Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched — Pci

The hardware ID PCI\VEN_8086&DEV_8C22 corresponds to the Intel(R) 8 Series/C220 Series SMBus Controller. The SUBSYS_309F17AA and REV_04 tags indicate it is specifically for a Lenovo system (identified by the 17AA vendor ID).

Deep analysis: pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

Summary

This refers to a PCI device with vendor ID 0x8086 (Intel), device ID 0x8C22, subsystem ID 0x309F:0x17AA, and revision 0x04. The term "patched" indicates either firmware/driver modifications or that the device requires a vendor/third‑party patch to work properly (e.g., to enable functionality, fix regressions, or bypass whitelist/quirks). Below is a detailed technical breakdown covering identification, likely hardware, driver mapping, common issues, patching contexts, and diagnostic/repair steps. pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

, a standard component found in systems like the Lenovo ThinkCentre M83. Hardware Overview Device Name: Intel SMBus Controller amprev seems to indicate a revision or version

• amprev seems to indicate a revision or version.
• 04 could be the revision number.

Why "patched" might appear

• Driver quirk applied: Linux kernel or vendor driver may include a quirk (device-specific workaround) to enable power management, correct DMI-based initialization, or fix broken ACPI methods. This is often annotated as "patched" in logs or forum posts when a custom quirk was added to allow proper operation.
• Firmware/BIOS whitelist bypass: Some OEM firmwares restrict or modify device behavior; community patches may alter ACPI/DSDT or inject overrides to enable unsupported OS features.
• Reverse-engineered driver or binary patch: When upstream drivers (Windows/Linux) lack a needed fix, users apply binary or source patches to enable the device (e.g., enabling audio codecs, disabling problematic power states).
• Microcode/firmware update: Intel device microcode or firmware may be updated/modified; logs may note the device as "patched" after applying such an update.
• Third-party driver replacement: For example, replacing a vendor-supplied driver with an open-source one and marking it as patched.

3.2 Windows – Device Manager & Registry

In Device Manager, under “IDE ATA/ATAPI controllers” or “Storage Controllers”, the device might show as “Intel(R) 8 Series Chipset Family SATA AHCI Controller”. A patched version would be indicated by a specific driver version (e.g., a hotfix from Lenovo with version number ending in something other than the generic Intel release) or a registry key at: HKLM\SYSTEM\CurrentControlSet\Services\iaStor\Parameters\SATA containing a DisableDIPM flag. Why "patched" might appear

Device ID (DEV): 8C22 (Intel 8 Series/C220 Series SMBus Controller)

Standard Intel Chipset Device Software usually handles this device automatically. However, you might need a "patched" or specific version if:

pci ven8086 &dev8c22 &subsys309f17aa &rev04 patched