DriverBackup is a nice driver backup tool that allows a user to create a backup of his or her hardware driver files. This free and portable tool preserves drivers of your hardware peripherals by saving them into a user specified location. You can then quickly reinstall your system hardware drivers if need be from the saved location. This tool uses 212KB of disk space once extracted making it ideal for portable usage.
Driver Backup – Export Windows Drivers
Authors Website: sourceforge.net/projects/drvback
License: Open Source
Download: Download this Portable Software HERE