Specifications
Maintenance and Service Guide 6–7
System I/O address specifications
I/O address (hex) System function (shipping configuration)
000 - 01F DMA controller channel 0-3
CF7 PCI Bus on MS ACPI-Compliant System
020 - 021 Program interrupt controller (Master controller)
024 - 025 Program interrupt controller (Aliases)
028 - 029 Program interrupt controller (Aliases)
02C - 03D Program interrupt controller (Aliases)
02E - 02F Motherboard resource (LPC controller)
030 - 031 Program interrupt controller (Aliases)
034 - 035 Program interrupt controller (Aliases)
038 - 039 Program interrupt controller (Aliases)
03C- 03D Program interrupt controller (Aliases)
040 - 043 System Timer
04E-04F Motherboard resource (LPC controller)
050-053 System Timer
060 EC
061 LPC
062 EC
063 LPC
064 EC
065 LPC
066 EC
067 LPC
070 Motherboard resources
070-077 System CMOS/real time clock
080 Motherboard resources
081-091 DMA controller channel 2
092 LPC
0A0-0A1 Program interrupt controller (Slave controller)
0A4-0A5 Program interrupt controller (Aliases)
0A8-0A9 Program interrupt controller (Aliases)
0AC-0AD Program interrupt controller (Aliases)
0B0-0B1 Program interrupt controller (Aliases)
0B2-0B3 LPC
0B4- 0B5 Program interrupt controller (Aliases)
0B8-0B9 Program interrupt controller (Aliases)
0BC- 0BD Program interrupt controller (Aliases)
(Continued)
