Your most reliable source for fully compatible drivers is the support page for your specific motherboard. It will have drivers customized for its exact components, like the Southbridge (e.g., AMD A68M, A88X FCH) and onboard audio/LAN.
Locate the device showing an error or labeled generic / Memory Controller . Right-click the device and choose Update driver . Select Browse my computer for drivers . amd k15 imc chipset drivers