On Thu, Oct 28, 2004 at 07:18:36PM +1000, Russell Coker wrote: > On Thu, 28 Oct 2004 14:16, Jerone Young <jerone@xxxxxxxxx> wrote: > > Try the FC3 X86_64 realease candidate (just look at archive on list) > > and see if everything works out. I wouldn't mind seeing how much > > slower the EMT64 is compared to a true X86_64 CPU like the AMD Opteron > > How is an EMT64 not a "true X86_64"? They both run the same code. Almost the same code. EM64T lacks prefetchw() and I believe also 3Dnow. It also has no iommu which may be real consideration if using > 3Gb of RAM. Alan