These drivers are derived directly from my Windows XP Professional x64 Edition (Volume License) install on my ASUS SABERTOOTH X99 Workstation.
None of the drivers have been modified. They've been tested to work successfully on the ASUS SABERTOOTH X99 Motherboard.
The download link is below!
Please open the read me file for more information and what to expect; before proceeding with any driver installation.
Download Link: http://www.mediafire.com/?1noclu654luf9