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6–4 Maintenance and Service Guide
Specifications
System I/O address specifications
I/O address (hex) System function (shipping configuration)
000 - 01F DMA controller
020 - 021 Program interrupt controller
024 - 025 Program interrupt Controller
028 - 029 Program interrupt Controller
02C - 03D Program interrupt Controller
02E - 02F Motherboard Resource
030 - 031 Program interrupt Controller
034 - 035 Program interrupt Controller
038 - 039 Program interrupt Controller
03C- 03D Program interrupt Controller
040 - 043 System Timer
04E-04F Motherboard Resource
050-053 System Timer
060 Standard 101-/102-Key or Microsoft. Natural Keyboard
061 Motherboard Resource
062 Microsoft ACPI-Compliant Embedded Controller
063 Motherboard Resource
064 Standard 101-/102-Key or Microsoft. Natural Keyboard
065 Motherboard resources
066 Microsoft ACPI-Compliant Embedded Controller
067 Motherboard resources
070 Motherboard resources
070-077 System CMOS/real time clock
080 Motherboard resources
081-091 Direct memory access controller
092 Motherboard resources
093-09F Direct memory access controller
0A0-0A1 Program interrupt Controller
0A4-0A5 Program interrupt Controller
0A8-0A9 Program interrupt Controller
0AC-0AD Program interrupt Controller
0B0-0B1 Program interrupt Controller
0B2-0B3 Motherboard resources
0B4- 0B5 Program interrupt Controller
0B8-0B9 Program interrupt Controller
0BC- 0BD Program interrupt Controller
(Continued)