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  |