


A SMBus controller is integrated into most Intel® chipsets. SMBus is the System Management Bus used in personal computers and servers for low-speed, system management communications. If you see a question mark in front of the SM Bus Controller, it indicates that the hardware is not recognized by Windows. Its main purpose is to monitor the voltage and temperature of the motherboard. What is the SM Bus Controller? The SM Bus Controller is a chipset on the motherboard. 13 How do I identify and install unknown device drivers in Windows 7 8 10?.10 What do you do when a device isn’t installed properly?.8 What is the difference between I2C and SMBus?.5 What is a Universal Serial Bus controllers?.
