ASUS COMPUTER INTERNATIONAL =========================== P/I-P55TP4XE (VER. 2.4) Processor Pentium Processor Speed 75/90/100/120/133/150/166MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB (EDO supported) Memory Maximum Video None Memory 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, VRM connector, MediaBus slot NPU Options None +------------------------------------------------------------+ | CONNECTIONS | |------------------------------------------------------------| | Purpose | Location | Purpose | Location | |------------------+------------+----------------+-----------| | Serial port 1 | CN1 | Power LED & | CN8 pins | | | | keylock | 11 - 15 | |------------------+------------+----------------+-----------| | Serial port 2 | CN2 | Speaker | CN8 pins | | | | | 17 - 20 | |------------------+------------+----------------+-----------| | Parallel port | CN3 | IDE interface | JP17 | | | | LED | | |------------------+------------+----------------+-----------| | Floppy drive | CN4 | Chassis fan | JP30 | | interface | | power | | |------------------+------------+----------------+-----------| | IDE interface 1 | CN5 | IR connector | JP31 | |------------------+------------+----------------+-----------| | IDE interface 2 | CN6 | 32-bit PCI | PC1 - PC4 | | | | slots | | |------------------+------------+----------------+-----------| | PS/2 mouse | CN7 | MediaBus slot | SL1 | | interface | | | | |------------------+------------+----------------+-----------| | Turbo LED | CN8 pins 2 | Cache slot | SL2 | | | & 3 | | | |------------------+------------+----------------+-----------| | Green PC | CN8 pins 4 | VRM connector | VRM | | connector | & 5 | | | |------------------+------------+----------------+-----------| | Reset switch | CN8 pins 9 | | | | | & 10 | | | +------------------------------------------------------------+ +------------------------------------------------------------+ | USER CONFIGURABLE SETTINGS | |------------------------------------------------------------| | Function | Label | Position | |------------------------------------+---------+-------------| |>> | On board multi I/O enabled | JP4 | Pins 1 & 2 | | | | | closed | |----+-------------------------------+---------+-------------| | | On board multi I/O disabled | JP4 | Pins 2 & 3 | | | | | 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 | |------------------------------------------------------------| | Note: If the multi I/O chip is a UM8669F, JP4 is not used. | | It is enabled or disabled through the BIOS. | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 8MB | (2) 1M x 32 | None | |------------------+--------------------+--------------------| | 16MB | (2) 2M x 32 | None | |------------------+--------------------+--------------------| | 16MB | (2) 1M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 1M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 24MB | (2) 2M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 32MB | None | (2) 4M x 32 | |------------------+--------------------+--------------------| | 32MB | (2) 2M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 1M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 40MB | (2) 4M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 2M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 48MB | (2) 4M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 64MB | (2) 4M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 1M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 72MB | (2) 8M x 32 | (2) 1M x 32 | |------------------+--------------------+--------------------| | 80MB | (2) 2M x 32 | (2) 8M x 32 | +------------------------------------------------------------+ +------------------------------------------------------------+ | DRAM CONFIGURATION (CON'T) | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | |------------------+--------------------+--------------------| | 80MB | (2) 8M x 32 | (2) 2M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 4M x 32 | (2) 8M x 32 | |------------------+--------------------+--------------------| | 96MB | (2) 8M x 32 | (2) 4M x 32 | |------------------+--------------------+--------------------| | 128MB | (2) 8M x 32 | (2) 8M x 32 | |------------------------------------------------------------| | Note: Board accepts EDO memory. Memory banks are | | interchangeable. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Size | Bank 0 | Bank 1 | TAG | SL2 | |-------+---------+---------+-------------+------------------| | 256KB | (4) 32K | (4) 32K | (1) | Not installed | | (A) | x 8 | x 8 | 8K/16/K/32K | | | | | | x 8 | | |-------+---------+---------+-------------+------------------| | 256KB | None | None | None | 256KB module | | (B) | | | | Installed | |-------+---------+---------+-------------+------------------| | 512KB | (4) 64K | (4) 64K | (1) 16K/32K | Not installed | | (A) | x 8 | x 8 | x 8 | | |-------+---------+---------+-------------+------------------| | 512KB | None | None | None | 512KB module | | (B) | | | | Installed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE CONFIGURATION | |------------------------------------------------------------| | Type | JP16 | |-------------------------------+----------------------------| | Asynchronous cache enabled | Pins 1 & 2 closed | |-------------------------------+----------------------------| | Asynchronous cache disabled | Pins 2 & 3 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE JUMPER CONFIGURATION | |------------------------------------------------------------| | Size | JP12 | |----------------------------+-------------------------------| | 256KB (A) | Pins 2 & 3 closed | |----------------------------+-------------------------------| | 512KB (A) | Pins 1 & 2 closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CACHE VOLTAGE CONFIGURATION | |------------------------------------------------------------| | Voltage | JP8 | JP9 | JP10 | JP11 | |---------------+-----------+----------+----------+----------| | Mixed voltage | Closed | Closed | Open | Open | |---------------+-----------+----------+----------+----------| | 3.3v | Open | Open | Closed | Closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU SPEED SELECTION | |------------------------------------------------------------| | CPU | Clock |Multiplier| JP14 | JP15 |JP26 |JP27 |JP28 | | speed | 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: Pins designated should be in the closed position. | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Voltage | JP22 | JP23 | JP24 | |-------------------+--------------+-------------+-----------| | 3.3v (STD/VR) | Closed | Open | Open | |-------------------+--------------+-------------+-----------| | 3.4v - 3.6v (VRE) | Open | Closed | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | CPU VOLTAGE SELECTION | |------------------------------------------------------------| | Setting | JP18 | JP19 | JP20 | JP21 | |-------------------+----------+---------+---------+---------| | VRM not installed | Closed | Closed | Closed | Closed | |-------------------+----------+---------+---------+---------| | VRM installed | Open | Open | Open | Open | +------------------------------------------------------------+ +------------------------------------------------------------+ | SERIAL PORT 2 SELECTION | |------------------------------------------------------------| | Setting | JP1 | JP2 | |------------------------+-----------------+-----------------| |>> | Used as COM2 | Pins 1 & 2 | Pins 1 & 2 | | | | closed | closed | |---+--------------------+-----------------+-----------------| | | Used as IR | Pins 2 & 3 | Pins 2 & 3 | | | connector | closed | closed | +------------------------------------------------------------+ +------------------------------------------------------------+ | FLASH BIOS SELECTION | |------------------------------------------------------------| | Setting | JP5 | JP6 | |----------------------------------+------------+------------| |>> | Flash BIOS write protect | Pins 1 & 2 | Pins 2 & 3 | | | enabled | closed | closed | |---+------------------------------+------------+------------| | | Flash BIOS write protect | Pins 2 & 3 | Pins 2 & 3 | | | disabled | closed | closed | +------------------------------------------------------------+