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6–18 Maintenance and Service Guide
Specifications
Table 6-16
System I/O Addresses
I/O Address
(hex)
System Function
(shipping configuration)
000 - CF7 DMA controller; PCI bus
010 - 01F Motherboard resources
020 - 021 Programmable Interrupt Controller
024 - 03F Motherboard resources
040 - 043 System Timer
04E - 04F Motherboard resources
050 - 053 Motherboard resources
060 Keyboard Controller
061 System speaker
062 - 063 Microsoft ACPI-Compliant Controller
064 Keyboard Controller
066 Microsoft ACPI-Compliant Controller
068 - 06F Motherboard resources
070 - 071 System CMOS/real time clock
072 - 073 System CMOS/real time clock
074 - 077 Motherboard resources
080 - 08F DMA Controller
090 - 09F Motherboard resources
0A0 - 0A1 Programmable Interrupt Controller