Quote Originally Posted by OmegaRace View Post
using F2-6400CL4D-2GBPK ---DDR2 800 4-4-4-12 1.9V

With a P5B Deluxe, had to go to 1.95V to past memtest86+ v1.55. Failed one on test #4 and one on #5 @ 1.90V. After bumping to 1.95V no errors.

edit: using the suggested timings, 4-4-4-12-4-42-3-11-7-13
1.95 is good