
EPOX COMPUTER CO., LTD.

P55-TV

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          330mm x 218mm
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
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  PS/2 mouse interface       CN1       Green PC connector          J3

  Serial port 1              CN2       IDE interface LED           J4

  Serial port 2              CN3       Green PC LED                J5

  Parallel port              CN4       Turbo switch                J6

  Floppy drive interface     CN5       Reset switch                J7

  IDE interface 1            CN6       Speaker                     J8

  IDE interface 2            CN7       Power LED & keylock         J9

  IR connector                J1       32-bit PCI slots         PC1 - PC4

  Chassis fan power           J2       Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Clock rate set as ISA CLOCK             JP2           Pins 1 & 2
                                                              closed

      Clock rate set as 12MHz                 JP2           Pins 2 & 3
                                                              closed

      Flash BIOS normal operation             JP7           Pins 1 & 2
                                                              closed

      Flash BIOS flash mode                   JP7           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP8           Pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v           JP8           Pins 2 & 3
                                                              closed

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB           None           None       (1) 1M x 64

      8MB       (2) 1M x 36        None          None

     16MB           None           None       (1) 2M x 64

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

     16MB       (2) 2M x 36        None          None

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

     24MB           None       (2) 2M 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

     32MB           None           None       (1) 4M x 64

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

     32MB       (2) 4M x 36        None          None

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

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

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

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

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

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

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

     64MB           None           None       (1) 8M x 64

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

                        DRAM CONFIGURATION (CONT)

       Size              Bank 0            Bank 1             Bank 2

       64MB           (2) 8M x 36           None               None

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

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

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

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

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

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

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

       96MB               None           (2) 8M 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

       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. Board also accepts x 32 SIMMs. Banks
  are interchangeable.

                            CACHE CONFIGURATION

      Size          Bank 0             SL1                   TAG

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

   256KB (B)         None          256KB module          Unidentified
                                    installed

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

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

   512KB (B)         None          512KB module          Unidentified
                                    installed

                  CACHE JUMPER CONFIGURATION

        Size                 JP15                 JP16

      256KB (A)        Pins 1 & 2 closed   Pins 1 & 2 closed

      256KB (B)        Pins 2 & 3 closed   Pins 1 & 2 closed

      512KB (C)        Pins 1 & 2 closed   Pins 1 & 2 closed

      512KB (A)        Pins 1 & 2 closed   Pins 2 & 3 closed

      512KB (B)        Pins 2 & 3 closed   Pins 1 & 2 closed

                        CPU SPEED SELECTION (CYRIX)

    CPU     Clock     Multiplier   JP3     JP4       JP5     JP19   JP20
  speed     speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU     Clock     Multiplier   JP3     JP4      JP5      JP19   JP20
  speed     speed

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

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

  100MHz    66MHz       1.5x       2 &    Open      Open      1 &   1 & 2
                                    3                         2

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                            CPU TYPE SELECTION

      Type          JP18A          JP18B         JP18C          JP18D

     CX M1        Pins 1 & 2     Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

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

    P54C/CTB      Pins 1 & 2     Pins 1 & 2    Pins 1 & 2     Pins 1 & 2
                    closed        closed         closed         closed

      P55C        Pins 2 & 3     Pins 2 & 3    Pins 2 & 3     Pins 2 & 3
                    closed        closed         closed         closed

