Knowledge Base
Why does my unit not recognize the SMBus Controller?
Published: May 6, 2008
Updated: December 22, 2015
Updated: December 22, 2015
More information regarding this issue is available from Intel's website.
Issue:
- Windows does not recognize the SMBus controller.
- Device Manager shows a yellow question mark for the SMBus controller.
- Device Manager lists the SMBus controller under Other Devices.
Background:
SMBus is the System Management Bus defined by Intel in 1995. It is used in personal computers and servers for low-speed system management communications. An SMBus controller is integrated into most Intel® chipsets.
Solution:
Download the latest chipset driver from Cybernet. This will install the chipset INF files so that Windows properly recognizes the chipset's built-in SMBus controller.
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