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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