74
Using the Module
4.8.1
PCI Configuration Registers
The devices and functions can be accessed by the PCI Configuration Registers.
Table 4-8: PCI Configuration Registers
Table 4-9: PCI CONFIG_ADDRESS Register Mapping (IO Port CF8h)
Address Range (hex)
Description
0CFB – 0CF8
PCI Configuration Address Register
0CFF – 0CFC
PCI Configuration Data Register
Field
CONFIG_ADDRESS Bits
Enable PCI Configuration Space Mapping
31
Reserved
30:24
Bus Number
23:16
Device Number
15:11
Function Number
10:08
Register / Offset Number
07:02
Bit 31 of CONFIG_ADDRESS must be set for a configuration cycle to be generated.
Summary of Contents for CM1-BT1
Page 5: ...iv...
Page 9: ...viii...
Page 15: ...6 Introduction...
Page 23: ...14 Getting Started BLANK PAGE...
Page 57: ...48 Using the Module 4 4 10 Main System Management Smart Fan 4 4 11 Advanced...
Page 76: ...Using the Module 67 CMx BTx 4 4 48 Security 4 4 49 Boot...
Page 77: ...68 Using the Module 4 4 50 Boot CSM Configuration 4 4 51 Boot Delete Boot Option...
