(TXT) View Source
       
       # COMPAQ COMPUTER CORPORATION
       
          PRESARIO 600 SERIES (486 WITH 4MB)
       
          Processor    80486SX/80487SX/ODP486SX/80486DX/80486DX2         
          Processor    25/33/50(internal)/66(internal)MHz                
          Speed        
          Chip Set     Unidentified                                      
          Max. Onboard 56MB                                              
          DRAM         
          Cache        None                                              
          BIOS         Unidentified                                      
          Dimensions   258mm x 218mm                                     
          I/O Options  Riser card slot, floppy drive interface, IDE      
                       interface, VGA port, serial ports (2), parallel   
                       port, PS/2 mouse port                             
          NPU Options  80487                                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          | Purpose            | Location | Purpose         | Location |
          |--------------------+----------+-----------------+----------|
          | IDE interface      |    J1    | Serial port 1   |    P2    |
          |--------------------+----------+-----------------+----------|
          | External           |    J5    | Serial port 2   |    P3    |
          |--------------------+----------+-----------------+----------|
          | PS/2 mouse port    |    J7    | VGA port        |    P4    |
          |--------------------+----------+-----------------+----------|
          | Floppy drive       |    J8    | Riser card slot |   SL1    |
          | interface          |          |                 |          |
          |--------------------+----------+-----------------+----------|
          | Parallel port      |    P1    |                 |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |               Function               | Jumper |  Position  |
          |--------------------------------------+--------+------------|
          | » | Factory configured - do not      |   J2   |    N/A     |
          |   | alter                            |        |            |
          |---+----------------------------------+--------+------------|
          | » | I/O address type select          |  J13   | pins 1 & 2 |
          |   | 398h/399h                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | I/O address type select          |  J13   | pins 1 & 2 |
          |   | 26Eh/26Fh                        |        |   closed   |
          |---+----------------------------------+--------+------------|
          | » | PGA CPU enabled                  |   P7   |    Open    |
          |---+----------------------------------+--------+------------|
          |   | PGA CPU disabled                 |   P7   | pins 2 & 3 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | PQFP CPU enabled                 |   P7   |    Open    |
          |---+----------------------------------+--------+------------|
          | » | CMOS memory normal operation     |  P14   | pins 1 & 2 |
          |   |                                  |        |   closed   |
          |---+----------------------------------+--------+------------|
          |   | CMOS memeory clear               |  P14   |    Open    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DRAM CONFIGURATION                     |
          |------------------------------------------------------------|
          | Size | Bank 0A |  Bank 0  |  Bank 1  |  Bank 2  |  Bank 3  |
          |------+---------+----------+----------+----------+----------|
          | 4MB  |   4MB   |   NONE   |   NONE   |   NONE   |   NONE   |
          |------+---------+----------+----------+----------+----------|
          | 5MB  |   4MB   | (1) 256K |   NONE   |   NONE   |   NONE   |
          |      |         |   x 36   |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 6MB  |   4MB   | (1) 256K | (1) 256K |   NONE   |   NONE   |
          |      |         |   x 36   |   x 36   |          |          |
          |------+---------+----------+----------+----------+----------|
          | 6MB  |   4MB   | (1) 512K |   NONE   |   NONE   |   NONE   |
          |      |         |   x 36   |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 7MB  |   4MB   | (1) 256K | (1) 256K | (1) 256K |   NONE   |
          |      |         |   x 36   |   x 36   |   x 36   |          |
          |------+---------+----------+----------+----------+----------|
          | 8MB  |   4MB   | (1) 256K | (1) 256K | (1) 256K | (1) 256K |
          |      |         |   x 36   |   x 36   |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 8MB  |   4MB   | (1) 512K | (1) 512K |   NONE   |   NONE   |
          |      |         |   x 36   |   x 36   |          |          |
          |------+---------+----------+----------+----------+----------|
          | 8MB  |   4MB   | (1) 1M x |   NONE   |   NONE   |   NONE   |
          |      |         |    36    |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 10MB |   4MB   | (1) 512K | (1) 512K | (1) 512K |   NONE   |
          |      |         |   x 36   |   x 36   |   x 36   |          |
          |------+---------+----------+----------+----------+----------|
          | 10MB |   4MB   | (1) 512K | (1) 512K | (1) 256K | (1) 256K |
          |      |         |   x 36   |   x 36   |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 10MB |   4MB   | (1) 256K | (1) 256K | (1) 512K | (1) 512K |
          |      |         |   x 36   |   x 36   |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 12MB |   4MB   | (1) 512K | (1) 512K | (1) 512K | (1) 512K |
          |      |         |   x 36   |   x 36   |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 12MB |   4MB   | (1) 1M x | (1) 1M x |   NONE   |   NONE   |
          |      |         |    36    |    36    |          |          |
          |------+---------+----------+----------+----------+----------|
          | 12MB |   4MB   | (1) 2M x |   NONE   |   NONE   |   NONE   |
          |      |         |    36    |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 14MB |   4MB   | (1) 1M x | (1) 1M x | (1) 256K | (1) 256K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 14MB |   4MB   | (1) 256K | (1) 256K | (1) 1M x | (1) 1M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 16MB |   4MB   | (1) 1M x | (1) 1M x | (1) 1M x |   NONE   |
          |      |         |    36    |    36    |    36    |          |
          |------+---------+----------+----------+----------+----------|
          | 16MB |   4MB   | (1) 1M x | (1) 1M x | (1) 512K | (1) 512K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 16MB |   4MB   | (1) 512K | (1) 512K | (1) 1M x | (1) 1M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 20MB |   4MB   | (1) 1M x | (1) 1M x | (1) 1M x | (1) 1M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 20MB |   4MB   | (1) 2M x | (1) 2M x |   NONE   |   NONE   |
          |      |         |    36    |    36    |          |          |
          |------+---------+----------+----------+----------+----------|
          | 20MB |   4MB   | (1) 4M x |   NONE   |   NONE   |   NONE   |
          |      |         |    36    |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 22MB |   4MB   | (1) 2M x | (1) 2M x | (1) 256K | (1) 256K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 22MB |   4MB   | (1) 256K | (1) 256K | (1) 2M x | (1) 2M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 24MB |   4MB   | (1) 2M x | (1) 2M x | (1) 512K | (1) 512K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 24MB |   4MB   | (1) 512K | (1) 512K | (1) 2M x | (1) 2M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 28MB |   4MB   | (1) 2M x | (1) 2M x | (1) 2M x |   NONE   |
          |      |         |    36    |    36    |    36    |          |
          |------+---------+----------+----------+----------+----------|
          | 28MB |   4MB   | (1) 2M x | (1) 2M x | (1) 1M x | (1) 1M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 28MB |   4MB   | (1) 1M x | (1) 1M x | (1) 2M x | (1) 2M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 36MB |   4MB   | (1) 2M x | (1) 2M x | (1) 2M x | (1) 2M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 36MB |   4MB   | (1) 4M x | (1) 4M x |   NONE   |   NONE   |
          |      |         |    36    |    36    |          |          |
          |------+---------+----------+----------+----------+----------|
          | 36MB |   4MB   | (1) 8M x |   NONE   |   NONE   |   NONE   |
          |      |         |    36    |          |          |          |
          |------+---------+----------+----------+----------+----------|
          | 38MB |   4MB   | (1) 4M x | (1) 4M x | (1) 256K | (1) 256K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------------------------------------------------------------|
          | Note: Bank 0A is factory installed and not configurable.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DRAM CONFIGURATION (CON’T)                 |
          |------------------------------------------------------------|
          | Size | Bank 0A |  Bank 0  |  Bank 1  |  Bank 2  |  Bank 3  |
          |------+---------+----------+----------+----------+----------|
          | 38MB |   4MB   | (1) 256K | (1) 256K | (1) 4M x | (1) 4M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 40MB |   4MB   | (1) 4M x | (1) 4M x | (1) 512K | (1) 512K |
          |      |         |    36    |    36    |   x 36   |   x 36   |
          |------+---------+----------+----------+----------+----------|
          | 40MB |   4MB   | (1) 512K | (1) 512K | (1) 4M x | (1) 4M x |
          |      |         |   x 36   |   x 36   |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 44MB |   4MB   | (1) 4M x | (1) 4M x | (1) 1M x | (1) 1M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 44MB |   4MB   | (1) 1M x | (1) 1M x | (1) 4M x | (1) 4M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 52MB |   4MB   | (1) 4M x | (1) 4M x | (1) 4M x |   NONE   |
          |      |         |    36    |    36    |    36    |          |
          |------+---------+----------+----------+----------+----------|
          | 52MB |   4MB   | (1) 4M x | (1) 4M x | (1) 2M x | (1) 2M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 52MB |   4MB   | (1) 2M x | (1) 2M x | (1) 4M x | (1) 4M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------+---------+----------+----------+----------+----------|
          | 56MB |   4MB   | (1) 4M x | (1) 4M x | (1) 4M x | (1) 1M x |
          |      |         |    36    |    36    |    36    |    36    |
          |------------------------------------------------------------|
          | Note: Bank 0A is factory installed and not configurable.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   CPU TYPE CONFIGURATION                   |
          |------------------------------------------------------------|
          |     Type      |        P9        |    P10     |    P11     |
          |---------------+------------------+------------+------------|
          | 80486SX (PGA) |    pins 1 & 2    | pins 1 & 2 | pins 3 & 4 |
          |               |      closed      |   closed   |   closed   |
          |---------------+------------------+------------+------------|
          |    80486SX    |    pins 2 & 3    | pins 1 & 2 | pins 3 & 4 |
          |    (PQFP)     |      closed      |   closed   |   closed   |
          |---------------+------------------+------------+------------|
          |    80487SX    |    pins 1 & 2    | pins 2 & 3 | pins 2 & 3 |
          |               |      closed      |   closed   |   closed   |
          |---------------+------------------+------------+------------|
          |    80486DX    |    pins 1 & 2    | pins 2 & 3 | pins 1 & 2 |
          |               |      closed      |   closed   |   closed   |
          |---------------+------------------+------------+------------|
          |   80486DX2    |    pins 1 & 2    | pins 2 & 3 | pins 1 & 2 |
          |               |      closed      |   closed   |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  CPU SPEED CONFIGURATION                   |
          |------------------------------------------------------------|
          |         CPU speed          |              P8               |
          |----------------------------+-------------------------------|
          |           25MHz            |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           33MHz            |       pins 1 & 2 closed       |
          |----------------------------+-------------------------------|
          |           50iMHz           |       pins 2 & 3 closed       |
          |----------------------------+-------------------------------|
          |           66iMHz           |       pins 1 & 2 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                ON-BOARD VIDEO CONFIGURATION                |
          |------------------------------------------------------------|
          |     Setting      |         P5         |         P6         |
          |------------------+--------------------+--------------------|
          |     Disabled     |        Open        |        Open        |
          |------------------+--------------------+--------------------|
          |     Enabled      | pins 1 & 2 closed  | pins 1 & 2 closed  |
          +------------------------------------------------------------+