Date: Fri, 17 Mar 2006 06:48:27 +0100 From: Martin Nilsson <martin@gneto.com> To: JoaoBR <joao@matik.com.br> Cc: freebsd-amd64@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: amd64 slower than i386 on identical AMD 64 system? Message-ID: <441A4DAB.4030800@gneto.com> In-Reply-To: <200603161705.17351.joao@matik.com.br> References: <200603140740.38388.joao@matik.com.br> <4419AC9B.6000804@rogers.com> <1142536279.77351.5.camel@triton.mcneil.com> <200603161705.17351.joao@matik.com.br>
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JoaoBR wrote: > with 2GB no problem, > 3GB I do not know but 4GB is when the problem appears here for me > > >> Wonder if there is some sort of memory pairing issue. To get >2GB and >> <4GB I'd think you have to have 2 1GB sticks and 2 512MB sticks or >> something like that. > > no it isn't in my case, I use real good dual-channel 2x (2x1GB) suggested > memory listed in the MB manual With 4GB memory you will likely get some memory remapped above 4GB, could your problems be caused by a buggy driver that doesn't support memory over the 4GB barrier correctly? (The ata driver comes to mind) /Martinhome | help
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