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✏ NOTE
Some additional I/O addresses are not available due to ICH5 address aliasing. The ICH5 data
sheet provides more information on address aliasing.
For information about Refer to
Obtaining the ICH5 data sheet Section 1.2 on page 15
2.5 PCI Configuration Space Map
Table 13. PCI Configuration Space Map
Bus
Number (hex)
Device
Number (hex)
Function
Number (hex)
Description
00 00 00 Memory controller of Intel 82865P component
00 01 00 Host to AGP bridge (virtual PCI-to-PCI)
00 03 00 PCI to CSA Bridge (virtual PCI-to-PCI)
00 1E 00 Hub link to PCI bridge
00 1F 00 Intel 82801EB ICH5 PCI to LPC bridge
00 1F 01 Parallel ATA IDE controller
00 1F 03 SMBus controller
00 1F 05 AC ’97 audio controller
00 1F 06 AC ’97 modem controller
00 1D 00 USB UHCI controller 1
00 1D 01 USB UHCI controller 2
00 1D 02 USB UHCI controller 3
00 1D 03 USB UHCI controller 4
00 1D 07 EHCI controller
01 00 00 AGP add-in card
(Note)
01 00 Intel 82547EI Gigabit LAN PLC (if present)
(Note)
08 00 Intel 82562EZ 10/100 Mbits/sec LAN PLC (if present)
(Note)
00 00 PCI bus connector 1
(Note)
01 00 PCI bus connector 2
(Note)
02 00 PCI bus connector 3
Note: Bus number = 03 when the Intel 82547EI Gigabit LAN controller is used. Otherwise, bus number = 02.