Many thanks TechyInAZ
Intersting reply from ASROCK TAIWAN -
ASRock Hello, Sorry we don't have driver for Win10 on 6&7 series chipset, but however you can still upgrade to Win10 and use windows update to get all the driver you need from Microsoft, thanks.
Does this imply that Microsoft are supplying a driver ? Or that the old driver is OK ????
I have now decided to upgrade my desktop to i5 - 4690K -Asus Z97 Pro Gamer - Coolermaster RR 212E - XFX 850 modular.