TEXT View Source
# ACER, INC.
AP53 (Rev. 3.0)
Processor Pentium/Pentium MMX/AMK5/AMK6/CX 6x86
Processor Speed 75/90/100/120/133/150/166/200/233MHz
Chip Set Intel
Video Chip Set None
Maximum Onboard 512MB
Memory
Maximum Video None
Memory
Cache 256/512KB
BIOS AMI
Dimensions 250mm 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, USB
connector, IR connector, serial ports (2)
NPU Options None
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------+----------+----------------+---------------|
| PS/2 mouse | CN4 | IR connector | CN14 |
| interface | | | |
|----------------+----------+----------------+---------------|
| USB connector | CN5 | CPU fan | CN15 |
| | | connector | |
|----------------+----------+----------------+---------------|
| Serial port 2 | CN6 | Keylock | CN16 Pins 1&2 |
|----------------+----------+----------------+---------------|
| Serial port 1 | CN7 | Power LED | CN16 Pins 3-5 |
|----------------+----------+----------------+---------------|
| Floppy drive | CN8 | Speaker | CN16 Pins |
| interface | | | 7-10 |
|----------------+----------+----------------+---------------|
| Parallel port | CN9 | Green PC LED | CN16 Pins |
| | | | 12&13 |
|----------------+----------+----------------+---------------|
| IDE interface | CN10 | Suspend switch | CN16 Pins |
| 1 | | | 15-17 |
|----------------+----------+----------------+---------------|
| IDE interface | CN11 | Reset switch | CN16 Pins |
| 2 | | | 19&20 |
|----------------+----------+----------------+---------------|
| IDE LED | CN12 | 32-bit PCI | PCI1-4 |
| connector | | slots | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|--------------------------------------+--------+------------|
| » | PS/2 mouse IRQ12 enabled | JP4 | Closed |
|---+----------------------------------+--------+------------|
| | PS/2 mouse IRQ12 disabled | JP4 | Open |
|---+----------------------------------+--------+------------|
| » | CMOS memory normal operation | JP5 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | CMOS memory clear | JP5 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | On board I/O controller enabled | JP8 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | On board I/O controller disabled | JP8 | Pins 2 & 3 |
| | | | closed |
|---+----------------------------------+--------+------------|
| » | I/O voltage set at 3.43V | JP12 | Pins 1 & 2 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | I/O Voltage set at 3.52V | JP12 | Pins 3 & 4 |
| | | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP1301 | Pins 2 & 3 |
| | alter | | closed |
|---+----------------------------------+--------+------------|
| | Factory configured - do not | JP1302 | Pins 2 & 3 |
| | alter | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 4MB | (2) 512K x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 1M x 36 | None |
|------------------+--------------------+--------------------|
| 8MB | (2) 512K x 36 | (2) 512K x 36 |
|------------------+--------------------+--------------------|
| 12MB | (2) 512K x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 16MB | (2) 2M x 36 | None |
|------------------+--------------------+--------------------|
| 16MB | (2) 1M x 36 | (2) 1M x 36 |
|------------------+--------------------+--------------------|
| 20MB | (2) 512K x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 24MB | (2) 1M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 32MB | (2) 4M x 36 | None |
|------------------+--------------------+--------------------|
| 32MB | (2) 2M x 36 | (2) 2M x 36 |
|------------------+--------------------+--------------------|
| 36MB | (2) 512K x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 40MB | (2) 1M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 48MB | (2) 2M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 64MB | (2) 8M x 36 | None |
|------------------+--------------------+--------------------|
| 64MB | (2) 4M x 36 | (2) 4M x 36 |
|------------------+--------------------+--------------------|
| 68MB | (2) 512K x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 72MB | (2) 1M x 36 | (2) 8M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DRAM CONFIGURATION (CONT.) |
|------------------------------------------------------------|
| Size | Bank 0 | Bank 1 |
|------------------+--------------------+--------------------|
| 80MB | (2) 2M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 96MB | (2) 4M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 8M x 36 | (2) 8M x 36 |
|------------------+--------------------+--------------------|
| 128MB | (2) 16M x 36 | None |
|------------------+--------------------+--------------------|
| 136MB | (2) 1M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 144MB | (2) 2M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 160MB | (2) 4M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 16M x 36 | (2) 16M x 36 |
|------------------+--------------------+--------------------|
| 256MB | (2) 32M x 36 | None |
|------------------+--------------------+--------------------|
| 264MB | (2) 1M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 272MB | (2) 2M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 288MB | (2) 4M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 320MB | (2) 8M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 384MB | (2) 16M x 36 | (2) 32M x 36 |
|------------------+--------------------+--------------------|
| 512MB | (2) 32M x 36 | (2) 32M x 36 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CACHE CONFIGURATION |
|------------------------------------------------------------|
| Size | Bank 0 |
|----------------------------+-------------------------------|
| 256KB | (2) 32K x 32 |
|----------------------------+-------------------------------|
| 512KB | (2) 64K x 32 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL) |
|------------------------------------------------------------|
| Speed | Clock | Multiplier | JP10 | JP1 |
| | Speed | | | |
|--------+---------+------------+--------------+-------------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & 4 | 1 & 2, 3 & |
| | | | | 4 |
|--------+---------+------------+--------------+-------------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 3 & 4 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 100MHz | 66MHz | 1.5x | 1 & 2 | 3 & 4 |
|--------+---------+------------+--------------+-------------|
| 120MHz | 60MHz | 2x | 3 & 4, 5 & 6 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 133MHz | 66MHz | 2x | 3 & 4, 5 & 6 | 3 & 4 |
|--------+---------+------------+--------------+-------------|
| 150MHz | 60 MHz | 2.5x | 5 & 6, 7 & 8 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 166MHz | 66MHz | 2.5x | 5 & 6, 7 & 8 | 3 & 4 |
|--------+---------+------------+--------------+-------------|
| 200MHz | 66MHz | 3x | 1 & 2, 7 & 8 | 3 & 4 |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (INTEL MMX) |
|------------------------------------------------------------|
| Speed | Clock Speed | Multiplier | JP10 | JP1 |
|---------+-------------+------------+---------------+-------|
| 150MHz | 60MHz | 2.5x | 5 & 6, 7 & 8 | 1 & 2 |
|---------+-------------+------------+---------------+-------|
| 166MHz | 66MHz | 2.5x | 5 & 6, 7 & 8 | 3 & 4 |
|---------+-------------+------------+---------------+-------|
| 200MHz | 66MHz | 3x | 1 & 2, 7 & 8 | 3 & 4 |
|---------+-------------+------------+---------------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2, 3 & 4 | 3 & 4 |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (CX 6X86) |
|------------------------------------------------------------|
| Speed | Clock | Multiplier | JP10 | JP1 |
| | Speed | | | |
|--------+---------+------------+--------------+-------------|
| 120MHz | 50MHz | 2x | 3 & 4, 5 & 6 | 1 & 2, 3 & |
| | | | | 4 |
|--------+---------+------------+--------------+-------------|
| 133MHz | 55MHz | 2x | 3 & 4, 5 & 6 | All open |
|--------+---------+------------+--------------+-------------|
| 150MHz | 60MHz | 2x | 3 & 4, 5 & 6 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 166MHz | 66MHz | 2x | 3 & 4, 5 & 6 | 3 & 4 |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMK5) |
|------------------------------------------------------------|
| Speed | Clock | Multiplier | JP10 | JP1 |
| | Speed | | | |
|--------+---------+------------+--------------+-------------|
| 75MHz | 50MHz | 1.5x | 1 & 2, 3 & 4 | 1 & 2, 3 & |
| | | | | 4 |
|--------+---------+------------+--------------+-------------|
| 90MHz | 60MHz | 1.5x | 1 & 2, 3 & 4 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 100MHz | 66MHz | 1.5x | 1 & 2, 3 & 4 | 3 & 4 |
|--------+---------+------------+--------------+-------------|
| 120MHz | 60MHz | 1.5x | 1 & 2, 3 & 4 | 1 & 2 |
|--------+---------+------------+--------------+-------------|
| 133MHz | 66MHz | 1.5x | 1 & 2, 3 & 4 | 3 & 4 |
|--------+---------+------------+--------------+-------------|
| 166MHz | 66MHz | 1.75x | 5 & 6, 7 & 8 | 3 & 4 |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU SPEED SELECTION (AMK6) |
|------------------------------------------------------------|
| Speed | Clock Speed | Multiplier | JP10 | JP1 |
|---------+-------------+------------+---------------+-------|
| 166MHz | 66MHz | 2.5x | 5 & 5, 7 & 8 | 3 & 4 |
|---------+-------------+------------+---------------+-------|
| 200MHz | 66MHz | 3x | 1 & 2, 7 & 8 | 3 & 4 |
|---------+-------------+------------+---------------+-------|
| 233MHz | 66MHz | 3.5x | 1 & 2, 3 & 4 | 3 & 4 |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (SINGLE) |
|------------------------------------------------------------|
| Voltage | JP11 |
|----------------------------+-------------------------------|
| 2.5V | Pins 5 & 6 closed |
|----------------------------+-------------------------------|
| 2.8V | Pins 9 & 10 closed |
|----------------------------+-------------------------------|
| 2.9V | Pins 11 & 12 closed |
|----------------------------+-------------------------------|
| 3.2V | Pins 7 & 8 closed |
|----------------------------+-------------------------------|
| 3.45V | Pins 1 & 2 closed |
|----------------------------+-------------------------------|
| 3.52V | Pins 3 & 4 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CPU VOLTAGE SELECTION (DUAL) |
|------------------------------------------------------------|
| Voltage | JP11 | JP12 | JP3 | JP13 |
|---------+-----------+--------+--------------+--------------|
| 2.8V | 9 & 10 | 1 & 2 | All open | 1 & 2, 3 & 4 |
|---------+-----------+--------+--------------+--------------|
| 2.9V | 11 & 12 | 1 & 2 | All open | 1 & 2, 3 & 4 |
|---------+-----------+--------+--------------+--------------|
| 3.2V | 7 & 8 | 1 & 2 | All open | 1 & 2, 3 & 4 |
|---------+-----------+--------+--------------+--------------|
| 3.43V | 1 & 2 | 1 & 2 | 1 & 2, 3 & 4 | All open |
|---------+-----------+--------+--------------+--------------|
| 3.52V | 3 & 4 | 1 & 2 | 1 & 2, 3 & 4 | All open |
|------------------------------------------------------------|
| Note : Pins designated should be in the closed position |
+------------------------------------------------------------+