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Miscellaneous Technical Information
83
System I/O Address Map
Address
Range (hex)
Description
0000h - 000Fh Direct memory access controller
0010h - 001Fh Motherboard resources
0020h - 0021h Programmable interrupt controller
0022h - 002Dh Motherboard resources
0030h - 003Fh Motherboard resources
0040h - 0043h System timer
0044h - 005Fh Motherboard resources.
0060h - 0060h Standard 101/102-Key or Microsoft Natural Keyboard
0061h - 0061h System speaker
0062h - 0063h Motherboard resources
0064h - 0064h Standard 101/102-Key or Microsoft Natural Keyboard
0065h - 006Fh Motherboard resources
0070h - 0073h System CMOS/real time clock
0074h - 007Fh Motherboard resources
0080h - 0090h Direct memory access controller
0091h - 0093h Motherboard resources
0094h - 009Fh Direct memory access controller
00A0h - 00A1h Programmable interrupt controller
00A2h - 00BFh Motherboard resources
00C0h - 00DFh Direct memory access controller
00E0h - 00EFh Motherboard resources
00F0h - 00FFh Numeric data processor
0170h - 0177h Secondary IDE controller (dual FIFO)
0170h - 0177h SiS 5513 dual PCI IDE controller
01F0h - 01F7h Primary IDE controller (dual FIFO)
01F0h - 01F7h SiS 5513 dual PCI IDE controller
0290h - 0297h Motherboard resources
02F8h - 02FFh Communications port (COM2)
0376h - 0376h SiS 5513 dual PCI IDE controller
0376h - 0376h Secondary IDE controller (dual FIFO)
03B0h - 03BBh SiS 630
03C0h - 03DFh SiS 630
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