Amd Smbus Driver 512038 Exclusive -

In Event Viewer, you may see: The AMD SMBus driver (512038 exclusive) failed to acquire exclusive access to SMBus port 0x0B20. Another driver is already using it. This happens when a second driver (e.g., an RGB lighting control from Corsair or Razer) tries to access the same SMBus address, but the AMD driver’s exclusive flag prevents sharing. The result: your RGB mouse freezes, but the PC otherwise runs fine.

A Design and Implementation Review of the AMD SMBus Driver 512038: Exclusive Access Mechanisms and Reliability Enhancements amd smbus driver 512038 exclusive

Do not rely on third-party driver updaters. Go directly to AMD’s official website: In Event Viewer, you may see: The AMD

Even with the correct driver, users report issues. Here is a specialized troubleshooting guide. A Design and Implementation Review of the AMD

If you have a specific Hardware ID (usually PCI\VEN_1022&DEV_780B for AMD SMBus), you can download the driver manually from the Microsoft Update Catalog.