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       # 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   None                                           
          Memory          
          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                                           
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        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  |
          |                   |          | connector     |   14 & 15   |
          |-------------------+----------+---------------+-------------|
          | Serial port 1     |   CN4    | ATX power     |  CN10 pins  |
          |                   |          | switch        |   16 & 17   |
          |-------------------+----------+---------------+-------------|
          | Floppy drive      |   CN5    | Reset switch  |  CN10 pins  |
          | interface         |          |               |   19 & 20   |
          |-------------------+----------+---------------+-------------|
          | IDE interface 2   |   CN6    | USB connector |    CN11     |
          |-------------------+----------+---------------+-------------|
          | IDE interface 1   |   CN7    | 32-bit PCI    |  PC1 - PC4  |
          |                   |          | slots         |             |
          |-------------------+----------+---------------+-------------|
          | 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  |
          |   | disabled                        |       |    closed    |
          |---+---------------------------------+-------+--------------|
          |   | Flash BIOS write protect        | JP18  |  Pins 2 & 3  |
          |   | enabled                         |       |    closed    |
          |---+---------------------------------+-------+--------------|
          | » | 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 & 3 | 2 & 3 | 1 &  |
          |        |         |            |  2  |       |       |  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 & | 2 & 3 | 1 & 2 | 1 &  |
          |        |         |            |  3  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 90MHz  |  60MHz  |    1.5x    | 2 & | 1 & 2 | 1 & 2 | 1 &  |
          |        |         |            |  3  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 100MHz |  66MHz  |    1.5x    | 1 & | 2 & 3 | 1 & 2 | 1 &  |
          |        |         |            |  2  |       |       |  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 & | 2 & 3 | 1 & 2 | 1 &  |
          |        |         |            |  3  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 90MHz  |  60MHz  |    1.5x    | 2 & | 1 & 2 | 1 & 2 | 1 &  |
          |        |         |            |  3  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 100MHz |  66MHz  |    1.5x    | 1 & | 2 & 3 | 1 & 2 | 1 &  |
          |        |         |            |  2  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 120MHz |  60MHz  |     2x     | 2 & | 1 & 2 | 2 & 3 | 1 &  |
          |        |         |            |  3  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 133MHz |  66MHz  |     2x     | 1 & | 2 & 3 | 2 & 3 | 1 &  |
          |        |         |            |  2  |       |       |  2   |
          |--------+---------+------------+-----+-------+-------+------|
          | 150MHz |  60MHz  |    2.5x    | 2 & | 1 & 2 | 2 & 3 | 2 &  |
          |        |         |            |  3  |       |       |  3   |
          |--------+---------+------------+-----+-------+-------+------|
          | 166MHz |  66MHz  |    2.5x    | 1 & | 2 & 3 | 2 & 3 | 2 &  |
          |        |         |            |  2  |       |       |  3   |
          |--------+---------+------------+-----+-------+-------+------|
          | 200MHz |  66MHz  |     3x     | 1 & | 2 & 3 | 1 & 2 | 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       |
          +------------------------------------------------------------+