Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched Jun 2026

: Hardware monitoring tools cannot read motherboard thermal sensors.

The hardware identifier PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 points to the Intel Lynx Point SMBus Controller. This component manages low-speed system management communications on older Intel motherboards, primarily those using 8-Series chipsets like H81, B85, Q87, and Z87.

The latest official drivers for this device are typically provided through the Lenovo Support Portal or the Microsoft Update Catalog . pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

If patched, the dmesg output would show:

If you can tell me (e.g., Lenovo, Dell) or if you've already tried updating via Device Manager , I can help you find a more specific driver source. : Hardware monitoring tools cannot read motherboard thermal

Without the exact Intel Chipset Device Software signature, the SMBus controller frequently defaults to a generic system state. A patched installation package forces Windows to register the correct registers, stabilizing peripheral monitoring. 3. Stripping Unnecessary Telemetry

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. The latest official drivers for this device are

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

It is a core system component rather than a standalone peripheral like a GPU or CPU, so "reviews" typically focus on driver stability rather than performance benchmarks. Driver & "Patched" Status