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Base Input/Output (I/O) port
addresses
The following table lists addresses used by
components on the motherboard. Any ports between
100h and 3FFh that are not listed may be used by an
expansion card.
Assigned I/O ports
000h-00Fh
0A0h-0A1h
020h-021h
0B2h-0B3h
040h-043h
0C0h-0DEh
048h-04Bh
0F0h
060h-061h
15Ch-15Dh
064h
170h-177h
070h-071h
1F0h-1F7h
076h-07Eh
200h-207h
080h-08Fh
220h-22Fh
278h-27Bh
2F8h-2FFh
330h-331h
376h-37Fh
388h-38Bh
3BCh-3BFh
3E8h-3FFh
CF8h-CFFh
M o t h e r b o a r d F e a t u r e s & U p g r a d e s
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