the best ram sets for 1gb pc3200

[mste456]

i'm runnin corsair mem 3200 1x512 & 2x256 @ cas2 3-3-6
i've tried the settings at 2225 performance dropped though.
i have heard the relaxing the timings can increase the speed?

any suggs?

dfi lanparty nf2 ultra mobo
xp1700 (DLT3C JIUHB) 2.4ghz stock vcore
1024mb corsair pc3200
asus gf4 ti4200
WD 80 SE
enermax 550w psu
dangerden w/c
Win XP HE