Right now I'm using this
RAM: 2x1gb 800MHz PC6400 with 4-4-4-12 timings. I am looking at buying these
sticks: 2x2gb 1066MHz PC2 8500 with 5-5-5-18 timings. Before I do, I have several questions.
I know running them both simultaneously would mean the 1066 would run at 800. Would the 4-4-4-12 timings run at 5-5-5-18?
Do I need to tweak the 1066 so it actually runs at 1066, or are they plug and play at 1066?
Would it be better to run only the 2x2gb at 1066 or run all 6gb at 800?