Date: Tue, 4 Mar 2008 03:44:16 +0000 From: RW <fbsd06@mlists.homeunix.com> To: freebsd-questions@freebsd.org Subject: Re: RAM not recognized Message-ID: <20080304034416.1ae48519@gumby.homeunix.com.> In-Reply-To: <18380.40222.870279.279849@jerusalem.litteratus.org> References: <47CC940B.5000400@123.com.sv> <47CC9BC0.1090408@datapipe.com> <18380.40222.870279.279849@jerusalem.litteratus.org>
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On Mon, 3 Mar 2008 19:51:42 -0500 Robert Huff <roberthuff@rcn.com> wrote: > > Paul A. Procacci writes: > > > AMD Features=0x20100000<NX,LM> > > > AMD Features2=0x1<LAHF> > > > Cores per package: 4 > > > real memory = 3484745728 (3323 MB) > > > avail memory = 3405631488 (3247 MB) > > > This is not a problem of FreeBSD but of i386/x86 architecture > > which max memory limit is 4GB i theory and 3-3.5GB in practice, > > you can use PAE to use 36bit addressing (instead of default > > 32bit) for memory to get full 4GB on i386 but you will not be > > able to have loadable kernel modules for example, other sollution > > for this is using amd64/64bit FreeBSD, where you will have full > > 4GB and even more without any problems. > > ... and not be able to run some ports; some won't run in > native 64 bit mode, some won't run at all. And also bear in mind that amd64 uses memory less efficiently than i386
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