Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched _verified_ May 2026

You are using a modified BIOS or custom workstation environment.

SUBSYS_309F17AA: This indicates a specific implementation, likely by a manufacturer like Lenovo or HP.

DEV_8C22: This is the Device ID for the Intel 8 Series/C220 Series Chipset Family SMBus Controller. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

Since the SUBSYS_309F17AA ID often points to OEM machines (like Lenovo ThinkPads or desktops), check the manufacturer's support page. Go to the support website for your specific PC model. Search for "Chipset" or "Intel Management Engine" drivers.

If you tell me your or Operating System , I can help you find the exact download link for your setup. You are using a modified BIOS or custom

The string "PCI\VEN_8086&DEV_8C22" provides all the technical details needed to identify your hardware: VEN_8086: This is the Vendor ID for Intel Corporation.

Run the installer with the -overall flag via Command Prompt to force the update of all chipset components. 2. Manufacturer-Specific Drivers Since the SUBSYS_309F17AA ID often points to OEM

The hardware ID PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 corresponds to the Intel SMBus Controller, a critical component of the Intel 8 Series/C220 Series chipset family. When users search for a "patched" version of this driver, they are typically looking to resolve "Unknown Device" errors in Windows Device Manager or fix compatibility issues on legacy operating systems like Windows 7 or specialized server environments.

The most stable fix is the Intel Chipset Device Software (InfUpdate). This doesn't actually contain a driver (SMBus uses system-level drivers) but tells Windows how to correctly name and manage the hardware.

If the installer fails, you can force the installation manually: Right-click the "Unknown Device" in Device Manager. Select "Update Driver" > "Browse my computer for drivers."