"SM Bus Controller" & "Universal Serial Bus (USB) Controller" are related to your motherboard and should be gotten from the manufacturer. You didn't list the make model of your computer nor the motherboard which makes it impossible to point you to the drivers to download.
My computer is a custom build from the ground up. Here are my components....
ASUS P8Z77-V LK LGA 1155 Intel Z77 HDMI SATA 6Gb/s USB 3.0 ATX Intel Motherboard with UEFI BIOS
EVGA 02G-P4-3660-KR GeForce GTX 660 Ti 2GB 192-bit GDDR5 PCI Express 3.0 x16 HDCP Ready SLI Support Video Card
Intel 520 Series Cherryville SSDSC2CW240A3K5 2.5" 240GB SATA III MLC Internal Solid State Drive (SSD)
Western Digital WD Black WD2002FAEX 2TB 7200 RPM SATA 6.0Gb/s 3.5" Internal Hard Drive -Bare Drive
Intel Core i7-3770K Ivy Bridge 3.5GHz (3.9GHz Turbo) LGA 1155 77W Quad-Core Desktop Processor Intel HD Graphics
CORSAIR Enthusiast Series TX650 V2 650W ATX12V v2.31/ EPS12V v2.92 80 PLUS BRONZE Certified Active PFC High
COOLER MASTER GeminII S524 120mm Long Life Sleeve CPU Cooler Compatible with Intel 2011/1366/1155/775 and AMD
CORSAIR Dominator Platinum 16GB (4 x 8GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model
Antec Nine Hundred Black Steel ATX Mid Tower Computer Case with Upgraded USB 3.0
Rosewill RNX-N150PCx PCI 2.2 Wireless Adapter
Bose® Companion® 2 Series II Multimedia Speaker System
3 Acer S220HQLAbd Black 21.5" 5ms LED Backlight Widescreen LCD Monitors
I am on the ASUSTek section on the website where I can download/install drivers, but I don't know which one I need...
http://support.asus.com/download.as...V LK&p=1&s=39&os=30&hashedid=J4TfLoZ8TXyFAkFb