ACER, INC.
IP25AB
Processor |
80486SX/80486DX |
Processor Speed |
20/25/33MHz |
Chip Set |
ALI |
Video Chip Set |
None |
Maximum Onboard Memory |
32MB |
Maximum Video Memory |
None |
Cache |
None |
BIOS |
Acer |
Dimensions |
220mm x 170mm |
I/O Options |
None |
NPU Options |
None |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Power LED & keylock |
CN1 pins 1 - 5 |
Turbo switch |
CN1 pins 15 - 17 |
Speaker |
CN1 pins 7 - 10 |
Reset switch |
CN1 pins 19 & 20 |
Turbo LED |
CN1 pins 12 & 13 |
External battery |
J3 |
Note: If system has a 12-pin connector, make sure red wire is connected to pin 11. |
USER CONFIGURABLE SETTINGS | |||
Function |
Label |
Position | |
» |
CMOS memory normal operation |
JP1 |
Open |
CMOS memory clear |
JP1 |
Closed |
DRAM CONFIGURATION | ||
Size |
Bank 0 |
Bank 1 |
1MB |
(4) 256K x 9 |
None |
2MB |
(4) 256K x 9 |
(4) 256K x 9 |
4MB |
(4) 1M x 9 |
None |
5MB |
(4) 256K x 9 |
(4) 1M x 9 |
5MB |
(4) 1M x 9 |
(4) 256K x 9 |
8MB |
(4) 1M x 9 |
(4) 1M x 9 |
16MB |
(4) 4M x 9 |
None |
32MB |
(4) 4M x 9 |
(4) 4M x 9 |
CPU SPEED SELECTION | |||
Speed |
JP2 |
JP3 |
JP4 |
20MHz |
Pins 2 & 3 closed |
Pins 1 & 2 closed |
Pins 1 & 2, 3 & 4 closed |
25MHz |
Pins 1 & 2 closed |
Pins 2 & 3 closed |
Pins 3 & 4 closed |
33MHz |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
Pins 1 & 2 closed |