[coreboot] [PATCH] Athlon64 K8 fixes
Marc Jones
marcj303 at gmail.com
Thu Nov 20 00:16:20 CET 2008
On Wed, Nov 19, 2008 at 4:01 PM, Robert Millan <rmh at aybabtu.com> wrote:
>
> Hi,
>
> My Athlon64 / K8 socket 939 setup needed the following adjustments to fix
> memory read/write errors. Thanks to Rudolf for hinting on which bits I
> should check for. Details:
>
> - bit 9, mandated by spec to always be set on sodimm or socket 939 dual
> dimm.
>
> - bit 28, enable 2T timing. no idea why, but I get memory errors without
> it.
>
I think that 2T timing is required when using an SO-DIMM. I did a
similar change for revf a few months ago.
Marc
--
http://marcjstuff.blogspot.com/
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