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 (CON’T) | ||
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 |