
MITAC INTERNATIONAL COMPUTER

PH5400VR

Device Type            Mainboard
Processor              CX 6X86L/AM K5/AM K6/Pentium/Pentium MMX
Processor Speed        120/133/150/166/200/233MHz
Chip Set               Intel
Video Chip Set         None
Maximum Onboard Memory 128MB (EDO & SDRAM supported)
Maximum Video Memory   None
Cache                  256/512KB
BIOS                   Award
Dimensions             220mm x 220mm
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), IR
                       connector, USB connector
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                    Location    Purpose                Location

  Parallel port                 J1       Green PC connector       J15

  Floppy drive interface        J2       IR connector             J16

  Serial port 1                 J4       Reset switch             J17

  Serial port 2                 J6       Speaker                  J18

  PS/2 mouse interface/USB      J7       Power LED & keylock      JP8
  connector

  IDE interface 2              J10       IDE interface LED        JP9

  IDE interface 1              J11       32-bit PCI slots       PC1 - PC4

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP4           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP4           Pins 2 & 3
                                                              closed

     Factory configured - do not alter      JP901             Open

     Factory configured - do not alter      JP902            Closed

             DIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (1) 1M x 64      None

     16MB        (1) 2M x 64      None

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

     24MB        (1) 2M x 64   (1) 1M x 64

     32MB        (1) 4M x 64      None

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

     40MB        (1) 4M x 64   (1) 1M x 64

     48MB        (1) 4M x 64   (1) 2M x 64

     64MB        (1) 8M x 64      None

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

     72MB        (1) 8M x 64   (1) 1M x 64

     80MB        (1) 8M x 64   (1) 2M x 64

     96MB        (1) 8M x 64   (1) 4M x 64

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

  Note: Board accepts EDO & SDRAM memory.

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (2) 32K x 32   Unidentified

     512KB        (2) 64K x 32   Unidentified

                      CPU SPEED SELECTION (CX 6X86L)

    CPU       Clock    Multiplier     JP1    JP2    JP3      JP5     JP6
   speed     speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock     Multiplier    JP1    JP2    JP3      JP5      JP6
  speed      speed

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

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

  150MHz     60MHz        2.5x       2 &    1 &    Open   Closed     1 &
                                      3      2                       2, 3
                                                                     & 4

  166MHz     66MHz        2.5x       1 &    1 &    Open   Closed     1 &
                                      2      2                       2, 3
                                                                     & 4

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU       Clock    Multiplier     JP1    JP2    JP3    JP5      JP6
   speed     speed

  166MHz     66MHz        2.5x        1 &    1 &    1 &    Open    1 & 2,
                                       2      2      2             3 & 4

  200MHz     66MHz         3x         1 &    1 &    1 &    Open    3 & 4
                                       2      2      2

  233MHz     66MHz        3.5x        1 &    1 &    5 &    Open    Open
                                       2      2      6

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL STD)

    CPU       Clock    Multiplier     JP1    JP2    JP3     JP5     JP6
   speed     speed

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

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

  150MHz     60MHz        2.5x        2 &    1 &    Open    Open     1 &
                                       3      2                     2, 3
                                                                    & 4

  166MHz     66MHz        2.5x        1 &    1 &    Open    Open     1 &
                                       2      2                     2, 3
                                                                    & 4

  200MHz     66MHz         3x         1 &    1 &    Open    Open    3 & 4
                                       2      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL VRE)

    CPU      Clock     Multiplier    JP1    JP2    JP3      JP5      JP6
  speed      speed

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

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

  150MHz     60MHz        2.5x       2 &    1 &    Open   Closed     1 &
                                      3      2                       2, 3
                                                                     & 4

  166MHz     66MHz        2.5x       1 &    1 &    Open   Closed     1 &
                                      2      2                       2, 3
                                                                     & 4

  200MHz     66MHz         3x        1 &    1 &    Open   Closed    3 & 4
                                      2      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU       Clock    Multiplier    JP1    JP2     JP3     JP5     JP6
   speed     speed

  166MHz     66MHz        2.5x        1 &    1 &   Open    Open    1 & 2,
                                      2      2                     3 & 4

  200MHz     66MHz         3x         1 &    1 &   Open    Open    3 & 4
                                      2      2

  233MHz     66MHz        3.5x        1 &    1 &   Open    Open     Open
                                      2      2

  Note: Pins designated should be in the closed position.

