
ELITEGROUP COMPUTER SYSTEMS, INC.

P5VX-A (VER 1.1 PCB 1.0)

Processor            Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Unidentified
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (4), floppy drive interface, game
                     port, green PC connector, IDE interfaces (2), parallel
                     port, PS/2 mouse port, serial ports (2), cache slot,
                     IR connectors (2), USB connectors (2), ATX power
                     connector, microphone port, line in port, line out
                     port, wavetable connector, modem/phone speaker
                     connector, soft off power supply
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  ATX power                ATX        Reset switch           J12 pins 9 &
  connector                                                       10

  Game port                CN1        Power LED & keylock     J12 pins 11
                                                                 - 15

  Microphone port          CN2        Speaker                 J12 pins 17
                                                                 - 20

  Line in port             CN3        IDE interface LED          J13

  Line out port            CN4        IR connector (fast)        J15

  Serial port 1            CN5        IR connector               J17

  Serial port 2            CN6        Green PC LED               J18

  Parallel port            CN7        Chassis fan power          J20

  USB connectors           CN8        CD-ROM connector           J28

  PS/2 mouse port          CN9        Volume control             J29
                                      connector

  Floppy drive              J9        Wavetable connector        J35
  interface

  IDE interface 1          J10        Modem/phone speaker        J36
                                      connector

  IDE interface 2          J11        Soft off power             J37
                                      supply

  Power on LED         J12 pins 2 &   32-bit PCI slots        PC1 - PC4
                            3

  Green PC connector   J12 pins 4 &   Cache slot                 SL1
                            5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     Flash BIOS voltage select 5v            JP8           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 12v           JP8           Pins 1 & 2
                                                              closed

     CMOS memory normal operation            JP13             Open

      CMOS memory clear                       JP13            Closed

     Super I/O enabled                       JP15          Pins 1 & 2
                                                              closed

      Super I/O disabled                      JP15          Pins 2 & 3
                                                              closed

     3D sound enabled                        JP21            Closed

      3D sound disabled                       JP21             Open

                  DIMM/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

     16MB       (2) 1M x 36        None       (1) 1M x 64

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

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

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

     32MB       (2) 4M x 36        None          None

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

     32MB           None           None       (1) 4M x 64

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

              DIMM/DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2

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

     40MB       (2) 4M x 36        None       (1) 1M x 64

     40MB       (2) 1M x 36        None       (1) 4M x 64

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

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

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

     64MB       (2) 8M x 36        None          None

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

     64MB           None           None       (1) 8M x 64

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

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

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

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

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

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

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

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

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

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

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

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

  Note: Board accepts EDO memory.

                CACHE CONFIGURATION

           Size                      SL1

          256KB            256KB module installed

          512KB            512KB module installed

                            CPU SPEED SELECTION

   CPU speed       Clock     Multiplier       JP3       JP11       JP12
                  speed

     75MHz        50MHz         1.5x         Open      1 & 2      1 & 2
    (P54C)

     90MHz        60MHz         1.5x         1 & 2     1 & 2      1 & 2
    (P54C)

     100MHz       66MHz         1.5x         3 & 4     1 & 2      1 & 2
    (P54C)

     120MHz       60MHz          2x          1 & 2     1 & 2      2 & 3
    (P54C)

     133MHz       66MHz          2x          3 & 4     1 & 2      2 & 3
    (P54C)

     150MHz       60MHz         2.5x         1 & 2     2 & 3      2 & 3
    (P54C)

     150MHz       60MHz         2.5x         1 & 2     2 & 3      2 & 3
    (P55C)

     166MHz       66MHz         2.5x         3 & 4     2 & 3      2 & 3
    (P54C)

     166MHz       66MHz         2.5x         3 & 4     2 & 3      1 & 2
    (P55C)

     200MHz       66MHz          3x          3 & 4     2 & 3      1 & 2
    (P54C)

            Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (CONT)

  CPU speed       Clock      Multiplier       JP16      JP17       JP18
                 speed

     75MHz       50MHz          1.5x         1 & 2      1 & 2     1 & 2
    (P54C)

     90MHz       60MHz          1.5x         1 & 2      1 & 2     1 & 2
    (P54C)

    100MHz       66MHz          1.5x         1 & 2      1 & 2     1 & 2
    (P54C)

    120MHz       60MHz           2x          1 & 2      1 & 2     1 & 2
    (P54C)

    133MHz       66MHz           2x          1 & 2      1 & 2     1 & 2
    (P54C)

    150MHz       60MHz          2.5x         1 & 2      1 & 2     1 & 2
    (P54C)

    150MHz       60MHz          2.5x         2 & 3      2 & 3     2 & 3
    (P55C)

    166MHz       66MHz          2.5x         1 & 2      1 & 2     1 & 2
    (P54C)

    166MHz       66MHz          2.5x         2 & 3      2 & 3     2 & 3
    (P55C)

    200MHz       66MHz           3x          1 & 2      1 & 2     1 & 2
    (P54C)

            Note: Pins designated should be in the closed position. JP16,
            JP17 & JP18 may not be present on all boards. The location is
            unidentified.

                       CPU VOLTAGE SELECTION (P54C)

                Voltage                                JP10

                    3.3v                        Pins 1 & 2 closed

                  3.525v                       Pins 3 & 4 closed

       CPU VOLTAGE SELECTION (P55C)

       Voltage               JP20

        2.5V          Pins 1 & 2 closed

        2.8V          Pins 3 & 4 closed

