Intel 82801DB DBM USB 2.0 Enhanced Host Controller 24CD Driver

The Intel 82801DB DBM USB 2.0 Enhanced Host Controller 24CD driver helps Windows communicate with the USB 2.0 controller built into older Intel-based systems. It is relevant when you reinstall Windows, see an unidentified USB controller in Device Manager, or troubleshoot devices connected to the controller’s ports. Despite sometimes appearing in an Audio category, this component manages USB connections rather than onboard sound.

Key Features

• USB 2.0 controller support: Enables Windows to manage the controller’s enhanced host interface for compatible USB peripherals.
• High-speed connectivity: Supports USB 2.0 operation at theoretical speeds of up to 480 Mbps when the connected device, cable, and port support it.
• Device recognition: Helps Windows identify and configure the controller correctly when the appropriate driver or chipset information is missing.
• Peripheral compatibility: Works with Windows USB support to handle connections for devices such as external storage, printers, and USB audio accessories.

How to Install Intel 82801DB DBM USB 2.0 Enhanced Host Controller 24CD Driver

1. Confirm the controller. Open Device Manager, locate the USB controller or unknown device, and check Properties > Details > Hardware Ids. Look for Intel vendor ID VEN_8086 and device ID DEV_24CD before selecting a package.
2. Check Windows compatibility. For an Intel 82801DB DBM USB 2.0 Enhanced Host Controller 24CD driver download for Windows, verify the package’s supported operating systems and architecture. Windows 7, 8, 10, and 11 may use built-in USB support; this legacy hardware should not be assumed to have a dedicated driver for every version.
3. Choose a trusted source. Check Windows Update and your computer manufacturer’s support resources first. Select the latest version explicitly compatible with your system, and verify any free download before running it. Avoid packages that promise universal Windows 10/11 compatibility without documentation.
4. Install the appropriate package. Follow the supplied installer instructions, or use Device Manager > Update driver > Browse my computer for drivers if the download contains compatible driver files. Do not force an incompatible driver.
5. Restart and test. Restart if prompted, reconnect a USB device, and check that the controller appears without a warning icon. If problems begin after installation, use Roll Back Driver when available.

Keep the driver updated through trusted support channels, but prioritize compatibility over version numbers. An update may help resolve a documented issue; it will not add USB 3.0 capability or make an otherwise unsupported computer compatible with newer Windows releases.

Common Issues and Fixes

• Install fails or Code 28: Old Intel chipset packages often lack a signed INF for modern Windows. Update manually via Device Manager for `PCIVEN_8086&DEV_24CD`: Update driver > Browse > Let me pick > Have Disk, then select the matching chipset INF; prefer a signed x86/x64 package.
• Device not detected: Confirm USB 2.0/EHCI is enabled in BIOS, not only legacy USB. In Device Manager, show hidden devices and scan for hardware changes. If the 24CD controller is absent, reinstall the motherboard/chipset INF and check for PCI resource conflicts.
• Version conflicts/Code 10 or 41: Do not install Intel USB 3.x drivers. Remove any third-party USB driver, uninstall the EHCI device, reboot, and let Windows load its inbox USB 2.0 EHCI driver, or roll back the chipset driver.