On Board I/O Address & IRQ Maps
System Resource
IRQ No.
I/O Address
1. Timer
IRQ0
040~043
2. Keyboard
IRQ1
060~064
3. Programmable INT Controller IRQ2
0020~0021
00A0~00A1
4. COM2(B)
IRQ3
2F8~2FF
5. COM1(A)
IRQ4
3F8~3FF
6. Floppy
IRQ6
3F0~3FF
7. LPT1
IRQ7
378~37F
8. Real Time Clock
IRQ8
070~071
9. PS/2 Mouse
IRQ12
10. Math coprocessor
IRQ13
0F0~0FF
11. IDE 1
IRQ14
1F0~1F7
12. IDE 2
IRQ15
170~177
EP-PV12 User’s Manual
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