intel thunderbolt controller driver - 82801DB/DBM SMBus Controller

Looking for the correct intel thunderbolt controller driver for your system? You’re in the right place. This page provides a safe, direct file, compatibility notes, and simple steps so you can get your Thunderbolt ports working quickly on supported Windows versions.

Supported operating systems include:

• Windows 10 32 bit
• Windows 8.1 32bit
• Windows 7 32bit
• Windows Vista 32bit
• Windows XP

Device category: Motherboards. Driver version reference: 4.0.4.0. Original file path: driver46950.zip.

Download - intel thunderbolt controller driver

Driver model name: 82801DB/DBM SMBus Controller - 24C3

Device Type: Motherboards

Version: 4.0.4.0

File name: driver46950.zip

Date added: 2003-01-08

After verifying OS compatibility below, proceed to installation. Click on the download link.

How to install

Troubleshooting common install issues

• Controller not detected - In BIOS/UEFI, ensure Thunderbolt is enabled and Security Level isn’t blocking devices. Update BIOS if available.
• Code 10/Code 28 errors - Uninstall the device in Device Manager, check Delete the driver software, reboot, then reinstall the intel thunderbolt controller driver.
• Unsigned driver warnings - On older OS versions, ensure Windows is fully updated. If needed, install via Have Disk with administrator rights.
• Port works intermittently - Use a certified Thunderbolt cable and connect devices directly to the port for testing. Avoid hubs during initial setup.
• Feature app missing - Some systems require Intel Thunderbolt software or the UWP Control Center. Install the companion app from your OEM if prompted.
• Power management conflicts - In Device Manager → Thunderbolt Controller → Power Management, uncheck Allow the computer to turn off this device to save power.
• Compatibility - This package targets 32‑bit Windows only:
  • Windows XP
  For 64‑bit editions, obtain the appropriate build from your motherboard vendor.

FAQ - intel thunderbolt controller driver

Which devices is this driver intended for?
It’s designed for systems using motherboard‑integrated Thunderbolt controllers. Device category: Motherboards. Model shown here: 82801DB/DBM SMBus Controller - 24C3.

What version is provided?
The package references version 4.0.4.0. Your OEM may offer newer firmware or software components separately.

Which Windows versions are supported?
This 32‑bit release supports Windows 10 32 bit, Windows 8.1 32bit, Windows 7 32bit, Windows Vista 32bit, and Windows XP.

Where do I find the controller in Device Manager?
Open Device Manager → System devices → look for Thunderbolt Controller. If missing, enable Thunderbolt in BIOS/UEFI and install the driver.

Can I roll back if something breaks?
Yes. In Device Manager, open the controller’s Properties → Driver → Roll Back Driver. You can also System Restore to a point before installing.

Is firmware included?
Some packages include both driver and firmware tools. If a firmware updater is not present, check your OEM support page for a separate update.

Why download from driverfiles.net?

We provide curated, clean files for the intel thunderbolt controller driver with straightforward instructions and no bundled adware. Each package is scanned and hosted for fast access, and we clearly note the model 82801DB/DBM SMBus Controller - 24C3, file details like driver46950.zip, device category Motherboards, and version 4.0.4.0. This helps you install with confidence on the correct Windows edition, including Windows 10 32 bit and legacy versions.