
ASUS COMPUTER INTERNATIONAL

P/I-XP55T2P4 (REV. 3.00)

Processor            CX M1/AM K5/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      256MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 Unidentified
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 port, serial ports (2), cache slot, IR
                     connector, USB connector, ATX power connector,
                     MediaBus slot
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Power LED &          CN10 pins 1 -
  connector                            keylock                   5

  Serial port 2            CN1         Speaker              CN10 pins 7 -
                                                                 10

  Parallel port            CN2         Power LED           CN10 pins 12 &
                                                                 13

  PS/2 mouse port          CN3         Green PC            CN10 pins 14 &
                                       connector                 15

  Serial port 1            CN4         ATX power switch    CN10 pins 16 &
                                                                 17

  Floppy drive             CN5         Reset switch        CN10 pins 19 &
  interface                                                      20

  IDE interface 2          CN6         USB connector            CN11

  IDE interface 1          CN7         32-bit PCI slots      PC1 - PC4

  IR connector             CN8         Cache slot               SL1

  IDE interface LED        CN9         MediaBus slot            SL2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J1           Unidentified
      alter

     On board I/O enabled                 JP16        Pins 1 & 2 closed

      On board I/O disabled                JP16        Pins 2 & 3 closed

     CMOS memory normal operation         JP17        Pins 1 & 2 closed

      CMOS memory clear                    JP17        Pins 2 & 3 closed

     Flash BIOS write protect             JP18        Pins 1 & 2 closed
      disabled

      Flash BIOS write protect             JP18        Pins 2 & 3 closed
      enabled

     Battery test mode normal             JP19             Closed
      operation

      Battery test mode test mode          JP19              Open
      enabled

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      8MB         (2) 1M x 36        None

      16MB        (2) 2M x 36        None

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

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

      32MB        (2) 4M x 36        None

      32MB        (2) 2M x 36    (2) 2M x 36

      40MB        (2) 4M x 36    (2) 1M x 36

      48MB        (2) 4M x 36    (2) 2M x 36

      64MB        (2) 8M x 36        None

      64MB        (2) 4M x 36    (2) 4M x 36

      72MB        (2) 8M x 36    (2) 1M x 36

      80MB        (2) 8M x 36    (2) 2M x 36

      96MB        (2) 8M x 36    (2) 4M x 36

     128MB        (2) 8M x 36    (2) 8M x 36

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

                  DRAM CONFIGURATION (CON'T)

        Size                Bank 0               Bank 1

        144MB            (2) 16M x 36         (2) 2M x 36

        160MB            (2) 16M x 36         (2) 4M x 36

        192MB            (2) 16M x 36         (2) 8M x 36

        256MB            (2) 16M x 36         (2) 16M x 36

  Note: Board accepts EDO memory. Banks are interchangeable.

                            CACHE CONFIGURATION

      Size          Bank 0            Bank 1                 TAG

   256KB (A)         None          256KB module          Unidentified
                                    installed

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

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

   512KB (B)         None          512KB module          Unidentified
                                    installed

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

        CACHE JUMPER CONFIGURATION

        Size                 JP14

      256KB (A)       Pins 1 & 2 closed

      256KB (B)       Pins 1 & 2 closed

      512KB (A)       Pins 2 & 3 closed

      512KB (B)       Pins 2 & 3 closed

      512KB (C)       Pins 2 & 3 closed

                       CACHEABLE SIZE CONFIGURATION

                 Size                                  JP15

                   64MB                        Pins 1 & 2 closed

                   512MB                        Pins 2 & 3 closed

                        CPU SPEED SELECTION (CYRIX)

    CPU        Clock     Multiplier     JP9     JP10      JP12     JP13
   speed      speed

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

  Note: Pins designated should be in the closed position.

                         CPU SPEED SELECTION (AMD)

    CPU        Clock     Multiplier     JP9     JP10      JP12     JP13
   speed      speed

   75MHz      50MHz         1.5x       2 & 3    2 & 3    1 & 2     1 & 2

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU        Clock     Multiplier     JP9     JP10      JP12     JP13
   speed      speed

   75MHz      50MHz         1.5x       2 & 3    2 & 3    1 & 2     1 & 2

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

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

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

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

  150MHz      60MHz         2.5x       2 & 3    1 & 2    2 & 3     2 & 3

  166MHz      66MHz         2.5x       1 & 2    2 & 3    2 & 3     2 & 3

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

  Note: Pins designated should be in the closed position.

        CPU VOLTAGE SELECTION (SINGLE)

        Voltage                 JP1

  3.3v - 3.465v (STD)    Pins 1 & 2 closed

   3.4v - 3.6v (VRE)     Pins 2 & 3 closed

       CPU VOLTAGE SELECTION (DUAL)

       Voltage                J2

        2.5v          Pins 1 & 2 closed

        2.7v          Pins 3 & 4 closed

        2.8v          Pins 5 & 6 closed

        2.9v          Pins 7 & 8 closed

