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 |