Appendix, A. i/o port address map – IBASE SI-38N User Manual
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Appendix
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port addresses, which
also becomes the identity of the device. The following table lists the I/O port
addresses used.
Address
Device Description
0000h-0CF7h
PCI bus
0000h-0CF7h
Direct memory access controller
0010h-001Fh
Motherboard resources
0020h-0021h
Programmable interrupt controller
0022h-003Fh
Motherboard resources
0040h-0043h
System timer
0044h-005Fh
Motherboard resources
0060h-0060h
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0061h-0061h
System speaker
0062h-0063h
Motherboard resources
0064h-0064h
Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0065h-006Fh
Motherboard resources
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