+--------------------+----------|
          | Headphone port  |   CN6    | Riser Card         |   SL1    |
          |-----------------+----------+--------------------+----------|
          | Line out port   |   CN7    |                    |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | TV board I/O address select      |  J16   | pins 1 & 2 |
          |   | B18/B19                          |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | TV board I/O address select      |  J16   | pins 2 & 3 |
          |   | B28/B29                          |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory clear                |   P5   |   Closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memory normal operation     |   P5   |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          |       Size       |       Bank 0       |       Bank 1       |
          |------------------+--------------------+--------------------|
          |       4MB        |    (1) 1M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       8MB        |    (1) 2M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       12MB       |    (1) 1M x 36     |    (1) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       16MB       |    (1) 2M x 36     |    (1) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       16MB       |    (1) 4M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       20MB       |    (1) 1M x 36     |    (1) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       24MB       |    (1) 2M x 36     |    (1) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       24MB       |    (1) 4M x 36     |    (1) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (1) 4M x 36     |    (1) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       32MB       |    (1) 8M x 36     |        NONE        |
          |------------------+--------------------+--------------------|
          |       36MB       |    (1) 1M x 36     |    (1) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (1) 2M x 36     |    (1) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       40MB       |    (1) 8M x 36     |    (1) 2M x 36     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (1) 4M x 36     |    (1) 8M x 36     |
          |------------------+--------------------+--------------------|
          |       48MB       |    (1) 8M x 36     |    (1) 4M x 36     |
          |------------------+--------------------+--------------------|
          |       64MB       |    (1) 8M x 36     |    (1) 8M x 36     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |            Type            |              P2               |
          |----------------------------+-------------------------------|
          |          80486SX           |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |          80486DX           |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |          80487SX           |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |          80486DX2          |       pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |           Speed            |              P1               |
          |----------------------------+-------------------------------|
          |           25MHz            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           33MHz            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           50iMHz           |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           66iMHz           |       pins 2 & 3 closed       |
          +------------------------------------------------------------+