Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched

This hardware identifier points to a very specific, but common, component from a past era of computing. While seeing "PATCHED" next to it might be surprising, it is usually just a sign of a resourceful user trying to extend the life of their computer.

: Indicates a custom configuration. This usually points to a modified .INF configuration file engineered to bypass Windows Hardware Quality Labs (WHQL) digital signature enforcement during custom OS rollouts. What Does the SMBus Controller Do?

Note: In 2026, ensure you only download drivers from reputable sources to avoid malware. 5. Summary Table of Hardware IDs Hardware ID Component Description VEN_8086 (Intel) Device DEV_8C22 (8 Series SMBus) Subsystem SUBSYS_309F17AA (Specific OEM) Revision REV_04 (Revision 4) pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

This device manages communication between the motherboard and components like temperature sensors, fan controllers, and voltage regulators. 🛠️ Deep Guide: Driver Repair & Patching

When a system is reinstalled or updated, this device may appear in Device Manager with a yellow exclamation mark under . This usually happens because Windows does not have the specific INF file to properly identify the Intel chipset's internal components. This hardware identifier points to a very specific,

Open the extracted folder and navigate to the subfolder containing raw drivers (usually named All or Windows10-x64 ).

: The Device ID for the Intel 8 Series/C220 Series SMBus Controller . This silicon chip accompanies Intel Haswell (4th Generation Core) platforms. This usually points to a modified

: A known issue exists where Windows Update replaces functional Intel SMBus drivers with generic system definitions. This strips away advanced power management and SMBus features.

: Running a modern operating system on an older machine, or forcing an older operating system (like a lightweight Windows 7 build) to natively acknowledge the hardware IDs without error warnings.

Do not search for "SMBus" specifically. You need the .

Without this driver, you may experience: