JP1-4 is used for setting IRQ, 2 is the common, 3 is the DB9, 1 is the DB25
JP
1
2
3
4
common
IRQ5
IRQ4
IRQ3
IRQ2
JP5-8 is used for setting iobase, 2 is the common, 1 is the DB9, 3 is the DB25
JP
5
6
7
8
common<
2e8
3e8
2f8
3f8