
EPOX COMPUTER CO., LTD.

P55-KV

Processor           CX 6X86/CX 6X86L/IBM 6X86/IBM 6X86L/AM K5/AM K6/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            VIA
Video Chip Set      None
Maximum Onboard     128MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          220mm x 220mm
I/O Options         32-bit PCI slots (2), 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 &         J11/pins 1  5
                                       keylock

  Serial port 2            CN2         Speaker              J11/pins 7 -
                                                                 10

  Parallel port            CN3         Reset switch         J11/pins 12 &
                                                                 13

  Floppy drive             CN4         Green PC             J11/pins 15 &
  interface                            connector                 16

  IDE interface 2          CN5         Green PC LED         J11/pins 18 &
                                                                 19

  IDE interface 1          CN6         Turbo LED            J11/pins 20 &
                                                                 21

  PS/2 mouse               J1          IDE interface LED    J11/pins 23 &
  interface                                                      24

  IR connector             J10         32-bit PCI slots      PC1  PC2

                        USER CONFIGURABLE SETTINGS

                Function                     Label          Position

     Flash BIOS voltage select 5v            J6            Pins 1 & 2
                                                             closed

      Flash BIOS voltage select 12v           J6            Pins 2 & 3
                                                             closed

              SIMM CONFIGURATION

      Size          Bank 0          Bank 1

      4MB         (1) 1M x 36        None

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

      8MB         (1) 2M x 36        None

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

      16MB        (1) 4M x 36        None

      32MB        (1) 4M x 36    (1) 4M x 36

      32MB        (1) 8M x 36        None

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

      64MB        (1) 16M x 36       None

     128MB        (1) 16M x 36   (1) 16M x 36

                CACHE CONFIGURATION

      Size            Bank 0            TAG

      256KB        (2) 32K x 32     Unidentified

      512KB        (2) 64K x 32     Unidentified

  Note: The location of the TAG is unidentified.

                        CPU SPEED SELECTION (CYRIX)

    CPU      Clock   Multiplier     J4   J5     J7        J8        J9
  speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (IBM)

    CPU      Clock   Multiplier     J4   J5     J7        J8        J9
  speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (AM K5/K6)

    CPU      Clock    Multiplier    J4    J5      J7        J8       J9
  speed      speed

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

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    J4    J5      J7        J8       J9
  speed      speed

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

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU TYPE SELECTION

        Type                 J3A                  J3B

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

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

       CX 6X86         Pins 1 & 2 closed   Pins 1 & 2 closed

      CX 6X86L         Pins 2 & 3 closed   Pins 2 & 3 closed

        CX M2          Pins 2 & 3 closed   Pins 2 & 3 closed

      IBM 6X86         Pins 1 & 2 closed   Pins 1 & 2 closed

      IBM 6X86L        Pins 2 & 3 closed   Pins 2 & 3 closed

        P54C           Pins 1 & 2 closed   Pins 1 & 2 closed

        P55C           Pins 2 & 3 closed   Pins 2 & 3 closed

                           CPU VOLTAGE SELECTION

               Voltage                                 J2

                  2.8v                         Pins 2 & 3 closed

                   2.9v                         Pins 1 & 2 closed

                   3.2v                               Open

