Date: Tue, 8 Nov 2005 09:26:53 +0100 From: Claus Guttesen <kometen@gmail.com> To: Scott Long <scottl@samsco.org> Cc: freebsd-amd64 List <freebsd-amd64@freebsd.org> Subject: Re: amd64 does not see all 4 GB RAM on tyan GT24 Message-ID: <b41c75520511080026h6a544dddq@mail.gmail.com> In-Reply-To: <b41c75520511071423r44801c56t@mail.gmail.com> References: <b41c75520511070648v5d438bf7y@mail.gmail.com> <436F69DB.8060408@samsco.org> <b41c75520511070731i15017f97i@mail.gmail.com> <436FD27E.1050802@samsco.org> <b41c75520511071423r44801c56t@mail.gmail.com>
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> > Not sure why the SMAP lines didn't get printed out. Anyways, check you= r > > BIOS for a setting related to PCI-Express. Some motherboards allow you > > to reclaim the 256MB hole that PCI-Express consumes. That should help > > your problem at least a little bit. > > I'll do tomorrow when I get back to work.I'll also try to change > memory mapping to software if that is not the default. I'll post the > result. Thank you for the feedback and the pointer to the thread that > discussed a similar (if not exact) issue. The thread is > http://lists.freebsd.org/pipermail/freebsd-amd64/2005-August/005814.html Hardware-remapping gave me this dmesg: real memory =3D 5100273664 (4864 MB) avail memory =3D 4126797824 (3935 MB) ACPI APIC Table: <PTLTD APIC > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs Software-remapping gave me: real memory =3D 5368709120 (5120 MB) avail memory =3D 4118933504 (3928 MB) ACPI APIC Table: <PTLTD APIC > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs I've set memory remapping to hardware in bios. regards Claus
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