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# ASUS COMPUTER INTERNATIONAL
P/I-P55T2P4S
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 384MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options 32-bit PCI slots (4), floppy drive
interfacegreen PC connector, IDE interfaces
(2), SCSI interface, Wide SCSI interface,
parallel port, PS/2 mouse interface, serial
ports (2), IR connector, USB connector,
MediaBus slot
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+-------------+---------------+-------------|
| Serial port 1 | CN1 | Speaker | CN11 pins 7 |
| | | | - 10 |
|----------------+-------------+---------------+-------------|
| Serial port 2 | CN2 | Turbo LED | CN11 pins |
| | | | 12 & 13 |
|----------------+-------------+---------------+-------------|
| Parallel port | CN3 | Green PC | CN11 pins |
| | | connector | 14 & 15 |
|----------------+-------------+---------------+-------------|
| Wide SCSI | CN4 | Reset switch | CN11 pins |
| interface | | | 19 & 20 |
|----------------+-------------+---------------+-------------|
| SCSI interface | CN5 | IR connector | CN12 |
|----------------+-------------+---------------+-------------|
| Floppy drive | CN6 | Chassis fan | CN13 |
| interface | | power 1 | |
|----------------+-------------+---------------+-------------|
| IDE interface | CN7 | Chassis fan | CN14 |
| 1 | | power 2 | |
|----------------+-------------+---------------+-------------|
| IDE interface | CN8 | IDE interface | CN15 |
| 2 | | LED | |
|----------------+-------------+---------------+-------------|
| USB connector | CN9 | 32-bit PCI | PC1 - PC4 |
| | | slots | |
|----------------+-------------+---------------+-------------|
| PS/2 mouse | CN10 | MediaBus slot | SL1 |
| interface | | | |
|----------------+-------------+---------------+-------------|
| Power LED & | CN11 pins 1 | | |
| keylock | - 5 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|-----------------------------------+-------+----------------|
| » | Flash BIOS normal operation | BBL | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | Flash BIOS boot block enabled | BBL | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | On board I/O enabled | SIO | Pins 1 & 2 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| | On board I/O disabled | SIO | Pins 2 & 3 |
| | | | closed |
|---+-------------------------------+-------+----------------|
| » | CMOS memory normal operation | RTC | Open |
|---+-------------------------------+-------+----------------|
| | CMOS memory clear | RTC | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2) 1M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2) 2M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 24MB | (2) 1M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 32MB | (2) 4M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 48MB | (2) 4M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 56MB | (2) 4M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2) 8M x 36 | None | None |
|------------+---------------+---------------+---------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 | None |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 | None |
|------------+---------------+---------------+---------------|
| 80MB | (2) 8M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 88MB | (2) 8M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 | None |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CON'T) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|----------+----------------+----------------+---------------|
| 96MB | (2) 4M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|----------+----------------+----------------+---------------|
| 96MB | (2) 8M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 104MB | (2) 8M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 112MB | (2) 8M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 128MB | (2) 8M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|----------+----------------+----------------+---------------|
| 128MB | (2) 16M x 36 | None | None |
|----------+----------------+----------------+---------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 | None |
|----------+----------------+----------------+---------------|
| 136MB | (2) 8M x 36 | (2) 8M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 | None |
|----------+----------------+----------------+---------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 | None |
|----------+----------------+----------------+---------------|
| 144MB | (2) 16M x 36 | (2) 1M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 152MB | (2) 16M x 36 | (2) 2M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 | None |
|----------+----------------+----------------+---------------|
| 160MB | (2) 16M x 36 | (2) 2M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 168MB | (2) 16M x 36 | (2) 4M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 176MB | (2) 16M x 36 | (2) 4M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 | None |
|----------+----------------+----------------+---------------|
| 192MB | (2) 16M x 36 | (2) 4M x 36 | (2) 4M x 36 |
|----------+----------------+----------------+---------------|
| 200MB | (2) 16M x 36 | (2) 8M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 208MB | (2) 16M x 36 | (2) 8M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 224MB | (2) 16M x 36 | (2) 8M x 36 | (2) 4M x 36 |
|----------+----------------+----------------+---------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 | None |
|----------+----------------+----------------+---------------|
| 256MB | (2) 16M x 36 | (2) 8M x 36 | (2) 8M x 36 |
|----------+----------------+----------------+---------------|
| 264MB | (2) 16M x 36 | (2) 16M x 36 | (2) 1M x 36 |
|----------+----------------+----------------+---------------|
| 272MB | (2) 16M x 36 | (2) 16M x 36 | (2) 2M x 36 |
|----------+----------------+----------------+---------------|
| 288MB | (2) 16M x 36 | (2) 16M x 36 | (2) 4M x 36 |
|----------+----------------+----------------+---------------|
| 320MB | (2) 16M x 36 | (2) 16M x 36 | (2) 8M x 36 |
|----------+----------------+----------------+---------------|
| 384MB | (2) 16M x 36 | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Board also accepts x 32 |
| SIMMs. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | TAG |
|------------------+--------------------+--------------------|
| 512KB | (2) 64K x 32 | (1) 16K/32K x 8 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHEABLE SIZE CONFIGURATION |
|------------------------------------------------------------|
| Size | CBS |
|----------------------------+-------------------------------|
| » | 64MB | Pins 1 & 2 closed |
|---+------------------------+-------------------------------|
| | 512MB | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS1 | FS2 |
| speed | speed | | | | | |
|--------+----------+------------+-------+-------+-----+-----|
| 166MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS1 | FS2 |
| speed | speed | | | | | |
|--------+----------+------------+-------+-------+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | BF0 | BF1 | FS1 | FS2 |
| speed | speed | | | | | |
|--------+----------+------------+-------+-------+-----+-----|
| 75MHz | 50MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 2 & |
| | | | | | 3 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & 2 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+----------+------------+-------+-------+-----+-----|
| 120MHz | 60MHz | 2x | 2 & 3 | 1 & 2 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 133MHz | 66MHz | 2x | 2 & 3 | 1 & 2 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+----------+------------+-------+-------+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & 3 | 2 & 3 | 1 & | 2 & |
| | | | | | 2 | 3 |
|--------+----------+------------+-------+-------+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & 3 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|--------+----------+------------+-------+-------+-----+-----|
| 200MHz | 66MHz | 3x | 1 & 2 | 2 & 3 | 2 & | 1 & |
| | | | | | 3 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | VID |
|----------------------------+-------------------------------|
| | 2.5v | Pins 7 & 8 closed |
|---+------------------------+-------------------------------|
| | 2.7v | Pins 5 & 6 closed |
|---+------------------------+-------------------------------|
| » | 2.8v | Pins 3 & 4 closed |
|---+------------------------+-------------------------------|
| | 2.9v | Pins 1 & 2 closed |
+------------------------------------------------------------+