Mira realized her “faithful beast” was a sleeper agent. The SUBSYS_309F17AA identifier meant this wasn’t a general Intel flaw. It was a Lenovo customization—likely for a specific government contract that later got liquidated onto the gray market. Her workstation had once belonged to a defense subcontractor.
Complete Guide to Fixing the Intel SMBus Controller Error ( PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 )
: This points directly to the Intel 8 Series / C220 Series System Management Bus (SMBus) Controller . This silicon is found on Haswell-era motherboards (such as H81, B85, H87, and Z87 chipsets).
The complete hardware ID string identifies the Intel 8 Series/C220 Series SMBus Controller , a critical system chipset component found on motherboards utilizing Haswell-generation Intel processors.
When this device appears in Windows Device Manager with a yellow exclamation mark—often tagged as "patched" or missing—it signifies that the operating system is missing the correct vendor configuration files. This article provides a comprehensive walkthrough to identify, configure, and resolve issues related to this hardware identifier. Hardware ID Breakdown pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
This guide provides a comprehensive overview of addressing driver issues related to the specific PCI hardware ID PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 . This ID typically corresponds to an , which often appears as an "Unknown Device" or an exclamation mark in Device Manager on older HP or similar laptops running Windows 10 or 11.
Hope this helps anyone Googling this specific string!
Communicating with voltage regulators and managing sleep states.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Mira realized her “faithful beast” was a sleeper agent
If this driver is missing or corrupted, you may experience erratic system behavior, such as incorrect power management, inaccurate battery readings, or random thermal shutdowns. 2. Why Do I Need a "Patched" Driver?
Search for the .
The hardware identifier PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 refers to the . This component is a critical part of the Intel chipset, responsible for low-speed system management communications like reporting temperatures and voltage.
(Series with similar Intel 8-series architecture) Driver & Patch Information Her workstation had once belonged to a defense subcontractor
: Fresh operating system deployments lack the Intel INF data files needed to name the core system components.
The subsystem ID mapping to the specific motherboard vendor (often or HP machines using this particular sub-ID). REV_04 Silicon Revision
implementation, commonly found in business machines like the ThinkCentre M83 Revision (REV_04): A specific hardware stepping or version of that controller. The "Patched" Story
If you’re doing GPU or device passthrough to a VM, patching the root port can reset issues or hide it from the host.
– Used to fix sleep, hotplug, or SATA mode issues.