However, the functionality of the SM Bus Controller does not end at simply allowing an Operating System to communicate with and control hardware components such as PSUs and cooling fans. The SM Bus Controller can also be used by a computer for monitoring purposes as many laptop computers use their SM Bus Controllers to keep their battery and temperature levels in check. In addition, the SM Bus Controller also has a lot of potential to be adapted to a number of other purposes, as evidenced by the fact that some developers have managed to use it to load and install firmware onto devices more easily.
How to update your SM Bus Controller drivers
If the drivers for a computer’s SM Bus Controller are installed properly and the component is working as it should, it is almost entirely unnoticeable. However, if that is not the case, the SM Bus Controller shows up in the Device Manager of the computer in question, along with an exclamation mark that basically indicates that the SM Bus Controller itself or its drivers are not installed appropriately. While this is not a particularly major issue on most computers, constantly being reminded of the fact that their SM Bus Controller or its drivers are not installed correctly can be quite irritating for the average computer user. Thankfully, fixing this issue and getting your SM Bus Controller to go back to the way it previously was (being unnoticeable by taking on the label and appearance of the monitored devices it is connecting to) is quite easy. All you need to do is update your SM Bus Controller’s drivers to the latest version, and the following are the two methods that you can use to do so:
Download the latest chipset drivers from the manufacturer’s official website
Find out the model of your computer’s motherboard and who manufactured it. If it was not a custom build, then you can easily get the drivers by going to the manufacturer’s website and keying in the model # of your system. The model number is usually located at the front or the back.
Go to the Support, Products or Downloads page of the official website of your motherboard’s manufacturer. Look up your motherboard’s model number, and you should see a list of all the latest available drivers for your motherboard. For example, this is a web page that lists all of the latest available drivers for the Gigabyte GA-H81M-DS2V Download and install all the latest Chipset drivers for your motherboard. Once you have installed the latest Chipset drivers, the SM Bus Controller (and the exclamation mark on it) should disappear from the Device Manager and you should no longer receive any reminders or warning messages.
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