
ASUS COMPUTER INTERNATIONAL

P/I-P55T2P4

Processor             Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Intel
Video Chip Set        None
Maximum Onboard       256MB (EDO supported)
Memory
Maximum Video Memory  None
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, MediaBus slot
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  Serial port 1            CN1        Turbo LED            CON1 pins 12 &
                                                                 13

  Serial port 2            CN2        Green PC connector   CON1 pins 14 &
                                                                 15

  Parallel port            CN3        Reset switch         CON1 pins 19 &
                                                                 20

  Floppy drive             CN4        IR connector               IR
  interface

  IDE interface 1          CN5        Chassis fan power         JP13

  IDE interface 2          CN6        IDE interface LED         JP20

  PS/2 mouse               CN7        32-bit PCI slots       PC1 - PC4
  interface

  Power LED &         CON1 pins 1 -   Cache slot                SL1
  keylock                   5

  Speaker             CON1 pins 7 -   MediaBus slot             SL2
                           10

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     On board multi I/O enabled              JP1           Pins 1 & 2
                                                              closed

      On board multi I/O disabled             JP1           Pins 2 & 3
                                                              closed

     Flash BIOS write protect disabled       JP8           Pins 1 & 2
                                                              closed

      Flash BIOS write protect enabled        JP8           Pins 2 & 3
                                                              closed

     PS/2 mouse IRQ12 disabled               JP18          Pins 2 & 3
                                                              closed

      PS/2 mouse IRQ12 enabled                JP18          Pins 1 & 2
                                                              closed

     CMOS memory normal operation            JP19             Open

      CMOS memory clear                       JP19            Closed

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

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

     48MB        (2) 2M x 36   (2) 4M 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) 1M x 36   (2) 8M x 36

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

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

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

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

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

                        DRAM CONFIGURATION (CONT)

          Size                    Bank 0                   Bank 1

          128MB                (2) 16M x 36                 None

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

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

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

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

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

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

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

          192MB                (2) 8M x 36              (2) 16M 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. Board also accepts x 32 SIMMs. Memory
  setup is required in BIOS.

                            CACHE CONFIGURATION

          Size                   Bank 0                     SL1

        256KB (A)             (2) 32K x 32                 None

        256KB (B)                 None            256KB module installed

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

        512KB (B)             (2) 64K x 32                 None

        512KB (C)                 None            512KB module installed

        CACHE JUMPER CONFIGURATION

        Size                 JP2

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

    512KB (A/B/C)     Pins 2 & 3 closed

                            CPU SPEED SELECTION

    CPU       Clock    Multiplier      JP9       JP10      JP11     JP12
   Speed     Speed

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

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

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

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

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

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

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

  Note: Designated pins should be in the closed position.

            CPU VOLTAGE SELECTION

        Voltage                 JP17

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

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

                           DMA CHANNEL SELECTION

         Channel                   JP5                      JP6

              1             Pins 1 & 2 closed        Pins 1 & 2 closed

             3             Pins 2 & 3 closed        Pins 2 & 3 closed

                          SERIAL PORT 2 SELECTION

           Setting                     JP3                    JP4

          Used as COM2         Pins 1 & 2 closed      Pins 1 & 2 closed

       Used as IR connector     Pins 2 & 3 closed      Pins 2 & 3 closed

  Note: These jumpers may not be available on all boards.

