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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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