The process of downloading the Tyan Thunder n4250QE (S4985-E) Bios 2.03a driver should begin automatically after a few seconds. If this does not occur, click on one of the links below (we recommend downloading the Tyan Thunder n4250QE (S4985-E) Bios 2.03a driver from the primary server - this is the manufacturer’s Tyan official website). If the download still fails to run, check whether your anti-virus software is not blocking the connection to the manufacturer server of the Tyan Thunder n4250QE (S4985-E) Bios 2.03a diver.