ASUS COMPUTER INTERNATIONAL
===========================

   P/I-P55TP4N (REV. 2.0)

   Device Type     Mainboard                                      
   Processor       Pentium                                        
   Processor Speed 75/90/100/120/133/150/166MHz                   
   Chip Set        Intel 430FX                                    
   Maximum Onboard 128MB (EDO supported)                          
   Memory          
   Cache           256/512KB                                      
   BIOS            Unidentified                                   
   Video Chip Set  None                                           
   I/O Options     32-bit PCI slots (4), floppy drive interface,  
                   green PC connector, IDE interface (2),         
                   parallel port, PS/2 mouse interface, serial    
                   ports (2), IR connector, MediaBus slot, cache  
                   slot                                           

<gopher://bitreich.org/I/th99/m/A-B/35113-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose          |  Location  | Purpose       |  Location  |
   |------------------+------------+---------------+------------|
   | Serial port 1    |    CN1     | Reset switch  | CN9/pins 9 |
   |                  |            |               |    & 10    |
   |------------------+------------+---------------+------------|
   | Serial port 2    |    CN2     | Power LED &   |  CN9/pins  |
   |                  |            | keylock       |   11-15    |
   |------------------+------------+---------------+------------|
   | Parallel port    |    CN3     | Speaker       |  CN9/pins  |
   |                  |            |               |   17-20    |
   |------------------+------------+---------------+------------|
   | IDE interface 1  |    CN4     | IR connector  |    JP31    |
   |------------------+------------+---------------+------------|
   | IDE interface 2  |    CN5     | IDE interface |    JP17    |
   |                  |            | LED           |            |
   |------------------+------------+---------------+------------|
   | Floppy drive     |    CN6     | 32-bit PCI    | PC1 - PC4  |
   | interface        |            | slots         |            |
   |------------------+------------+---------------+------------|
   | PS/2 mouse       |    CN7     | Cache slot    |    SL1     |
   | interface        |            |               |            |
   |------------------+------------+---------------+------------|
   | Turbo LED        | CN9/pins 2 | MediaBus Slot |    SL2     |
   |                  |    & 3     |               |            |
   |------------------+------------+---------------+------------|
   | Green PC         | CN9/pins 4 |               |            |
   | connector        |    & 5     |               |            |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Label |  Position  |
   |---------------------------------------+-------+------------|
   |>> | On board I/O enabled              |  JP4  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | On board I/O disabled             |  JP4  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | Flash BIOS write protect enabled  |  JP5  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | Flash BIOS write protect disabled |  JP5  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | PS/2 mouse disabled               |  JP7  | Pins 2 & 3 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |   | PS/2 mouse enabled                |  JP7  | Pins 1 & 2 |
   |   |                                   |       |   closed   |
   |---+-----------------------------------+-------+------------|
   |>> | CMOS memory normal operation      | JP13  |    Open    |
   |---+-----------------------------------+-------+------------|
   |   | CMOS memory clear                 | JP13  |   Closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   |       Size       |       Bank 0       |       Bank 1       |
   |------------------+--------------------+--------------------|
   |       8MB        |    (2)1MB x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2)1MB x 32     |    (2)1MB x 32     |
   |------------------+--------------------+--------------------|
   |       16MB       |    (2)2MB x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       24MB       |    (2)2MB x 32     |    (2)1MB x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2)2MB x 32     |    (2)2MB x 32     |
   |------------------+--------------------+--------------------|
   |       32MB       |    (2)4MB x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       40MB       |    (2)4MB x 32     |    (2)1MB x 32     |
   |------------------+--------------------+--------------------|
   |       48MB       |    (2)4MB x 32     |    (2)2MB x 32     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2)4MB x 32     |    (2)4MB x 32     |
   |------------------+--------------------+--------------------|
   |       64MB       |    (2)8MB x 32     |        None        |
   |------------------+--------------------+--------------------|
   |       72MB       |    (2)8MB x 32     |    (2)1MB x 32     |
   |------------------+--------------------+--------------------|
   |       80MB       |    (2)8MB x 32     |    (2)2MB x 32     |
   |------------------+--------------------+--------------------|
   |       96MB       |    (2)8MB x 32     |    (2)4MB x 32     |
   |------------------+--------------------+--------------------|
   |      128MB       |    (2)8MB x 32     |     (2)8MBx 32     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                    CACHE CONFIGURATION                     |
   |------------------------------------------------------------|
   |    Size    |        Bank 0        |          SL1           |
   |------------+----------------------+------------------------|
   | 256KB (A)  |     (2) 32K x 32     |     Not installed      |
   |------------+----------------------+------------------------|
   | 256KB (B)  |         None         | 256KB module installed |
   |------------+----------------------+------------------------|
   | 512KB (A)  |     (2) 32K x 32     | 256KB module installed |
   |------------+----------------------+------------------------|
   | 512KB (B)  |     (2) 64K x 32     |     Not installed      |
   |------------+----------------------+------------------------|
   | 512KB (C)  |         None         | 512KB module installed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 CACHE JUMPER CONFIGURATION                 |
   |------------------------------------------------------------|
   |           Size           |              JP16               |
   |--------------------------+---------------------------------|
   |>> |        256KB         |        Pins 2 & 3 closed        |
   |---+----------------------+---------------------------------|
   |   |        512KB         |        Pins 1 & 2 closed        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                CPU SPEED SELECTION (INTEL)                 |
   |------------------------------------------------------------|
   |Speed |  Clock   |Multiplier| JP14 | JP15 |JP26 |JP27 |JP28 |
   |      |  speed   |          |      |      |     |     |     |
   |------+----------+----------+------+------+-----+-----+-----|
   |75MHz |  50MHz   |   1.5x   | Open | Open |1 & 2|2 & 3|2 & 3|
   |------+----------+----------+------+------+-----+-----+-----|
   |90MHz |  60MHz   |   1.5x   | Open | Open |2 & 3|2 & 3|1 & 2|
   |------+----------+----------+------+------+-----+-----+-----|
   |100MHz|  66MHz   |   1.5x   | Open | Open |2 & 3|1 & 2|2 & 3|
   |------+----------+----------+------+------+-----+-----+-----|
   |120MHz|  60MHz   |    2x    | Open |Closed|2 & 3|2 & 3|1 & 2|
   |------+----------+----------+------+------+-----+-----+-----|
   |133MHz|  66MHz   |    2x    | Open |Closed|2 & 3|1 & 2|2 & 3|
   |------+----------+----------+------+------+-----+-----+-----|
   |150MHz|  60MHz   |   2.5x   |Closed|Closed|2 & 3|2 & 3|1 & 2|
   |------+----------+----------+------+------+-----+-----+-----|
   |166MHz|  66MHz   |   2.5x   |Closed|Closed|2 & 3|1 & 2|2 & 3|
   |------------------------------------------------------------|
   |Note : Numbers designate pins that should be closed.        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                   CPU VOLTAGE SELECTION                    |
   |------------------------------------------------------------|
   |       Voltage       |    JP22     |    JP23     |   JP24   |
   |---------------------+-------------+-------------+----------|
   |>> |  3.3V - 3.465V  |   Closed    |    Open     |   Open   |
   |---+-----------------+-------------+-------------+----------|
   |   |   3.4V - 3.6V   |    Open     |   Closed    |   Open   |
   +------------------------------------------------------------+