
Technical Reference
✏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   | 
00  | 
  | 03  | 00  | PCI to CSA Bridge (virtual   | 
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   | 
(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.  | |||
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