Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched May 2026
The hardware ID PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 refers to the Intel(R) 8 Series/C220 Series SMBus Controller
Select "System devices" and look for "Intel(R) 8 Series/C220 Series SMBus Controller." 💡 Troubleshooting Safety Tip
is a low-speed communication interface used for critical system tasks: Monitoring: pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
Conclusion: The Legacy of a Patched Component
The string pci ven8086 &dev8c22 &subsys309f17aa &rev04 patched tells a story that is common in enterprise computing: a specific hardware revision (Rev 04) used by a specific OEM (Lenovo) had a subtle flaw that required intervention. That intervention—the patch—transformed an unreliable storage controller into a stable one.
Let me break down what this likely represents: REV_04 : Revision ID
Why this matters
Without this driver, you may experience:
. This device is part of your motherboard's chipset and handles communication between various internal components, such as temperature sensors and fan controllers. Communicates with temperature sensors
REV_04 : Revision ID. 04 indicates the fourth revision of this silicon. Chipmakers revise hardware to fix bugs or improve power consumption. Rev 04 is a mature stepping of the Lynx Point chipset.Communicates with temperature sensors, voltage regulators, and fan controllers. Power Management: Handles sleep/wake states and battery reporting. Inventory: Identifies hardware components like RAM (via SPD data). Finding the Correct Driver
