Pci ven 8086 dev 0102 subsys 844d1043

Pci ven 8086 dev 0102 subsys 844d1043

Content Type Troubleshooting

Article ID 000023446

Last Reviewed 08/28/2018

What’s the primary issue?

Intel SMBus Controller device drivers are overwritten with Intel® Chipset Device Software when updated through Microsoft Windows* Update, causing a loss of functionality for affected Intel SMBus Controller devices. 1 This loss of functionality applies to Windows* 7, Windows 8, Windows 8.1, and Windows Server systems.

What are you seeing?

You may experience a loss of functionality for the listed Intel SMBus Controller devices.

The SMBus is used for system management communications. If the device driver for the Intel SMBus Controller is not correctly installed, the temperature reporting, as an example, for the processor, PCH, and memory modules may not function as expected.

Why are you seeing it?

The existing Intel SMBus Controller device drivers are overwritten with the Intel Chipset Device Software, which provides the operating system with information about the device/hardware. This information allows the operating system to display the correct product name for that piece of hardware in Device Manager. The Intel Chipset Device Software does not install device drivers for the Intel SMBus Controller, resulting in a loss of device functionality.

How to fix it

  1. Roll back to the previous Intel SMBus Controller device driver:
  1. Open Device Manager, and then click Start > Control Panel > Device Manager.
  2. Select View > Devices by Type.
  3. Expand System Devices.
  4. Double-click SMBus device.
  5. Select the Driver tab.
  6. Click Roll Back Driver to restore.
  7. Reboot the system.
  • The SMBus device driver may need to be reinstalled:
    1. Intel® Desktop Boards or Intel® Server Boards: Download and install Intel® Desktop Utilities.
    2. Or contact your computer manufacturer for the SMBus driver appropriate for your system.
    3. Optional: Install the updated Intel Chipset Device Software or Intel Server Chipset Driver from Windows Update:
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      1. Open Device Manager, and then click Start > Control Panel > Device Manager.
      2. Select View > Devices by Type.
      3. Expand System Devices.
      4. Double-click the Intel chipset device from the list.
      5. Select the Driver tab.
      6. Click Update Driver.
      7. Optional: Install the updated Intel Chipset Device Software or Intel Server Chipset Driver from Intel Download Center:
        1. On Intel Download Center search for:
          • Intel Chipset Device Software (INF Update Utility) or
          • Intel Server Chipset Driver
          • Follow the installation instructions.
          • 1 What are the affected products?

            The Intel Platform Controller Hub (PCH) SMBus Controller with the following hardware device IDs is affected:

            • PCIVEN_8086&DEV_1C22
            • PCIVEN_8086&DEV_1D22
            • PCIVEN_8086&DEV_1E22
            • PCIVEN_8086&DEV_8C22
            • PCIVEN_8086&DEV_8CA2
            • PCIVEN_8086&DEV_9C22
            • Intel® Chipset Device Software version 10.1.1.38
            • Intel® Server Chipset Driver version 10.1.2.80
            • SMBus 2.0 Driver

            Код устройства: PCIVEN_8086&DEV_0102

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