Friend, I also bought an ASRock 4CoreDual-SATA2 R2.0 +C2Q Q6700, see the configurations of the signature, I spit two memoirs PATRIOT DDR2 667 in the plate, when I entered in BIOS had to put in DDR2 667 manually, and if I don't inhabit the function Flexibility Option Windows XP Pro SP3 doesn't...