Quote Originally Posted by karbonkid View Post
Not in my experience - My Brisbane 4000+ won't budge past 2.73GHz without failing prime. At this speed, it's Orthos 24h stable in Windows XP 32-bit and just as stable (mprime 24h stable) in 64-bit Linux...
perhaps its dependent on which part of the cpu is limiting.. might be a part affected by 64bit os, might be not..

too, remember to use 64bit prime versions to test under 64bit environment.. (dont know about mprime..)