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User's Manual
I/O – Map
Certain I/O addresses are subject to change during boot as PnP managers may relocate
devices or functions. The addresses shown in the table are typical locations.
I/O Port
0000h-000Fh
0010h-001Fh
0020h-0021h
0022h-003Fh
0040h-0043h
0044h-005Fh
0060h-0060h
0061h-0061h
0062h-0063h
0064h-0064h
0065h-006Fh
0070h-0073h
0074h-007Fh
0080h-0090h
0091h-0093h
0094h-009Fh
00A0h-00A1h
00A2h-00BFh
00C0h-00DFh
00E0h-00EFh
00F0h-00FFh
0170h-0177h
0170h-0177h
01F0h-01F7h
01F0h-01F7h
02F8h-02FFh
0376h-0376h
0376h-0376h
0378h-037Fh
03B0h-03BBh
03C0h-03DFh
03F0h-03F5h
03F6h-03F6h
90 ECB-862/862L User's Manual
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
System timer
Motherboard resources
Standard 101/102-Key or Microsoft Natural Keyboard
System speaker
Motherboard resources
Standard 101/102-Key or Microsoft Natural Keyboard
Motherboard resources
System CMOS/real time clock
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Programmable interrupt controller
Motherboard resources
Direct memory access controller
Motherboard resources
Numeric data processor
Secondary IDE controller (dual fifo)
VIA Bus Master PCI IDE Controller
Primary IDE controller (dual fifo)
VIA Bus Master PCI IDE Controller
Communications Port (COM2)
VIA Bus Master PCI IDE Controller
Secondary IDE controller (dual fifo)
Printer Port (LPT1)
VIA Tech VT8361/VT8601 Graphics Controller
VIA Tech VT8361/VT8601 Graphics Controller
Standard Floppy Disk Controller
Primary IDE controller (dual fifo)
Description
Note
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