Thinkpads Forum

I am thinking to get 2G(2*1G) for my T61 laptop.
Since the new mobo is Santa Rosa, Can I use DDR2 800 (PC2 6400) on T61 since it is 800MHz system bus?
any advice?

This topic has been covered numerous times.

Please see this and this. You'll find atleast 6-10 more if you search.