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# ASUS COMPUTER INTERNATIONAL
P/I-P6RP4
Processor Pentium Pro
Processor Speed 150/166MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 512MB
Memory
Maximum Video None
Memory
Cache 256/512KB (on Pentium Pro CPU)
BIOS AMI
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), IR connector, MediaBus connector,
VRM connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+-------------+---------------+------------|
| Serial port 1 | CN1 | Green PC | CON1 pins |
| | | connector | 14 & 15 |
|-----------------+-------------+---------------+------------|
| Serial port 2 | CN2 | Reset switch | CON1 pins |
| | | | 19 & 20 |
|-----------------+-------------+---------------+------------|
| Parallel port | CN3 | IDE interface | JP27 |
| | | LED | |
|-----------------+-------------+---------------+------------|
| Floppy drive | CN4 | Chassis fan | JP1601 |
| interface | | power | |
|-----------------+-------------+---------------+------------|
| IDE interface 2 | CN5 | Chassis fan | JP1602 |
| | | power | |
|-----------------+-------------+---------------+------------|
| IDE interface 1 | CN6 | IR connector | IR |
|-----------------+-------------+---------------+------------|
| PS/2 mouse | CN7 | 32-bit PCI | PC1 - PC4 |
| interface | | slots | |
|-----------------+-------------+---------------+------------|
| Power LED & | CON1 pins 1 | MediaBus slot | SL1 |
| keylock | - 5 | | |
|-----------------+-------------+---------------+------------|
| Speaker | CON1 pins 7 | VRM connector | VRM |
| | - 10 | | |
|-----------------+-------------+---------------+------------|
| Turbo LED | CON1 pins | | |
| | 12 & 13 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+--------+------------|
| » | IDE interface enabled | JP2 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | IDE interface disabled | JP2 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | PS/2 mouse IRQ enabled | JP5 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | PS/2 mouse IRQ disabled | JP5 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP23 | Open |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP23 | Closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS voltage select 5v | JP24 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS voltage select 12v | JP24 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS write protect enabled | JP25 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS write protect | JP25 | Pins 2 & 3 |
| | disabled | | closed |
|---+----------------------------------+--------+------------|
| » | Flash BIOS boot block write | JP26 | Pins 1 & 2 |
| | disabled | | closed |
|---+----------------------------------+--------+------------|
| | Flash BIOS boot block write | JP26 | Pins 2 & 3 |
| | enabled | | closed |
|---+----------------------------------+--------+------------|
| » | On board I/O enabled | JP2005 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board I/O disabled | JP2005 | Pins 2 & 3 |
| | | | 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 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 32M x 36 | None |
|------------------+--------------------+--------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Note: 256KB/512KB cache is located on the Pentium Pro CPU. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU BUS CORE SELECTION |
|------------------------------------------------------------|
|Bus:core | Bus | CPU core | JP19 |JP20 |JP21 |JP22 |
|---------+-----------+-------------+------+-----+-----+-----|
| |1/2 |60MHz/66MHz|120MHz/133MHz|2 & 3 |2 & 3|2 & 3|2 & 3|
|----+----+-----------+-------------+------+-----+-----+-----|
| |1/3 |60MHz/66MHz|180MHz/200MHz|2 & 3 |2 & 3|2 & 3|1 & 2|
|----+----+-----------+-------------+------+-----+-----+-----|
| |1/4 | N/A | N/A |2 & 3 |1 & 2|2 & 3|2 & 3|
|----+----+-----------+-------------+------+-----+-----+-----|
| |1/5 | N/A | N/A |2 & 3 |1 & 2|2 & 3|1 & 2|
|----+----+-----------+-------------+------+-----+-----+-----|
|» |2/5 |60MHz/66MHz|150MHz/166MHz|1 & 2 |2 & 3|2 & 3|2 & 3|
|----+----+-----------+-------------+------+-----+-----+-----|
| |2/7 | N/A | N/A |1 & 2 |2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | JP10 | JP11 | JP12 | JP13 |
|---------+------------+------------+------------+-----------|
| VID | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & 2 | Pins 1 & |
| | closed | closed | closed | 2 closed |
|---------+------------+------------+------------+-----------|
| 2.1v | Open | Open | Open | Pins 2 & |
| | | | | 3 closed |
|---------+------------+------------+------------+-----------|
| 2.2v | Open | Open | Pins 2 & 3 | Open |
| | | | closed | |
|---------+------------+------------+------------+-----------|
| 2.3v | Open | Open | Pins 2 & 3 | Pins 2 & |
| | | | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 2.4v | Open | Pins 2 & 3 | Open | Open |
| | | closed | | |
|---------+------------+------------+------------+-----------|
| 2.5v | Open | Pins 2 & 3 | Open | Pins 2 & |
| | | closed | | 3 closed |
|---------+------------+------------+------------+-----------|
| 2.6v | Open | Pins 2 & 3 | Pins 2 & 3 | Open |
| | | closed | closed | |
|---------+------------+------------+------------+-----------|
| 2.7v | Open | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | | closed | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 2.8v | Pins 2 & 3 | Open | Open | Open |
| | closed | | | |
|---------+------------+------------+------------+-----------|
| 2.9v | Pins 2 & 3 | Open | Open | Pins 2 & |
| | closed | | | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.0v | Pins 2 & 3 | Open | Pins 2 & 3 | Open |
| | closed | | closed | |
|---------+------------+------------+------------+-----------|
| 3.1v | Pins 2 & 3 | Open | Pins 2 & 3 | Pins 2 & |
| | closed | | closed | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.2v | Pins 2 & 3 | Pins 2 & 3 | Open | Open |
| | closed | closed | | |
|---------+------------+------------+------------+-----------|
| 3.3v | Pins 2 & 3 | Pins 2 & 3 | Open | Pins 2 & |
| | closed | closed | | 3 closed |
|---------+------------+------------+------------+-----------|
| 3.4v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Open |
| | closed | closed | closed | |
|---------+------------+------------+------------+-----------|
| 3.5v | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & 3 | Pins 2 & |
| | closed | closed | closed | 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE INDENTIFICATION SELECTION |
|------------------------------------------------------------|
| Setting | JP201 | JP202 | JP203 | JP204 |
|------------------------+--------+--------+--------+--------|
| » | Pull high disabled | Open | Open | Open | Open |
|---+--------------------+--------+--------+--------+--------|
| | Pull high enabled | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP3 | JP4 |
|------------------+--------------------+--------------------|
| 1 | Pins 1 & 2 closed | Pins 1 & 2 closed |
|------------------+--------------------+--------------------|
| 3 | Pins 2 & 3 closed | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI MASTER/SLAVE SELECTION |
|------------------------------------------------------------|
| Master | Slave | JP2201 | JP2202 |
|------------+------------+-----------------+----------------|
| PCI IDE | PCI slot 1 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|------------+------------+-----------------+----------------|
| PCI slot 1 | PCI IDE | Pins 2 & 3 | Pins 2 & 3 |
| | | closed | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PCI IRQ SELECTION |
|------------------------------------------------------------|
| Setting | IRQ | JP6 | JP7 | JP8 | JP9 |
|--------------------+-------+-------+-------+-------+-------|
| | PCI 1 | IRQ14 | 1 & 2 | N/A | N/A | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 1 | IRQ15 | N/A | 1 & 2 | N/A | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 2 | IRQ14 | 3 & 4 | N/A | N/A | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 2 | IRQ15 | N/A | 3 & 4 | N/A | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 3 | IRQ14 | N/A | N/A | 1 & 2 | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 3 | IRQ15 | N/A | N/A | N/A | 1 & 2 |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 4 | IRQ14 | N/A | N/A | 3 & 4 | N/A |
|---+----------------+-------+-------+-------+-------+-------|
| | PCI 4 | IRQ15 | N/A | N/A | N/A | 3 & 4 |
|---+----------------+-------+-------+-------+-------+-------|
| | IRQ routing by | IRQ14 | 2 & 3 | N/A | 2 & 3 | N/A |
| | chipset | | | | | |
|---+----------------+-------+-------+-------+-------+-------|
| » | IRQ routing by | IRQ15 | N/A | 2 & 3 | N/A | 2 & 3 |
| | chipset | | | | | |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 SELECTION |
|------------------------------------------------------------|
| Setting | JP2003 | JP2004 |
|------------------------+-----------------+-----------------|
| » | Used as COM2 | Pins 1 & 2 | Pins 1 & 2 |
| | | closed | closed |
|---+--------------------+-----------------+-----------------|
| | Used as IR | Pins 2 & 3 | Pins 2 & 3 |
| | connector | closed | closed |
+------------------------------------------------------------+