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Windows 7: SM Bus Controller

30 Jan 2009   #1

SM Bus Controller

In device manager, it says

SM Bus control (yellow ? mark) drivers not installed.

What's a SM bus controller?

My System SpecsSystem Spec
30 Jan 2009   #2

Windows 7 Ultimate x64 SP1

Here are two threads about it.
SM bus controller

Sm Bus Controller missing driver.
My System SpecsSystem Spec
30 Jan 2009   #3

Windows 7 Build 7048 x64

SMBus Controller (or system bus controller) is part of your chipset. This particular bit monitors your system board's temperature and voltage. Programs that read your hardware sensors needs this controller.

Try going to your motherboard's site and get a motherboard/chipset driver for Vista for what ever Windows 7 build you're using (x32/x64). Make sure to restart after installing your motherboard driver.

My System SpecsSystem Spec

30 Jan 2009   #4

Windows 8.1 Pro RTM x64

I had exactly the same problem. Fortunately, this was easily solved by installing the relevant Vista driver. This is the only extra driver that W7 has required, although I have also updated the audio and graphics drivers to the latest Vista WHQL ones without any problems (I like to keep up to date with the latest WHQL drivers for these items).
My System SpecsSystem Spec
30 Jan 2009   #5

64-bit Windows 10 Pro

Quote   Quote: Originally Posted by AFWilms View Post
In device manager, it says

SM Bus control (yellow ? mark) drivers not installed.

What's a SM bus controller?
Hello AFWilms,

Yep, installing the Vista motherboard chipset drivers using compatibilty mode with Vista selected should fix the problem for you.

My System SpecsSystem Spec

 SM Bus Controller

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