For your specific Lenovo system, download the latest Intel Chipset Device Software from Lenovo Support .
If the device was working and suddenly stopped (marked as "patched" or failing), Windows Update may have installed a generic "null" driver that causes errors. Go to > System Devices > SMBus Controller . Select the Driver tab and click Roll Back Driver . Restart the system immediately.
You are installing an older OS (Windows 7/8) on hardware designed for Windows 10/11. The original installer fails to recognize the SUBSYS ID. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
: This represents the Subsystem ID, which indicates the specific motherboard manufacturer and board model. In this case, 17AA is the vendor ID for Lenovo , meaning this controller resides on a Lenovo desktop or laptop motherboard.
When this device is listed as "patched" or showing a yellow exclamation mark, it typically means the is missing or an incorrect driver update from Windows has overwritten it. 1. Identify the Correct Software For your specific Lenovo system, download the latest
Check the box stating if it appears, then click Uninstall .
The .inf file in the driver package might not contain your specific SUBSYS_309F17AA string. How to Edit the .inf File (For Advanced Users) Open the .inf file from the downloaded driver with Notepad. Look for [Intel.NT...] sections. Select the Driver tab and click Roll Back Driver
try # Get the PnP device $Device = Get-PnpDevice catch Write-Error "An error occurred while patching the device: $_"
SUBSYS_309F17AA: This indicates a specific implementation, likely by a manufacturer like Lenovo or HP.
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)
The hardware identifier refers specifically to the Intel(R) 8 Series/C220 Series SMBus Controller Go to product viewer dialog for this item.