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HP Compaq 8200 Elite and 6200 Pro Desktop PCs - Several Unknown Devices in Device Manager After Installing Windows XP Service Pack 3


After installing Windows XP Service Pack 3, Device Manager displays one or more unknown devices under Other Devices.

Device Manager with several unknown devices listed under Other Devices


Download and install the latest driver for each device from the HP Support and Driver Web site :

Unknown Device Listed
Driver Category
Typical Driver Download *
Device Identified After Installation
Audio Device on High Definition Audio Bus
Driver - Audio
Realtek High-Definition (HD) Audio Driver
Realtek High Definition Audio **
Ethernet Controller
Driver - Network
Intel Gigabit Network Drivers for Multiple Operating Systems
Intel 82579LM Gigabit Network Connection
PCI Serial Port
Software - System Management
Intel AMT LMS_SOL for AMT 7.xx
Intel Active management Technology - SOL (COM3)
PCI Simple Communications Controller
Software - System Management
Intel AMT LMS_SOL for AMT 7.xx
Intel Management Engine Interface
SM Bus Controller
Driver - Chipset
Intel Chipset Support for Microsoft Windows
Intel 6 series/C200 Series Chipset Family SMBUs Controller 1C22 ***
Unknown Device ****
Software - Security
Infineon Trusted Platform Module (TPM) 1.2 Driver for Microsoft Windows XP
Infineon Trusted Platform Module
VGA Controller (VGA Compatible)
Driver - Graphics
Intel Graphics Driver
Intel HD Graphics Family
NOTE: * Drivers subject to change. If installing the typical driver download does not resolve the issue, download a different driver within the category.

** Reboot the computer after installing the driver.

*** The driver does not install automatically. Manually install the driver by navigating to the SoftPAQ download location and then install the driver.

**** If installing the Infineon TPM driver does not resolve the issue, make sure all other system drivers are up-to-date.

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