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# ASUS COMPUTER INTERNATIONAL
P/I AP6N (REV. 1.0)
Device Type Mainboard
Processor Pentium Pro
Processor Speed 150/166/180/200MHz
Chip Set Intel 440FX
Maximum Onboard 384MB (EDO supported)
Memory
Cache 256/512KB
BIOS Unidentified
Video Chip Set ATI
Maximum Video 4MB
Memory
Video Types VGA
Supported
I/O Options Floppy drive interface, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VGA port, AMC connector, wavetable
connector, USB connector, IR connector, audio
connector, riser slot, Audio in - CD-ROM
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|---------------+-----------+---------------------+----------|
| PS/2 mouse | CN2 | Volume control | CN13 |
| port | | | |
|---------------+-----------+---------------------+----------|
| Serial port 1 | CN3 | Chassis fan power | CN14 |
|---------------+-----------+---------------------+----------|
| Serial port 2 | CN4 | Chassis fan power | CN15 |
|---------------+-----------+---------------------+----------|
| Parallel port | CN5 | Chassis fan power | CN16 |
|---------------+-----------+---------------------+----------|
| VGA port | CN6 | AMC connector | CN17 |
|---------------+-----------+---------------------+----------|
| Floppy drive | CN7 | Audio connector | CN18 |
| interface | | | |
|---------------+-----------+---------------------+----------|
| IDE interface | CN8 | USB connector | CN19 |
| 1 | | | |
|---------------+-----------+---------------------+----------|
| IDE interface | CN9 | AMC connector | CN20 |
| 2 | | | |
|---------------+-----------+---------------------+----------|
| IDE interface | CN10 | Audio in - CD-ROM | CN21 |
| LED | | (Panasonic) | |
|---------------+-----------+---------------------+----------|
| Power LED & | CN11/pins | Audio in - CD-ROM | CN22 |
| Turbo LED | 2,3 | (Sony) | |
|---------------+-----------+---------------------+----------|
| Green PC | CN11/pins | Audio in - CD-ROM | CN23 |
| connector | 4,5 | (Mitsumi) | |
|---------------+-----------+---------------------+----------|
| Reset switch | CN11/pins | Wavetable connector | CN24 |
| | 9,10 | | |
|---------------+-----------+---------------------+----------|
| Keylock | CN11/pins | ATX to AT power | JP2 |
| | 14,15 | connector | |
|---------------+-----------+---------------------+----------|
| Speaker | CN11/pins | Soft off power | JP3 |
| | 17-20 | supply | |
|---------------+-----------+---------------------+----------|
| IR connector | CN12 | Riser slot | SL1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | CMOS memory normal operation | RTCLR | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | RTLCR | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Flash BIOS write protect disabled | BBLKW | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | BBLKW | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | Onboard audio enabled | AUDIO | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Onboard audio disabled | AUDIO | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 8MB | (2)1MB x 36 | None | None |
|------------+---------------+---------------+---------------|
| 16MB | (2)1MB x 36 | (2)1MB x 36 | None |
|------------+---------------+---------------+---------------|
| 16MB | (2)2MB x 36 | None | None |
|------------+---------------+---------------+---------------|
| 24MB | (2)1MB x 36 | (2)1MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 24MB | (2)2MB x 36 | (2)1MB x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2)2MB x 36 | (2)2MB x 36 | None |
|------------+---------------+---------------+---------------|
| 32MB | (2)4MB x 36 | None | None |
|------------+---------------+---------------+---------------|
| 40MB | (2)4MB x 36 | (2)1MB x 36 | None |
|------------+---------------+---------------+---------------|
| 40MB | (2)2MB x 36 | (2)2MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2)2MB x 36 | (2)2MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 48MB | (2)4MB x 36 | (2)2MB x 36 | None |
|------------+---------------+---------------+---------------|
| 56MB | (2)4MB x 36 | (2)2MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2)4MB x 36 | (2)2MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 64MB | (2)4MB x 36 | (2)4MB x 36 | None |
|------------+---------------+---------------+---------------|
| 64MB | (2)8MB x 36 | None | None |
|------------+---------------+---------------+---------------|
| 72MB | (2)8MB x 36 | (2)1MB x 36 | None |
|------------+---------------+---------------+---------------|
| 72MB | (2)4MB x 36 | (2)4MB x 36 | (2)1MB x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 |
|------------+---------------+---------------+---------------|
| 80MB | (2)8MB x 36 | (2)2MB x 36 | None |
|------------+---------------+---------------+---------------|
| 80MB | (2)4MB x 36 | (2)4MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 88MB | (2)8MB x 36 | (2)2MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2)8MB x 36 | (2)2MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2)4MB x 36 | (2)4MB x 36 | (2)4MB x 36 |
|------------+---------------+---------------+---------------|
| 96MB | (2)8MB x 36 | (2)4MB x 36 | None |
|------------+---------------+---------------+---------------|
| 104MB | (2)8MB x 36 | (2)4MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 112MB | (2)8MB x 36 | (2)4MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2)8MB x 36 | (2)4MB x 36 | (2)4MB x 36 |
|------------+---------------+---------------+---------------|
| 128MB | (2)8MB x 36 | (2)8MB x 36 | None |
|------------+---------------+---------------+---------------|
| 128MB | (2)16MB x 36 | None | None |
|------------+---------------+---------------+---------------|
| 136MB | (2)8MB x 36 | (2)8MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 144MB | (2)16MB x 36 | (2)4MB x 36 | None |
|------------+---------------+---------------+---------------|
| 144MB | (2)8MB x 36 | (2)8MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 152MB | (2)16MB x 36 | (2)4MB x 36 | (1)1MB x 36 |
|------------+---------------+---------------+---------------|
| 160MB | (2)16MB x 36 | (2)4MB x 36 | (1)2MB x 36 |
|------------+---------------+---------------+---------------|
| 160MB | (2)8MB x 36 | (2)8MB x 36 | (2)4MB x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2)8MB x 36 | (2)8MB x 36 | (2)8MB x 36 |
|------------+---------------+---------------+---------------|
| 192MB | (2)16MB x 36 | (2)8MB x 36 | None |
|------------+---------------+---------------+---------------|
| 200MB | (2)16MB x 36 | (2)8MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 208MB | (2)16MB x 36 | (2)8MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 224MB | (2)16MB x 36 | (2)8MB x 36 | (2)4MB x 36 |
|------------+---------------+---------------+---------------|
| 256MB | (2)16MB x 36 | (2)8MB x 36 | (2)8MB x 36 |
|------------+---------------+---------------+---------------|
| 256MB | (2)16MB x 36 | (2)16MB x 36 | None |
|------------+---------------+---------------+---------------|
| 264MB | (2)16MB x 36 | (2)16MB x 36 | (2)1MB x 36 |
|------------+---------------+---------------+---------------|
| 272MB | (2)16MB x 36 | (2)16MB x 36 | (2)2MB x 36 |
|------------+---------------+---------------+---------------|
| 288MB | (2)16MB x 36 | (2)16MB x 36 | (2)4MB x 36 |
|------------+---------------+---------------+---------------|
| 320MB | (2)16MB x 36 | (2)16MB x 36 | (2)8MB x 36 |
|------------+---------------+---------------+---------------|
| 384MB | (2)16MB x 36 | (2)16MB x 36 | (2)16MB x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------+-----------------------+-----------------------|
| 2MB | (4) 512KB | None |
|------------+-----------------------+-----------------------|
| 4MB | (4) 512KB | (4) 512KB |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION |
|------------------------------------------------------------|
|Speed |Clock |Multiplier|FS0|FS1| BF0 | BF1 | BF2 | BF3 |
| |Speed | | | | | | | |
|------+------+----------+---+---+------+------+------+------|
|150MHz|60MHz | 2.5x |1 &|2 &| Open |Closed|Closed|Closed|
| | | | 2 | 3 | | | | |
|------+------+----------+---+---+------+------+------+------|
|166MHz|66MHz | 2.5x |2 &|1 &| Open |Closed|Closed|Closed|
| | | | 3 | 2 | | | | |
|------+------+----------+---+---+------+------+------+------|
|180MHz|60MHz | 3x |1 &|2 &|Closed| Open |Closed|Closed|
| | | | 2 | 3 | | | | |
|------+------+----------+---+---+------+------+------+------|
|200MHz|66MHz | 3x |2 &|1 &|Closed| Open |Closed|Closed|
| | | | 3 | 2 | | | | |
|------------------------------------------------------------|
|Note : Numbers designate pins that should be closed. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION |
|------------------------------------------------------------|
| Voltage | VID0 | VID1 | VID2 | VID3 |
|---------+------------+------------+------------+-----------|
| Auto | Open | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 2.1V | Closed | Open | Open | Open |
|---------+------------+------------+------------+-----------|
| 2.2V | Open | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 2.3V | Closed | Closed | Open | Open |
|---------+------------+------------+------------+-----------|
| 2.4V | Open | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 2.5V | Closed | Open | Closed | Open |
|---------+------------+------------+------------+-----------|
| 2.6V | Open | Closed | Closed | Open |
|---------+------------+------------+------------+-----------|
| 2.7V | Closed | Closed | Closed | Open |
|---------+------------+------------+------------+-----------|
| 2.8V | Open | Open | Open | Closed |
|---------+------------+------------+------------+-----------|
| 2.9V | Closed | Open | Open | Closed |
|---------+------------+------------+------------+-----------|
| 3.0V | Open | Closed | Open | Closed |
|---------+------------+------------+------------+-----------|
| 3.1V | Closed | Closed | Open | Closed |
|---------+------------+------------+------------+-----------|
| 3.2V | Open | Open | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 3.3V | Closed | Open | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 3.4V | Open | Closed | Closed | Closed |
|---------+------------+------------+------------+-----------|
| 3.5V | Closed | Closed | Closed | Closed |
+------------------------------------------------------------+