Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched ((free))

: This designates the specific device as the Intel 8 Series/C220 Series System Management Bus (SMBus) Controller .

This device is the . It is commonly found on Intel 8 Series Chipsets (Lynx Point). Often, after a clean install of Windows 10 or a downgrade from Windows 11, the device shows up as an "Unknown Device" or the generic Microsoft driver fails to start (Error Code 10/28).

Reboot.

If you are seeing this identifier because of a "Missing Driver" or "Unknown Device" error in Device Manager, you need to install the Intel Chipset Device Software Official Source: You can download the latest verified drivers from the Lenovo Support Portal Alternative:

Do not search for "SMBus" specifically. You need the . pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

(Series with similar Intel 8-series architecture) Driver & Patch Information

SMBus (System Management Bus) Controller for Intel 8 Series (Haswell) chipsets. : This designates the specific device as the

: When installing customized Windows distributions or deploying retro operating systems, the hardware ID definitions must be manually "patched" inside the setup .inf files to let the installer register the motherboard correctly. Step-by-Step Fixes and Driver Patches Method 1: The Official Intel Chipset INF Patch