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)