Problems with AMD64 and 8 GB RAM?

[Matthias Buelow]

Greg 'groggy' Lehey wrote:

>I'm pretty sure it's not the memory.  I've tried each pair
>individually, and it's only when they're both in there together that
>it's a problem.  And yes, I've tried them in each pair of slots.

I'm sure you have checked this aswell but just for completeness,
they aren't different pairs?  Like one pair is single-sided and the
other double-sided (had some nasty and obscure problems with such
a combination myself)?

mkb.