![]() Select View, choose Devices by Type, and then expand System Devices. ![]() 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. ![]()
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