running these on the abit pro, been grt for me so far, runs 24/7: volts 2.1 - timings 4-5-5-15 running @ 900mhz. mem 1.1.
will do 1000mhz np, when i tryed that was 5-5-5-15 @ 2.2 volts
been impressed with the cooling on them , touched a few times, where never that warm.