Register and Memory Mapping
5.2
PCI Configuration Map
The Intel® SCH incorporates a variety of PCI devices and functions, as shown in
Table 9.
There are two access mechanisms to the configuration space within the Intel® SCH:
• through I/O ports CF8h/CFCh
• through a direct memory mapped space
Table 9.
PCI Devices and Functions
Device
Function
Function Description
0
2
0
0
0
0
0
1
0
1
2
7
0
1
2
0
1
Host Bridge
Integrated Graphics and Video Device
USB Client
26
27
HD Audio Controller
PCI Express Port 1
28
PCI Express Port 2
USB Classic UHCI Controller 1
USB Classic UHCI Controller 2
USB Classic UHCI Controller 3
USB2 EHCI Controller
SDIO/MMC Port 0
29
30
31
SDIO/MMC Port 1
SDIO/MMC Port 2
LPC Interface
PATA Controller
Datasheet
59
INTEL [ INTEL ]
