stands for System Management Bus . It is a lightweight, two-wire interface derived from the I²C protocol. On your ASUS motherboard, its primary job is to allow the chipset (and the operating system) to communicate with low-bandwidth devices responsible for system health and management.
Specifically, it monitors:
There are three main ways to resolve this on an ASUS system. We recommend trying them in order. sm bus controller asus
If you're experiencing issues related to the SM Bus controller on your Asus motherboard, follow these troubleshooting steps: stands for System Management Bus