How to fix 'SM Bus Controller doesn't have a driver' problem in Windows 7 64 bit operating system. Are you getting yellow exclamation warning symbol over. multimedia audio controller driver free download - DL Driver Updater, Avance AC'97 Driver for VIA Audio Controller, USB Audio ASIO Driver, and many more programs multimedia audio controller driver free download - DL Driver Updater, Avance AC'97 Driver for VIA Audio Controller, USB Audio ASIO Driver, and many more programs I am having the same problem with a missing SM Bus Controller. I did a clean install of Windows 7 today XP, but bizarrely all my files are still on the hard drive. Drivers installer help you automatically download and install drivers, for Windows XP, Vista, 7 & 8. The SM Bus controller is the System Management Bus Controller. and your computer will run better if you find the right drivers for your motherboard. Download and Update Your Sm Bus Controller Drivers with 3 Easy Steps! Drivers and data for SM Bus Controller (PCI\VEN_8086&DEV_2930), as made by Intel. how to install sm bus controller driver in windows 7 & download sm bus controller device driver.sm bus driver update fast & download drivers.sm bus. Sm bus controller driver free download for xp. Tags: Drivers; Download; Bus; Controller; Windows XP; Last response: July 28, 2012 8:02 PM in Windows XP.