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Hardware Specifications and Configurations
System IO Address Map
I/O Address (hex)
System Function (Shipping Configuration)
000 - 00F
DMA controller no. 1 & PCI bus
010 - 01F
Motherboard resources no. 1
020 - 021
Interrupt controller no. 1
022 - 024
Unused
025 - 03F
Unused
02E - 02F
Motherboard resources no. 2
040 - 05F
System timer
044 - 05F
Unused
060 Standard
PS/2
Keyboard
061 System
speaker
062
Microsoft ACPI-Compliant Embedded Controller no. 1
064 Standard
PS/2
Keyboard
066
Microsoft ACPI-Compliant Embedded Controller no. 2
070 - 071
System CMOS/RTC
072 - 073
Motherboard resources no. 3
080 - 080
Motherboard resources no. 4
081-08F
DMA controller no. 2
092
Motherboard resources no. 5
093 - 09F
Unused
0A0 - 0A1
Interrupt controller no. 2
0B0 0B
Motherboard resources no. 6
0C0 - 0DF
DMA controller no. 3
0E0 - 0EF
Unused
0F0 - 0FE
Numeric data processor
0F2 - 3AF
Unused
3B0 - 3BB
3BC - 3BF
3C0 - 3DF
3E0 - 3E1