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# ACER, INC.
AP5T
Processor CX 6X86/CX 6X86L/AM K5/AM K6/Pentium
Processor Speed 90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI
Dimensions 280mm x 220mm
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), USB connector, IR connector
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+------------+------------------+-----------|
| Power LED & | C1/pins 1 | Serial port 1 | CN2 |
| keylock | – 5 | | |
|----------------+------------+------------------+-----------|
| Speaker | C1/pins 7 | Parallel port | CN3 |
| | - 10 | | |
|----------------+------------+------------------+-----------|
| Green PC LED | C1/pins 12 | Floppy drive | CN4 |
| | & 13 | interface | |
|----------------+------------+------------------+-----------|
| Green PC | C1/pins 15 | IDE interface 1 | CN5 |
| connector | - 17 | | |
|----------------+------------+------------------+-----------|
| Reset switch | C1/pins 19 | IDE interface 2 | CN6 |
| | & 20 | | |
|----------------+------------+------------------+-----------|
| IR connector | C2 | USB connector | CN7 |
|----------------+------------+------------------+-----------|
| IDE interface | C3 | PS/2 mouse | CN8 |
| LED | | interface | |
|----------------+------------+------------------+-----------|
| Chassis fan | C4 | 32-bit PCI slots | PC1 – PC4 |
| power | | | |
|----------------+------------+------------------+-----------|
| Serial port 2 | CN1 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------+-------+-----------------|
| » | CMOS memory normal operation | JP14 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | CMOS memory clear | JP14 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | On board I/O enabled | JP18 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | On board I/O disabled | JP18 | Pins 2 & 3 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| » | PS/2 mouse enabled | JP20 | Pins 1 & 2 |
| | | | closed |
|---+------------------------------+-------+-----------------|
| | PS/2 mouse disabled | JP20 | Pins 2 & 3 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SIMM 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 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 16M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 16M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 16M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 192MB | (2) 16M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------------------------------------------------|
| Note: Board accepts EDO memory. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DIMM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 8MB | (1) 1M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 2M x 64 | None |
|------------------+--------------------+--------------------|
| 16MB | (1) 1M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 24MB | (1) 2M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 32MB | (1) 4M x 64 | None |
|------------------+--------------------+--------------------|
| 32MB | (1) 2M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 40MB | (1) 4M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 48MB | (1) 4M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 64MB | (1) 8M x 64 | None |
|------------------+--------------------+--------------------|
| 64MB | (1) 4M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 72MB | (1) 8M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 80MB | (1) 8M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 96MB | (1) 8M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 128MB | (1) 16M x 64 | None |
|------------------+--------------------+--------------------|
| 128MB | (1) 8M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 136MB | (1) 16M x 64 | (1) 1M x 64 |
|------------------+--------------------+--------------------|
| 144MB | (1) 16M x 64 | (1) 2M x 64 |
|------------------+--------------------+--------------------|
| 160MB | (1) 16M x 64 | (1) 4M x 64 |
|------------------+--------------------+--------------------|
| 192MB | (1) 16M x 64 | (1) 8M x 64 |
|------------------+--------------------+--------------------|
| 256MB | (1) 16M x 64 | (1) 16M x 64 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
|------------------------------------------------------------|
| Note: The location of bank 0 is unidentified. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86/6X 86L) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K5) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 1.75x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AM K6) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| CPU | Clock | Multiplier | JP1 | JP2 | JP3 | JP4 | JP5 |
| speed | speed | | | | | | |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 90MHz | 60MHz | 1.5x | 1 & | 1 & | 1 & | 2 & | 1 & |
| | | | 2 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 100MHz | 66MHz | 1.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 120MHz | 60MHz | 2x | 2 & | 1 & | 1 & | 2 & | 1 & |
| | | | 3 | 2 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 133MHz | 66MHz | 2x | 2 & | 1 & | 2 & | 1 & | 1 & |
| | | | 3 | 2 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 150MHz | 60MHz | 2.5x | 2 & | 2 & | 1 & | 2 & | 1 & |
| | | | 3 | 3 | 2 | 3 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 166MHz | 66MHz | 2.5x | 2 & | 2 & | 2 & | 1 & | 1 & |
| | | | 3 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 200MHz | 66MHz | 3x | 1 & | 2 & | 2 & | 1 & | 1 & |
| | | | 2 | 3 | 3 | 2 | 2 |
|---------+-------+------------+-----+-----+-----+-----+-----|
| 233MHz | 66MHz | 3.5x | 1 & | 1 & | 2 & | 1 & | 1 & |
| | | | 2 | 2 | 3 | 2 | 2 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. If |
| board is AP5T-1, ignore JP5. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP7 | JP8 | JP9 | JP10 |
|------------+----------+----------+----------------+--------|
| 3.45v | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | Open |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | V core | JP7 | JP8 | JP9 | JP10 |
|----------+---------+---------+-------+------+--------------|
| 3.45v | 2.8v | 7 & 8 | 1 & 2 | Open | 1 & 2, 3 & 4 |
|----------+---------+---------+-------+------+--------------|
| 3.45v | 2.9v | 5 & 6 | 1 & 2 | Open | 1 & 2, 3 & 4 |
|----------+---------+---------+-------+------+--------------|
| 3.45v | 3.2v | 9 & 10 | 1 & 2 | Open | 1 & 2, 3 & 4 |
|----------+---------+---------+-------+------+--------------|
| 3.45v | 3.52v | 3 & 4 | 1 & 2 | Open | 1 & 2, 3 & 4 |
|------------------------------------------------------------|
| Note: Pins designated should be in the closed position. |
+------------------------------------------------------------+