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# ASUS COMPUTER INTERNATIONAL
P/I-AP55TV
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200MHz
Chip Set Intel
Video Chip Set ATI
Maximum Onboard 128MB (EDO supported)
Memory
Maximum Video 4MB
Memory
Cache 256/512KB
BIOS Unidentified
Dimensions 330mm x 218mm
I/O Options CD-ROM interfaces (3), floppy drive interface,
green PC connector, IDE interfaces (2),
parallel port, PS/2 mouse port, serial ports
(2), VGA port, riser slot, cache slot, IR
connector, USB connector, audio connector,
wavetable connector, AMC connector software
power on switch, software power on connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-----------------+----------+-----------------+-------------|
| VGA port | CN1 | IDE interface 2 | CN15 |
|-----------------+----------+-----------------+-------------|
| Parallel port | CN2 | Chassis fan | CN16 |
| | | power | |
|-----------------+----------+-----------------+-------------|
| Serial port 2 | CN3 | IR connector | CN17 |
|-----------------+----------+-----------------+-------------|
| Serial port 1 | CN4 | IDE interface | CN18 |
| | | LED | |
|-----------------+----------+-----------------+-------------|
| PS/2 mouse port | CN5 | Power LED & | CN19 pins 1 |
| | | keylock | - 5 |
|-----------------+----------+-----------------+-------------|
| USB connector | CN6 | Speaker | CN19 pins 7 |
| | | | - 10 |
|-----------------+----------+-----------------+-------------|
| Audio connector | CN7 | Power LED | CN19 pins |
| | | | 12 & 13 |
|-----------------+----------+-----------------+-------------|
| Wavetable | CN8 | Green PC | CN19 pins |
| connector | | connector | 14 & 15 |
|-----------------+----------+-----------------+-------------|
| Panasonic CD in | CN9 | Reset switch | CN19 pins |
| | | | 19 & 20 |
|-----------------+----------+-----------------+-------------|
| Sony CD in | CN10 | Software power | JP4 |
| | | on switch | |
|-----------------+----------+-----------------+-------------|
| Mistumi CD in | CN11 | Software power | JP5 |
| | | on connector | |
|-----------------+----------+-----------------+-------------|
| AMC connector | CN12 | Cache slot | SL1 |
|-----------------+----------+-----------------+-------------|
| Floppy drive | CN13 | Riser slot | SL2 |
| interface | | | |
|-----------------+----------+-----------------+-------------|
| IDE interface 1 | CN14 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Flash BIOS write protect disabled | JP6 | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Flash BIOS write protect enabled | JP6 | 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 |
|----------------+---------------------+---------------------|
| 24MB | (2) 2M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 32MB | (2) 4M x 36 | None |
|----------------+---------------------+---------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 40MB | (2) 4M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 48MB | (2) 4M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 64MB | (2) 8M x 36 | None |
|----------------+---------------------+---------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 72MB | (2) 8M x 36 | (2) 1M x 36 |
|----------------+---------------------+---------------------|
| 80MB | (2) 8M x 36 | (2) 2M x 36 |
|----------------+---------------------+---------------------|
| 96MB | (2) 8M x 36 | (2) 4M x 36 |
|----------------+---------------------+---------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. Banks are interchangeable. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | TAG |
|-----------+--------------+------------------+--------------|
| 256KB (A) | None | 256KB module | Unidentified |
| | | installed | |
|-----------+--------------+------------------+--------------|
| 256KB (B) | (2) 32K x 32 | Not installed | Unidentified |
|-----------+--------------+------------------+--------------|
| 512KB (A) | (2) 32K x 32 | 256KB module | Unidentified |
| | | installed | |
|-----------+--------------+------------------+--------------|
| 512KB (B) | None | 512KB module | Unidentified |
| | | installed | |
|-----------+--------------+------------------+--------------|
| 512KB (C) | (2) 64K x 32 | Not installed | Unidentified |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE JUMPER CONFIGURATION |
|------------------------------------------------------------|
| Size | JP17 |
|----------------------------+-------------------------------|
| 256KB (A) | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 256KB (B) | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| 512KB (A) | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB (B) | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 512KB (C) | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| VIDEO MEMORY CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 | Bank 2 | Bank 3 |
|------+--------------+------------+------------+------------|
| 1MB | (2) 256K x | None | None | None |
| | 16 | | | |
|------+--------------+------------+------------+------------|
| 2MB | (2) 256K x | (2) 256K x | None | None |
| | 16 | 16 | | |
|------+--------------+------------+------------+------------|
| 3MB | (2) 256K x | (2) 256K x | (2) 256K x | None |
| | 16 | 16 | 16 | |
|------+--------------+------------+------------+------------|
| 4MB | (2) 256K x | (2) 256K x | (2) 256K x | (2) 256K x |
| | 16 | 16 | 16 | 16 |
|------------------------------------------------------------|
| Note: The location of banks 1, 2 & 3 are unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CYRIX) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP14 |JP15 |JP16 |JP18 |JP19 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3|1 & 2|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMD) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP14 |JP15 |JP16 |JP18 |JP19 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|1 & 2|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |1 & 2|2 & 3|2 & 3|1 & 2|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
|CPU speed| Clock |Multiplier|JP14 |JP15 |JP16 |JP18 |JP19 |
| | speed | | | | | | |
|---------+---------+----------+-----+-----+-----+-----+-----|
| 75MHz | 50MHz | 1.5x |2 & 3|2 & 3|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x |2 & 3|2 & 3|1 & 2|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x |1 & 2|2 & 3|2 & 3|1 & 2|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x |2 & 3|2 & 3|1 & 2|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x |1 & 2|2 & 3|2 & 3|1 & 2|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x |2 & 3|2 & 3|1 & 2|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x |1 & 2|2 & 3|2 & 3|2 & 3|2 & 3|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 180MHz | 60MHz | 3x |2 & 3|2 & 3|1 & 2|2 & 3|1 & 2|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x |1 & 2|2 & 3|2 & 3|2 & 3|1 & 2|
|------------------------------------------------------------|
|Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP20 | JP21 |
|------------------------+-----------------+-----------------|
| » | 3.38v (STD) | Closed | Open |
|---+--------------------+-----------------+-----------------|
| | 3.5v (VRE) | Open | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP22 | JP23 | JP24 | JP25 | JP26 |
|--------------+---------+--------+--------+--------+--------|
| | 2.5v | Open | Open | Open | Closed | Open |
|---+----------+---------+--------+--------+--------+--------|
| | 2.7v | Open | Closed | Open | Open | Open |
|---+----------+---------+--------+--------+--------+--------|
| » | 2.8v | Closed | Open | Open | Open | Open |
|---+----------+---------+--------+--------+--------+--------|
| | 2.9v | Open | Open | Closed | Open | Open |
|---+----------+---------+--------+--------+--------+--------|
| | Reserved | Open | Open | Open | Open | Closed |
+------------------------------------------------------------+