On Wednesday 24 November 2010 11:23:48 Neil Bothwick wrote: > On Tue, 23 Nov 2010 22:53:02 +0000, David W Noon wrote: > > >Apparently it's not quite a full i686. The research I did at the time > > >indicated that using anything higher than i486 was asking for > > >problems. > > > > I am a little surprised by that. I ran a couple of K6-3 boxes for some > > few years using i586. As near as I could tell, those processors only > > lacked CMOV instructions when compared with i686. I find it hard to > > envisage the Geode lacking any i586 feature, given that it has MMX > > instructions, CMOV instructions, the CMPXCHG8B instruction and a TSC > > register -- all of those are way beyond i486. > > AFAIR is does implement the full i586 set, but some of it badly, so i486 > gives better performance... but don't ask me to do an emerge -e world on > that box to check it out b:(
Tempting.... but.... no, I won't make you do it ;) -- Joost
