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# ASUS COMPUTER INTERNATIONAL
P/I-AP55TV (Rev. 1.2)
Processor CX M1/AM K5/Pentium
Processor Speed 75/90/100/120/133/150/166/200MHz
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 1 | CN14 |
|-----------------+----------+-----------------+-------------|
| Parallel port | CN2 | IDE interface 2 | CN15 |
|-----------------+----------+-----------------+-------------|
| Serial port 2 | CN3 | Chassis fan | CN16 |
| | | power | |
|-----------------+----------+-----------------+-------------|
| Serial port 1 | CN4 | IR connector | CN17 |
|-----------------+----------+-----------------+-------------|
| PS/2 mouse port | CN5 | IDE interface | CN18 |
| | | LED | |
|-----------------+----------+-----------------+-------------|
| USB connector | CN6 | Power LED & | CN19 pins 1 |
| | | keylock | - 5 |
|-----------------+----------+-----------------+-------------|
| Audio connector | CN7 | Speaker | CN19 pins 7 |
| | | | - 10 |
|-----------------+----------+-----------------+-------------|
| Wavetable | CN8 | Power LED | CN19 pins |
| connector | | | 12 & 13 |
|-----------------+----------+-----------------+-------------|
| Panasonic CD | CN9 | Green PC | CN19 pins |
| audio in | | connector | 14 & 15 |
|-----------------+----------+-----------------+-------------|
| Sony CD audio | CN10 | Reset switch | CN19 pins |
| in | | | 19 & 20 |
|-----------------+----------+-----------------+-------------|
| Mistumi CD | CN11 | Cache slot | SL1 |
| audio in | | | |
|-----------------+----------+-----------------+-------------|
| AMC connector | CN12 | Riser slot | SL2 |
|-----------------+----------+-----------------+-------------|
| Floppy drive | CN13 | Volume control | VOL CON |
| interface | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|---------------------------------------+-------+------------|
| » | Onboard audio enabled | JP4A | Pins 1 & 2 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| | Onboard audio disabled | JP4A | Pins 2 & 3 |
| | | | closed |
|---+-----------------------------------+-------+------------|
| » | CMOS memory normal operation | JP5A | Closed |
|---+-----------------------------------+-------+------------|
| | CMOS memory clear | JP5A | Open |
|---+-----------------------------------+-------+------------|
| » | 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|2 & 3|
|------------------------------------------------------------|
|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|
|---------+---------+----------+-----+-----+-----+-----+-----|
| 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 |
+------------------------------------------------------------+