Date: Fri, 18 Mar 2005 19:28:25 +0000 From: Chuck Robey <chuckr@chuckr.org> To: Kenneth Culver <culverk@sweetdreamsracing.biz> Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD 4.x Opteron Question Message-ID: <423B2BD9.1010908@chuckr.org> In-Reply-To: <20050318135036.clb71qvg0o0k8w8o@www.sweetdreamsracing.biz> References: <20050318172739.61631.qmail@web90208.mail.scd.yahoo.com> <423B1135.30302@chuckr.org> <20050318135036.clb71qvg0o0k8w8o@www.sweetdreamsracing.biz>
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Kenneth Culver wrote: > Quoting Chuck Robey <chuckr@chuckr.org>: > >> Boris Spirialitious wrote: >> >>> --- Boris Spirialitious <hardcodeharry@yahoo.com> >>> wrote: >>> >>>> --- Matthew Seaman <m.seaman@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. > > > Actually due to the onboard memory controller it performs significantly > better > than like-priced chips from intel. I completely agree with you, Ken, but I had the feeling that this fellow was flamebaiting me, and I didn't want to subject everyone to that. I was right to begin with: there is some gain from having the chip, there is more gain if you have the better instruction set. If folks need to know more, like I *know* you have, you read one of the many architectural sites on the web. > > Ken > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to > "freebsd-questions-unsubscribe@freebsd.org"
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