
QDI COMPUTER, INC.

P5I430VX-250DM EXPLORER II

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), cache slot, IR
                    connector, USB connectors (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1              CN1       IDE interface LED           J5

  Serial port 2              CN2       Turbo LED                   J6

  Parallel port              CN3       IR connector                J7

  Floppy drive interface     CN4       USB connector 1             J8

  IDE interface 2            CN5       USB connector 2             J9

  IDE interface 1            CN6       Chassis fan power          J10

  Green PC connector          J1       PS/2 mouse interface       J13

  Reset switch                J2       32-bit PCI slots         PC1 - PC4

  Speaker                     J3       Cache slot                 SL1

  Power LED & keylock         J4

                        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        Bank 2

      8MB       (2) 1M x 36        None          None

      8MB           None           None       (1) 1M x 64

     16MB       (2) 2M x 36        None          None

     16MB       (2) 1M x 36    (2) 1M x 36       None

     16MB           None           None       (1) 2M x 64

     24MB       (2) 1M x 36    (2) 1M x 36    (1) 1M x 64

     24MB           None       (2) 1M x 36    (1) 2M x 64

     24MB       (2) 2M x 36    (2) 1M x 36       None

     24MB       (2) 1M x 36    (2) 2M x 36       None

     32MB       (2) 1M x 36    (2) 2M x 36    (1) 1M x 64

     32MB           None       (2) 2M x 36    (1) 2M x 64

     32MB           None           None       (1) 4M x 64

     32MB       (2) 4M x 36        None          None

     32MB       (2) 2M x 36    (2) 2M x 36       None

     40MB       (2) 4M x 36    (2) 1M x 36       None

     48MB       (2) 4M x 36    (2) 1M x 36    (1) 1M x 64

     48MB       (2) 1M x 36    (2) 1M x 36    (1) 4M x 64

     48MB           None       (2) 4M x 36    (1) 2M x 64

     48MB       (2) 4M x 36    (2) 2M x 36       None

     56MB       (2) 4M x 36    (2) 2M x 36    (1) 1M x 64

     56MB       (2) 1M x 36    (2) 2M x 36    (1) 4M x 64

     64MB           None           None       (1) 8M x 64

     64MB       (2) 8M x 36        None          None

     64MB       (2) 4M x 36    (2) 4M x 36       None

                DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2

     72MB       (2) 4M x 36    (2) 4M x 36    (1) 1M x 64

     72MB       (2) 4M x 36    (2) 1M x 36    (1) 4M x 64

     72MB           None       (2) 1M x 36    (1) 8M x 64

     72MB       (2) 8M x 36    (2) 1M x 36       None

     80MB       (2) 1M x 36    (2) 8M x 36    (1) 1M x 64

     80MB       (2) 4M x 36    (2) 2M x 36    (1) 4M x 64

     80MB           None       (2) 8M x 36    (1) 2M x 64

     80MB           None       (2) 2M x 36    (1) 8M x 64

     80MB       (2) 8M x 36    (2) 2M x 36       None

     96MB       (2) 4M x 36    (2) 4M x 36    (1) 4M x 64

     96MB           None       (2) 4M x 36    (1) 8M x 64

     96MB       (2) 8M x 36    (2) 4M x 36       None

     104MB      (2) 4M x 36    (2) 8M x 36    (1) 1M x 64

     104MB      (2) 1M x 36    (2) 8M x 36    (1) 4M x 64

     128MB      (2) 4M x 36    (2) 8M x 36    (1) 4M x 64

     128MB          None       (2) 8M x 36    (1) 8M x 64

     128MB      (2) 8M x 36    (2) 8M x 36       None

  Note: Board accepts EDO memory.

                            CACHE CONFIGURATION

      Size          Bank 0             SL1                   TAG

     256KB       (2) 32K x 32     Not installed          Unidentified

     256KB           None          256KB module          Unidentified
                                    installed

     512KB       (2) 32K x 32      256KB module          Unidentified
                                    installed

     512KB           None          512KB module          Unidentified
                                    installed

     512KB       (2) 64K x 32     Not installed          Unidentified

  Note: The location of bank 0 is unidentified.

                        CPU SPEED SELECTION (CYRIX)

    CPU        Clock    Multiplier    JC1     JC2    JC3     JS1     JS2
   speed      speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU        Clock    Multiplier    JC1     JC2    JC3     JS1     JS2
   speed      speed

   75MHz      50MHz        1.5x        1 &    1 &     2 &    2 &    2 & 3
                                       2       2      3       3

   90MHz      60MHz        1.5x        1 &    2 &     2 &    2 &    2 & 3
                                       2       3      3       3

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU        Clock    Multiplier    JC1     JC2    JC3     JS1     JS2
   speed      speed

   75MHz      50MHz        1.5x        1 &    1 &     2 &    2 &    2 & 3
                                       2       2      3       3

   90MHz      60MHz        1.5x        1 &    2 &     2 &    2 &    2 & 3
                                       2       3      3       3

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

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

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

  150MHz      60MHz        2.5x        1 &    2 &     2 &    1 &    1 & 2
                                       2       3      3       2

  166MHz      66MHz        2.5x        2 &    2 &     2 &    1 &    1 & 2
                                       3       3      3       2

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

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

  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    1 & 2

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

  Note: Pins designated should be in the closed position.

