@ ragheb - Nightmare !!, another thing I did at the same time was to uninstall Memset just in case this was changing the settings whilst Windows was booting.

@ DerekT - Cheers for the heads up. 1003 is working well here too. I can now run Intel Burn Test and HyperPi at 475FSB

Click image for larger version.  Name: 475_IBT4.jpg  Views: 766  Size: 191.7 KB  ID: 92010

@ Gullo92 - Will PM my settings to you to save space.