ACER, INC.
AP53
|
Processor |
Pentium |
|
Processor Speed |
75/90/100/120/133/150/166MHz |
|
Chip Set |
Intel |
|
Video Chip Set |
None |
|
Maximum Onboard Memory |
512MB |
|
Maximum Video Memory |
None |
|
Cache |
256KB |
|
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, serial ports (2) |
|
NPU Options |
None |
|
CONNECTIONS | |||
|
Purpose |
Location |
Purpose |
Location |
|
Serial port 2 |
CN1 |
Speaker |
CN8 pins 7 - 10 |
|
Serial port 1 |
CN2 |
Turbo/green PC LED |
CN8 pins 12 & 13 |
|
Parallel port |
CN3 |
Turbo switch/green PC connector |
CN8 pins 15 - 17 |
|
Floppy drive interface |
CN4 |
Reset switch |
CN8 pins 19 & 20 |
|
IDE interface 2 |
CN5 |
Chassis fan power |
CN9 |
|
IDE interface 1 |
CN6 |
IDE interface LED |
CN12 |
|
PS/2 mouse interface |
CN7 |
32-bit PCI slots |
PC1 - PC4 |
|
Power LED & keylock |
CN8 pins 1 - 5 | ||
|
Note: If connector for CN8 is 12-pin, connect red wire to pin 11. | |||
|
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 | |
|
|
Keyboard clock select ISA clock |
JP1401 |
Pins 1 & 2 closed |
|
Keyboard clock select 12MHz clock |
JP1401 |
Pins 3 & 4 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 |
|
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 |
|
DRAM CONFIGURATION (CONT) | ||
|
Size |
Bank 0 |
Bank 1 |
|
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 |
|
CPU SPEED SELECTION | ||
|
Speed |
JP1 |
JP10 |
|
75MHz |
Pins 1 & 2, 3 & 4 closed |
Pins 1 & 2, 3 & 4 closed |
|
90MHz |
Pins 1 & 2 closed |
Pins 1 & 2, 3 & 4 closed |
|
100MHz |
Pins 3 & 4 closed |
Pins 1 & 2, 3 & 4 closed |
|
120MHz |
Pins 1 & 2 closed |
Pins 3 & 4, 5 & 6 closed |
|
133MHz |
Pins 3 & 4 closed |
Pins 3 & 4, 5 & 6 closed |
|
150MHz |
Pins 1 & 2 closed |
Pins 5 & 6, 7 & 8 closed |
|
166MHz |
Pins 3 & 4 closed |
Pins 5 & 6, 7 & 8 closed |
|
CPU VOLTAGE SELECTION | |
|
Voltage |
JP11 |
|
3.45v |
Pins 1 & 2 closed |
|
3.52v |
Pins 3 & 4 closed |
|
DMA CHANNEL SELECTION | |||
|
Channel |
JP6 |
JP7 | |
|
1 |
Pins 2 & 3 closed |
Pins 2 & 3 closed | |
|
3 |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
FLASH BIOS VOLTAGE SELECTION | |||
|
Voltage |
JP1301 |
JP1302 | |
|
5v |
Pins 1 & 2 closed |
Pins 1 & 2 closed | |
|
12v |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |