I'm sure it's all in the latest bios. I also have the Corsair PC2 8500 and
I'm running mine at 800 MHz at the moment. With bios P26 & P27 I
was running 1066. When P28 came out I had to lower the memory to 800
but I got xtra cpu speed so I didn't complain. I'm just waiting on bios P29 now :-)

__________________