AOpen AP43 User Manual page 85

Jumper Summary
Oscillator Frequency
25 MHz
JP25
JP26
JP27
Flash ROM Type
Type
12V Flash ROM
5V EEPROM or Flash ROM
ECP DMA Channel
DMA Channel
DMA 1
DMA 3
FDC and Super I/O Chip
Function
Enabled
Disabled
A-4
33 MHz
2-3 1-2
2-3 1-2
1-2 1-2
JP22
2-3
1-2
JP21
40 MHz
1-2
2-3
1-2
JP24
2-3
1-2
JP23
2-3
1-2
1-2
2-3
User's Guide