System I/O address specifications, AMD discrete and UMA
graphics
I/O address (hex)
System function (shipping configuration)
0000 - 0008
DMA controller
000A - 000F
DMA controller
0020 - 0021
Programmable interrupt controller
0040 - 0043
System timer
0060 - 0060
Standard 101-/102-Key or Microsoft® Natural PS/2 Keyboard
0061 - 0061
System speaker
0062 - 0062
Microsoft ACPI-Compliant Embedded Controller
0064 - 0064
Standard 101-/102-Key or Microsoft® Natural PS/2 Keyboard
0066 - 0066
Microsoft ACPI-Compliant Embedded Controller
0070 - 0071
System CMOS/real time clock
0081 - 0083
DMA controller
0087 - 0087
DMA controller
0089 - 008B
DMA controller
008F - 008F (UMA only)
DMA controller
00A0 - 00A1
Programmable interrupt controller
00C0 - 00D1
DMA controller
00D4 - 00DF
DMA controller
00F0 - 00F1
Numeric data processor
0170 - 0177
ATA Channel 1
01F0 - 01F7
ATA Channel 0
0376 - 0376
ATA Channel 1
03B0 - 03BB
nVidia GeForce8400M GS (discrete)
nVidia MCP67M (UMA)
03B0 - 03BB (discrete only)
PCI standard PCI-to-PCI bridge
03C0 - 03DF
nVidia GeForce8400M GS (discrete)
nVidia MCP67M (UMA)
03C0 - 03DF (discrete only)
PCI standard PCI-to-PCI bridge
03F6 - 03F6
ATA Channel 0
3000 - 303F
nVidia nForce PCI System Management
3040 - 307F
nVidia nForce PCI System Management
3080 - 30BF
nVidia nForce PCI System Management
30C0 - 30CF
Standard Dual Channel PCI IDE Controller
124 Chapter 6 Specifications