The (SMBus) is a two-wire interface that allows various motherboard components to talk to each other and the rest of the system.
If you see this device under "Other Devices" with a warning icon, it means Windows 7 does not recognize the hardware or lacks the specific instructions to communicate with it. How to Install the Driver for Windows 7 64-bit sm bus controller driver windows 7 64 bit
For the best stability on Windows 7 64-bit, download drivers directly from your PC manufacturer's support site: SMBus Controller Not Recognized by Windows* - Intel The (SMBus) is a two-wire interface that allows
Since the SM Bus Controller is part of your motherboard's chipset, you generally do not search for an "SM Bus Driver" specifically. Instead, you must install the broad chipset software package. 1. Identify Your Chipset (Intel vs. AMD) Instead, you must install the broad chipset software package