QDI COMPUTER, INC.

P5I430VX-250 EXPLORER

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     128MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          250mm x 220mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), IR connector, USB
                    connectors (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       Reset switch                J3

  Serial port 1              CN2       Turbo LED                   J4

  Parallel port              CN3       Speaker                     J5

  Floppy drive interface     CN4       Power LED & keylock         J6

  IDE interface 2            CN5       PS/2 mouse interface        J7

  IDE interface 1            CN6       Chassis fan power           J8

  IR connector               IR1       USB connector 1            J10

  Green PC connector          J1       USB connector 2            J11

  IDE interface LED           J2       32-bit PCI slots         PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   CMOS memory normal operation            JP1           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP1           Pins 2 & 3
                                                              closed

                        DRAM CONFIGURATION

         Size                 Bank 0                Bank 1

         8MB               (2) 1M x 36               None

         16MB              (2) 2M x 36               None

         16MB              (2) 1M x 36            (2) 1M x 36

         24MB              (2) 2M x 36            (2) 1M x 36

         32MB              (2) 4M x 36               None

         32MB              (2) 2M x 36            (2) 2M x 36

         40MB              (2) 4M x 36            (2) 1M x 36

         48MB              (2) 4M x 36            (2) 2M x 36

         64MB              (2) 8M x 36               None

         64MB              (2) 4M x 36            (2) 4M x 36

         72MB              (2) 8M x 36            (2) 1M x 36

         80MB              (2) 8M x 36            (2) 2M x 36

         96MB              (2) 8M x 36            (2) 4M x 36

        128MB              (2) 8M x 36            (2) 8M x 36

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

               CACHE CONFIGURATION

      Size            Bank 0            TAG

      256KB        (2) 32K x 32    Unidentified

      512KB        (2) 64K x 32    Unidentified

  Note: The location of bank 0 is unidentified.

                        CPU SPEED SELECTION (CYRIX)

    CPU       Clock     Multiplier      JC1        JC2      JS1     JS2
   speed     speed

  120MHz     50MHz          2x        Closed     Closed    2 & 3   1 & 2

  133MHz     55MHz          2x         Open       Open     2 & 3   1 & 2

  150MHz     60MHz          2x        Closed      Open     2 & 3   1 & 2

  166MHz     66MHz          2x         Open      Closed    2 & 3   1 & 2

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU       Clock     Multiplier      JC1        JC2      JS1     JS2
   speed     speed

   75MHz     50MHz         1.5x       Closed     Closed    2 & 3   2 & 3

   90MHz     55MHz         1.5x        Open       Open     2 & 3   2 & 3

   90MHz     60MHz         1.5x       Closed      Open     2 & 3   2 & 3

  100MHz     66MHz         1.5x        Open      Closed    2 & 3   2 & 3

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock     Multiplier      JC1        JC2      JS1     JS2
   speed     speed

   75MHz     50MHz         1.5x       Closed     Closed    2 & 3   2 & 3

   90MHz     60MHz         1.5x       Closed      Open     2 & 3   2 & 3

  100MHz     66MHz         1.5x        Open      Closed    2 & 3   2 & 3

  120MHz     60MHz          2x        Closed      Open     2 & 3   1 & 2

  133MHz     66MHz          2x         Open      Closed    2 & 3   1 & 2

  150MHz     60MHz         2.5x       Closed      Open     1 & 2   1 & 2

  166MHz     66MHz         2.5x        Open      Closed    1 & 2   1 & 2

  180MHz     60MHz          3x        Closed      Open     1 & 2   2 & 3

  200MHz     66MHz          3x         Open      Closed    1 & 2   2 & 3

  Note: Pins designated should be in the closed position.

                CPU VOLTAGE SELECTION (SINGLE)

  Voltage     JV1        JV2       JV3        JV4       JV5

   3.3v      Closed    Closed      Open      1 & 2      N/A

   3.5v      Closed    Closed     Closed     1 & 2      N/A

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

      I/O       V core     JV1       JV2        JV3       JV4      JV5
   voltage

     3.3v        2.5       Open     Open       Open      2 & 3     Open

     3.3v        2.7       Open     Open       Open      2 & 3    1 & 2

     3.3v        2.9       Open     Open       Open      2 & 3    2 & 3

     3.5v        2.5       Open     Open      Closed     2 & 3     Open

     3.5v        2.7       Open     Open      Closed     2 & 3    2 & 3

     3.5v        2.9       Open     Open      Closed     2 & 3    2 & 3

  Note: Pins designated should be in the closed position.