If you want to download AMD FCH SMBus Controller Driver for Windows PC, you can get it from : https://support.lenovo.com/ng/en/downloads/ds019868
It fixes the “SM Bus Controller” error in device manager.
This package installs the AMD SMBUS driver to enable the following device:
- AMD Fusion™ Accelerated Processor Units
- If this package has been installed, updating (overwrite-installing) this package will fix problems, add new functions, or expand functions as noted below.
- This program is language independent and can be used with any language system