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6–8 Maintenance and Service Guide
Specifications
System I/O address specifications
I/O address (hex) System function (shipping configuration)
000 - 00F Direct memory access controller
010 - 01F Motherboard resources
020 - 021 Programmable interrupt controller
02E - 02F Motherboard resources
040 - 043 System timer
060 - 060 Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
061 - 061 System speaker
062 - 062 Microsoft ACPI-Compliant Embedded controller
064 - 064 Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
066 - 066 Microsoft ACPI-Compliant Embedded controller
068 - 068 Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
06C - 06C Standard 101/102-key keyboard or Microsoft Natural PS/2 Keyboard with HP
070 - 071 System CMOS/real time clock
072 - 073 Motherboard resources
080 - 080 Motherboard resources
081 - 08F Direct memory access controller
092 - 092 Motherboard resources
0A0 - 0A1 Programmable interrupt controller
0B0 - 0B1 Motherboard resources
0C0 - 0DF Direct memory access controller
0F0 - 0FE Numeric data processor
3B0 -3BB PCI standard PCI-to-PCI bridge
3C0 - 3DF PCI standard PCI-to-PCI bridge
400 - 4CF Motherboard resources
4D0 - 4D1 Motherboard resources
4D6 - 4D6 Motherboard resources
77A - 77A Motherboard resources
C00 - C01 Motherboard resources
C14 - C14 Motherboard resources
C50 - C52 Motherboard resources
C6C - C6C Motherboard resources
C6F - C6F Motherboard resources
CD0 - CDB Motherboard resources
2000 - 20FF Realtek PCIe Fe Family Controller
2000 - 2FFF PCI standard PCI-to-PCI bridge
3000 - 6FFF PCI standard PCI-to-PCI bridge
(Continued)