Pci Ven8086 Ampdev8c22 Ampsubsys309f17aa Amprev04 Patched Online

This hardware ID identifies the Intel(R) 8 Series/C220 Series SMBus Controller - 8C22, specifically as found in Lenovo systems. This controller is a standard component of the Intel 8 Series (Lynx Point) chipset, used for system management communications such as temperature sensing and power management. Hardware Identification Details Vendor ID (VEN): 8086 (Intel Corporation)

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

Subsystem ID (SUBSYS): 309F17AA (Lenovo-specific implementation) Revision (REV): 04 Commonly Affected Systems

The specific subsystem ID 309F17AA is most frequently associated with professional Lenovo desktop models: Lenovo ThinkCentre M83 (Model 10AMS00B00)

Lenovo ThinkCentre M93/M93p (Series with similar Intel 8-series architecture) Driver & Patch Information

If you see the term "patched" in a driver report, it typically refers to a modified or updated Intel Chipset Device Software (INF) package that ensures the OS correctly identifies the hardware.

Official Driver: The latest official drivers for this device are typically provided through the Lenovo Support Portal or the Microsoft Update Catalog.

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.

Recommended Action: Use the Lenovo System Update tool to automatically find and apply the correct "patched" or updated chipset drivers for your specific hardware configuration. Intel Chipset Device Software for Windows 10 (64-bit)

Description. Intel(R) Chipset Device Software for Windows 10 (64-bit) - ThinkPad. Lenovo

Intel 8 Series/C220 Series SMBus Controller chipsets drivers

The device identifier PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 corresponds to the Intel(R) 8 Series/C220 Series SMBus Controller. Device Identification Breakdown Vendor ID (VEN_8086): Intel Corporation.

Device ID (DEV_8C22): 8 Series/C220 Series Chipset Family SMBus Controller.

Subsystem ID (SUBSYS_309F17AA): Lenovo-specific implementation (commonly found in ThinkPad models like the T440, T540p, or W540). Revision (REV_04): Specific hardware stepping/version. What does "Patched" mean?

In the context of this specific hardware ID, "patched" typically refers to a script or driver modification used to force the Windows SMBus Controller to properly identify and load.

Often, this device appears with a "Yellow Bang" (exclamation mark) in Device Manager or as an "Unknown Device" because the default Windows installation doesn't automatically assign the Intel Chipset null driver to it. A patching script  usually performs the following:

Detection: Scans for the specific Hardware ID using PowerShell (Get-PnpDevice). pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched

Driver Assignment: Forces the system to associate the device with machine.inf so it is recognized as a system device rather than an error.

Stability: Resolves issues where the SMBus might conflict with other power management or thermal reporting features. Resolution Steps If you are seeing this ID and need to "patch" or fix it:

Intel Chipset Device Software: Download and install the latest Intel Chipset INF Utility. This is the "official" patch that tells Windows how to label the 8C22 controller.

Manufacturer Drivers: Visit the Lenovo Support page for your specific laptop model (e.g., T440p) and install the "Chipset" drivers.

The hardware ID you provided corresponds to the Intel 8 Series/ C220 Series SMBus Controller .

This specific string (PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04) traces a critical low-speed communication component found in 4th-generation Intel Core "Haswell" platforms. Below is a deep, technical breakdown of this device, what the hardware identifiers mean, and the implications of a "patched" state. 🔍 Deep Breakdown of the Hardware ID

A PCI Hardware ID is parsed from left to right to pinpoint the exact manufacturer, model, and silicon stepping of a component.

VEN_8086: This is the vendor ID for Intel Corporation (8086 is a nod to their legendary 8086 microprocessor).

DEV_8C22: This designates the specific device as the Intel 8 Series/C220 Series System Management Bus (SMBus) Controller.

SUBSYS_309F17AA: 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.

REV_04: This stands for Revision 04, denoting the 4th physical stepping or minor hardware revision of that specific silicon die. ⚙️ Role of the SMBus Controller in Computing

The System Management Bus (SMBus) is a lightweight, two-wire bus derived from the I2Ccap I squared cap C

serial bus protocol. Its presence is vital to overall PC health and low-level communication:

Hardware Monitoring: It allows the system to read temperature sensors, monitor voltage levels, and communicate with fan controllers.

Power Management: It handles light power instructions and tracks battery charging status on mobile units.

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" This hardware ID identifies the Intel(R) 8 Series/C220

In the context of hardware IDs and device drivers, the word "patched" usually refers to one of three specific technical scenarios. 1. The INF "Null Driver" Patch

Often, when clean-installing Windows on Intel platforms, the SMBus controller yields a yellow exclamation mark in the Device Manager.

The Issue: Intel SMBus controllers typically do not require an active .sys binary driver because the operating system handles standard I2Ccap I squared cap C /SMBus calls natively.

The Patch: To remove the yellow error, Intel distributes chipset software (the Intel Chipset Device Software or INF Update Utility). This acts as a "patch" by providing an INF file that simply assigns a friendly text name to the device (e.g., " Intel(R) 8 Series/C220 Series SMBus Controller - 8C22 ") and tells Windows that no functional driver is missing. 2. DSDT/ACPI Patching (Hackintosh or Custom Firmware)

If you are reading about a "patched" state regarding this device in a custom environment (such as running macOS on non-Apple hardware), it refers to an ACPI modification.

The Issue: Apple's macOS operating system expects specific SMBus naming conventions (like SBUS or MCHC) to correctly load its native AppleSMBus power management kexts.

The Patch: Users utilize bootloaders like OpenCore to inject custom DSDT/SSDT files. This "patches" the raw PCI device path so macOS recognizes the controller and activates native laptop battery or thermal readouts. 3. IOMMU or Virtual Machine Passthrough Patching In advanced Linux environments or virtualization matrices:

The Issue: When attempting to pass specific hardware directly through to a Virtual Machine (using VFIO), a device might be stubbornly bound to an IOMMU group that shares other crucial host components.

The Patch: Administrators apply kernel patches (like the ACS override patch) to break up IOMMU groups, allowing this specific PCI device string to be isolated and securely assigned directly to a guest OS. 📥 Maintenance and Driver Solutions

If your system is throwing an "Unknown Device" or showing an error on this specific hardware ID, resolution involves applying the official Intel INF files.

Navigate to the Intel Download Center or the official support portal of your computer's manufacturer (which, according to the Subsystem ID, is Lenovo).

Search for the Intel Chipset Device Software or the INF Update Utility.

Install the package. This will apply the correct naming protocol to Device ID 8C22 and clear the system flags. Lenovo model

associated with that Subsystem ID, or are you trying to apply a Hackintosh ACPI patch for this controller? PCI\VEN_8086&DEV_8C22 - Microsoft Update Catalog

Subject: [SOLVED] Driver ID: PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 – Device Recognition & Patched Driver Info

Post Body:

I wanted to create a reference post for anyone dealing with this specific Hardware ID. I recently encountered this device on a legacy Lenovo machine and managed to get it operational using a patched driver approach.

1.3 SUBSYS_309F17AA: The Subsystem – OEM Specific

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.

For modern users, seeing this string in your logs (especially on Debian, Ubuntu, or FreeBSD systems running on older ThinkPads) is a good sign. It means the operating system recognized the quirk and applied the necessary workaround. If you do not see the "patched" flag and you own this hardware, you are likely experiencing random freezes. The solution is either updating your BIOS to the latest version or ensuring your kernel/drivers are recent enough to include the quirk.

In the world of hardware identifiers, “patched” is not a dirty word—it is a certification of reliability earned through community effort and engineering diligence.

Further Reading & Resources:

The hardware ID PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 identifies the Intel(R) 8 Series/C220 Series SMBus Controller - 8C22 . This specific configuration is primarily found in Lenovo ThinkCentre M83 business desktops. Device Identification Vendor (VEN_8086): Intel Corporation. Device (DEV_8C22): 8 Series/C220 Series Chipset Family SMBus Controller. Subsystem (SUBSYS_309F17AA): Specifically identifies the implementation by ThinkCentre M83 (model 10AMS00B00).

The SMBus (System Management Bus) allows the motherboard to communicate with low-speed internal components like temperature sensors, fan controllers, and voltage regulators. Driver & Support Information

If you see this device listed as an "Unknown Device" or "SM Bus Controller" with a yellow exclamation mark in Device Manager, you need to install the Intel Chipset Device Software MSI Global English Forum

Intel(R) 8 Series/C220 Series SMBus Controller - Driver Scape

3.3 FreeBSD / OpenBSD

In FreeBSD’s pciconf -lv output, you would see the device. A patched kernel would reference a custom ahci_chipset.c entry with a quirks flag like AHCI_Q_ALPM_DISABLE for this specific subsystem.

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.

1.4 REV_04: The Revision – Stepping 4

Driver Feature Patch (INF Modification)

If you are creating a custom driver installation or modifying an existing INF (e.g., for deployment tools), add the following sections.

1. Identify the Hardware:

2. The Code (INF Structure):

[Version]
Signature="$WINDOWS NT$"
Class=System
ClassGUID=4D36E97D-E325-11CE-BFC1-08002BE10318
Provider=%INTEL%
DriverVer=07/01/2015, 9.4.2.1020
[Manufacturer]
%INTEL%=INTEL_System, NTamd64
[INTEL_System.NTamd64]
; SMBus Controller 8 Series/C220
%PCI\VEN_8086&DEV_8C22.DeviceDesc%=SMBus_Device, PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04
[SMBus_Device.NT]
CopyFiles=SMBus_CopyFiles
[SMBus_Device.NT.HW]
AddReg=SMBus_AddReg
[SMBus_AddReg]
; Ensures the device is recognized correctly
HKR,,FeatureFlags,0x00010001,0x00000001
[SMBus_CopyFiles]
; Add necessary driver files here (e.g., ichsmb.sys)

Decoding the Hardware Identifier: A Deep Dive into PCI VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 and the Implications of a "Patched" Driver

In the world of operating system kernels, driver development, and hardware compatibility, few strings are as simultaneously cryptic and critical as the Plug and Play (PnP) hardware identifier. For the average user, encountering a string like PCI\VEN_8086&DEV_8C22&SUBSYS_309F17AA&REV_04 usually appears in the Windows Device Manager under a yellow warning flag, or perhaps in a system log file. But when the word "patched" is appended—as in your keyword "pci ven8086 ampdev8c22 ampsubsys309f17aa amprev04 patched"—it signals a departure from standard operating procedure.

This article will dissect this specific identifier, explain what each segment means, explore the hardware it represents, and finally, discuss the serious technical and security implications of running a "patched" version of its driver. and hardware compatibility

HOW TO DOWNLOAD MOVIES CHECK THIS VIDEO :
CHECK NOW
This is default text for notification bar
Learn more