
EPOX COMPUTER CO., LTD.

P55-VP

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            VIA
Video Chip Set      None
Maximum Onboard     192MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          254mm x 218mm
I/O Options         32-bit PCI slots (3), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), IR connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1            CN1         Power LED &          J5/pins 1  5
                                       keylock

  Serial port 2            CN2         Speaker               J5/pins 7 -
                                                                 10

  Floppy drive             CN3         Reset switch          J5/pins 12 &
  interface                                                      13

  Parallel port            CN4         Green PC connector    J5/pins 15 &
                                                                 16

  IDE interface 2          CN5         Turbo LED             J5/pins 18 &
                                                                 19

  IDE interface 1          CN6         IDE interface LED     J5/pins 21 &
                                                                 22

  PS/2 mouse                J1         Green PC LED          J5/pins 24 &
  interface                                                      25

  IR connector              J2         32-bit PCI slots       PC1  PC3

  Chassis fan power         J3

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

      Flash BIOS voltage select 12v           JP1           Pins 2 & 3
                                                             closed

      Flash BIOS voltage select 5v            JP1           Pins 1 & 2
                                                             closed

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

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

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

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

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

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

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

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

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

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

              DIMM/DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2

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

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

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

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

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

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

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

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

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

     192MB      (2) 8M x 36    (2) 8M x 36    (1) 8M x 64

  Note: Board accepts EDO memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                        CPU SPEED SELECTION (CYRIX)

    CPU     Clock    Multiplier    JP2A      JP2B     JP2C     JP7   JP8
  speed     speed

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

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

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

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

  200MHz    75MHz        2x        Open     Closed    Open     2 &    1 &
                                                               3      2

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU     Clock    Multiplier    JP2A      JP2B     JP2C     JP7   JP8
  speed     speed

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

  90MHz     60MHz       1.5x       Open     Closed    Closed   1 &    1 &
                                                               2      2

  100MHz    66MHz       1.5x       Closed    Open     Closed   1 &    1 &
                                                               2      2

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

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

  150MHz    60MHz       2.5x       Open     Closed    Closed   2 &    2 &
                                                               3      3

  166MHz    66MHz       2.5x       Closed    Open     Closed   2 &    2 &
                                                               3      3

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU     Clock    Multiplier    JP2A      JP2B     JP2C     JP7   JP8
  speed     speed

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

  90MHz     60MHz       1.5x       Open     Closed    Closed   1 &    1 &
                                                               2      2

  100MHz    66MHz       1.5x       Closed    Open     Closed   1 &    1 &
                                                               2      2

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

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

  150MHz    60MHz       2.5x       Open     Closed    Closed   2 &    2 &
                                                               3      3

  166MHz    66MHz       2.5x       Closed    Open     Closed   2 &    2 &
                                                               3      3

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

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

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

     Type           JP4A           JP4B           JP4C            JP6

    CX6X86        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2       Open
                   closed         closed         closed

    CX6X86L       Pins 2 & 3     Pins 2 & 3     Pins 2 & 3       Open
                   closed         closed         closed

     AM K5        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2      Closed
                   closed         closed         closed

     AM K6        Pins 2 & 3     Pins 2 & 3     Pins 2 & 3      Closed
                   closed         closed         closed

     Intel        Pins 1 & 2     Pins 1 & 2     Pins 1 & 2      Closed
                   closed         closed         closed

   Intel MMX      Pins 2 & 3     Pins 2 & 3     Pins 2 & 3      Closed
                   closed         closed         closed

                           CPU VOLTAGE SELECTION

               Voltage                                 JP3

                  2.5v                         Pins 1 & 2 closed

                   2.8v                         Pins 2 & 3 closed

                   2.9v                               Open

