Its a Dell Pentium D - basically x86_64 but does not support hardware virtualization. Its a Dell Poweredge SC430 if that helps??? On Wed, 16 Dec 2009, John R Pierce wrote: > Scot P. Floess wrote: >> I have a really silly question... but just want to ask... >> >> I have one box on my home network that is x86_64 capable... My other >> boxes are all i386. As this x86_64 machine can, at most, house 4 GB of >> RAM (currently only has 1 GB) - is there any advantage to my running >> x86_64 on that machine instead of i386... Long story as to why I am >> asking - but before I go off and moveit down to i386 - just wanted some >> opinions :) >> > > on most 64bit capable x86 CPUs, 64bit code is faster, because the x86_64 > mode has more registers than the traditional i386. On the first gen > Intel x86_64 CPUs, that would be P4's that had 64bit added to them, I'd > probably stick with 32bit, but on any AMD or Intel Core CPU, I'd > probably use x86_64 by default. > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > Scot P. Floess 27 Lake Royale Louisburg, NC 27549 252-478-8087 (Home) 919-890-8117 (Work) Chief Architect JPlate http://sourceforge.net/projects/jplate Chief Architect JavaPIM http://sourceforge.net/projects/javapim Architect Keros http://sourceforge.net/projects/keros