
EPOX COMPUTER CO., LTD.

P55-VP3

Device Type   Mainboard
Processor     CX 6X86L/IBM 6X86L/CX 686MX/IBM 6X86MX/AM K5/

              AM K6/Pentium/Pentium MMX
Processor     90/100/120/133/150/166/188/200/225/233/266/300/333MHz
Speed
Chip Set      VIA
Video Chip    None
Set
Maximum       384MB (EDO & SDRAM supported)
Onboard
Memory
Maximum Video None
Memory
Cache         512KB
BIOS          Award
Dimensions    305mm x 244mm
I/O Options   32-bit PCI slots (4), floppy drive interface, IDE interfaces
              (2), parallel port, PS/2 mouse port, serial ports (2), IR
              connector, USB connectors (2), ATX power connector, AGP slot
NPU Options   None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       CPU fan power               J2

  ATX power connector        ATX       IR connector                J4

  Parallel port              CN1       Power LED & keylock        J7A

  Serial port 2              CN2       Speaker                    J7B

  Serial port 1              CN3       Reset switch               J7C

  USB connector 1            CN4       Green PC LED               J7D

  USB connector 2            CN5       Turbo LED                  J7E

  PS/2 mouse port            CN6       IDE interface LED          J7F

  Floppy drive interface     CN7       Soft off power supply      J7G

  IDE interface 1            CN8       32-bit PCI slots         PC1  PC4

  IDE interface 2            CN9

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Keyboard power on disabled            J1         Pins 1 & 2 closed

      Keyboard power on enabled             J1         Pins 2 & 3 closed

     Factory configured - do not           J5           Unidentified
      alter

     Factory configured - do not           J6           Unidentified
      alter

              SIMM CONFIGURATION

         Size                  Bank 3

          8MB                (2) 1M x 36

         16MB                (2) 2M x 36

         32MB                (2) 4M x 36

         64MB                (2) 8M x 36

         128MB              (2) 16M x 36

            Note: Board accepts EDO memory.

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

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

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

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

     32MB       (1) 4M x 64        None          None

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

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

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

      40MB        (1) 2M x 64     (1) 2M x 64    (1) 1M x 64

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

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

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

      64MB        (1) 8M x 64        None            None

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

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

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

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

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

      88MB        (1) 8M x 64     (1) 2M x 64    (1) 1M x 64

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

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

     112MB        (1) 8M x 64     (1) 4M x 64    (1) 2M x 64

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

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

     136MB       (1) 16M x 64     (1) 1M x 64        None

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     152MB       (1) 16M x 64     (1) 2M x 64    (1) 1M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64        None

     160MB        (1) 8M x 64     (1) 8M x 64    (1) 4M x 64

     168MB       (1) 16M x 64     (1) 4M x 64    (1) 1M x 64

     176MB       (1) 16M x 64     (1) 4M x 64    (1) 2M x 64

     192MB       (1) 16M x 64     (1) 8M x 64        None

     192MB        (1) 8M x 64     (1) 8M x 64    (1) 8M x 64

     200MB       (1) 16M x 64     (1) 8M x 64    (1) 1M x 64

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (1) 64K x 64

                      CPU SPEED SELECTION (CX 6X86L)

    CPU speed        Clock speed        Multiplier             JP3

      150MHz            60MHz              2.5x             Pins 3 & 4
                                                              closed

      166MHz            66MHz              2.5x             Pins 5 & 6
                                                              closed

      200MHz            75MHz               3x              Pins 7 & 8
                                                              closed

                      CPU SPEED SELECTION (IBM 6X86L)

    CPU speed        Clock speed        Multiplier             JP3

      150MHz            60MHz              2.5x             Pins 3 & 4
                                                              closed

      166MHz            66MHz              2.5x             Pins 5 & 6
                                                              closed

      200MHz            75MHz               3x              Pins 7 & 8
                                                              closed

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU speed       Clock speed         Multiplier             JP3

     166MHz            66MHz                2x              Pins 5 & 6
                                                              closed

     166MHz            60MHz               2.5x             Pins 9 & 10
                                                              closed

     200MHz            75MHz                2x              Pins 7 & 8
                                                              closed

     200MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     233MHz            75MHz               2.5x            Pins 13 & 14
                                                              closed

     233MHz            66MHz                3x             Pins 15 & 16
                                                              closed

     266MHz            75MHz                3x             Pins 17 & 18
                                                              closed

     266MHz            66MHz               3.5x            Pins 19 & 20
                                                              closed

                     CPU SPEED SELECTION (IBM 6X86MX)

    CPU speed       Clock speed         Multiplier             JP3

     166MHz            66MHz                2x              Pins 5 & 6
                                                              closed

     166MHz            60MHz               2.5x             Pins 9 & 10
                                                              closed

     200MHz            75MHz                2x              Pins 7 & 8
                                                              closed

     200MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     233MHz            75MHz               2.5x            Pins 13 & 14
                                                              closed

     233MHz            66MHz                3x             Pins 15 & 16
                                                              closed

     266MHz            75MHz                3x             Pins 17 & 18
                                                              closed

     266MHz            66MHz               3.5x            Pins 19 & 20
                                                              closed

                        CPU SPEED SELECTION (AM K5)

    CPU speed       Clock speed         Multiplier             JP3

      90MHz            60MHz               1.5x            Pins 27 & 28
                                                              closed

     100MHz            66MHz               1.5x             Pins 1 & 2
                                                              closed

     120MHz            60MHz                2x              Pins 3 & 4
                                                              closed

     133MHz            66MHz                2x              Pins 5 & 6
                                                              closed

     150MHz            60MHz               2.5x             Pins 9 & 10
                                                              closed

     166MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     188MHz            75MHz               2.5x            Pins 13 & 14
                                                              closed

     200MHz            66MHz                3x             Pins 15 & 16
                                                              closed

                        CPU SPEED SELECTION (AM K6)

    CPU speed       Clock speed         Multiplier             JP3

     166MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     200MHz            66MHz                3x             Pins 15 & 16
                                                              closed

     225MHz            75MHz                3x             Pins 17 & 18
                                                              closed

     233MHz            66MHz               3.5x            Pins 19 & 20
                                                              closed

     266MHz            66MHz                4x             Pins 21 & 22
                                                              closed

     300MHz            66MHz               4.5x            Pins 23 & 24
                                                              closed

     333MHz            66MHz                5x             Pins 25 & 26
                                                              closed

                        CPU SPEED SELECTION (INTEL)

    CPU speed       Clock speed         Multiplier             JP3

      90MHz            60MHz               1.5x            Pins 27 & 28
                                                              closed

     100MHz            66MHz               1.5x             Pins 1 & 2
                                                              closed

     120MHz            60MHz                2x              Pins 3 & 4
                                                              closed

     133MHz            66MHz                2x              Pins 5 & 6
                                                              closed

     150MHz            60MHz               2.5x             Pins 9 & 10
                                                              closed

     166MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     188MHz            75MHz               2.5x            Pins 13 & 14
                                                              closed

     200MHz            66MHz                3x             Pins 15 & 16
                                                              closed

                      CPU SPEED SELECTION (INTEL MMX)

    CPU speed       Clock speed         Multiplier             JP3

     166MHz            66MHz               2.5x            Pins 11 & 12
                                                              closed

     200MHz            66MHz                3x             Pins 15 & 16
                                                              closed

     225MHz            75MHz                3x             Pins 17 & 18
                                                              closed

     233MHz            66MHz               3.5x            Pins 19 & 20
                                                              closed

     266MHz            66MHz                4x             Pins 21 & 22
                                                              closed

     300MHz            66MHz               4.5x            Pins 23 & 24
                                                              closed

     333MHz            66MHz                5x             Pins 25 & 26
                                                              closed

                           CPU VOLTAGE SELECTION

               Voltage                                 JP2

                   2.1v                         Pins 1 & 2 closed

                   2.2v                         Pins 3 & 4 closed

                  2.8v                         Pins 5 & 6 closed

                   2.9v                         Pins 7 & 8 closed

                   3.2v                        Pins 9 & 10 closed

