[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.



More information about the coreboot mailing list