FreeBSD 4.x Opteron Question

[Boris Spirialitious]

--- Boris Spirialitious <hardcodeharry at yahoo.com>
wrote:
> 
> --- Matthew Seaman <m.seaman at infracaninophile.co.uk>
> wrote:
> > On Tue, Mar 15, 2005 at 08:50:22AM -0800, Boris
> > Spirialitious wrote:
> > > When opteron support start for Freebsd? I have
> > 4.9. 
> > > is supported? Or 4.11 better? I can't use 5.x.
> > 
> > Well, AMD64 support as a tier-1 platform only came
> > in with 5.x, so
> > you're S.O.L. if you have to use a 4.x release
> > version.  
> >  
> > > Will a i386 disk boot on opteron system? Can I
> > > use same disk image for intel and amd MBs? Any
> > > big problems?
> > 
> > You can generally run AMD64 machines in IA32 mode
> --
> > but what would be
> > the point? All you get then is a machine that
> costs
> > more than an
> > equivalent IA32 box and that probably performs
> > worse.
> 
> That is very curious to say. Isn't the advantage
> of Opteron the superior IO architecture? There is
> not much advantage with 64 bit computing. What is
> faster about it? Pointers are bigger, so it use
> more cache for less. NOt much 64bit math in
> OS. Why do you say it will perform worse?
> 
> Boris

I am waiting for your answer.

Boris


		
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