Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched 2021 · Trusted & Premium
The hardware ID you provided corresponds to the Intel 8 Series/ C220 Series SMBus Controller .
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 pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched
Fixing "Missing Driver" Issues: If this device appears as an "Unknown Device" or "SM Bus Controller" with a yellow exclamation mark in Device Manager, installing the Intel Chipset Device Software for Windows 10/11 will usually resolve the issue by providing the necessary .inf files. The hardware ID you provided corresponds to the
Power Management: It handles light power instructions and tracks battery charging status on mobile units. Driver quirk applied: Linux kernel or vendor driver
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.
Install the package. This will apply the correct naming protocol to Device ID 8C22 and clear the system flags. Lenovo model
- High CPU usage from the "System" process.
- Battery drain issues (fan running constantly).
- Inability to use Lenovo specific firmware updates or BIOS settings.
Run the installer with the -overall flag via Command Prompt to force the update of all chipset components. 2. Manufacturer-Specific Drivers
EEPROM Readout: It reads Serial Presence Detect (SPD) data stored on physical RAM sticks so the BIOS can identify memory speed and timing parameters. 🛠 Contextualizing the Term "Patched"
