DO NOT ATTEMPT THIS ON A 3000 OR 2000 WITH TA088V3 motherboard. Required Files : 1. www.megaupload.com – 5.50 GEN D3 Installer or www.fileserve.com This tutorial shows you how to upgrade your custom firmware to 5.50 GEN D3. I used a 2000 running 4.01 M33 and it worked so therefore any CFW above 4.01 should work.