ASRock and virtualisation
Well, I was a bit disappointed the other day to go into the BIOS of my PC and discovering that “Virtualization” was set to disabled and that I wasn’t allowed to change it.
So, I sent an email off to ASRock asking what’s up (I know several manufacturers disable it and won’t turn it on - evil, since they claim to “support” the processor). About a day later I had a reply (they’ve replied very quickly both times I’ve asked a question - bonus points for ASRock (-ve points for a motherboard that only supports 1.9V memory though!).
The reply included some photos of their setup (same mobo, same bios, same chip (slightly earlier revision in fact)) - there it had virtualization forced _on_. Most odd. I’d already reset the BIOS settings (and only speedstep changed in later BIOS), I then changed some other settings to match those in the ASRock photo. Still no joy.
They had 2×512MB sticks of memory, I had 2×1024MB sticks. I thought “what the heck” and removed one. Strangely I now had virtualisation enabled - but I had control over it - I could toggle at will (which neither ASRock nor myself had been able to do). So I stuck the other 1GB back in and it was still enabled, and still changable. Booted into BIOS and the all important vmx flag was set in the processor type (it wasn’t before). So now I can play with hardware assisted virtualisation 
Posted: February 4th, 2007 under PC.
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