Hi:
Below are the links to the W7 x64 drivers you need.
First, install the amd chipset driver and reboot. You want the first file listed on the webpage.
That will install the smbus and usb 3 controllers.
http://support.amd.com/en-us/download/chipset?os=Windows 7 - 64
Graphics:
Audio:
ETHERNET CONTROLLER :
NETWORK CONTROLLER:
UNKNOWN:
PCI:
Webcam:
Quick Launch: