Originally Posted by AttiX
I guess that ATI doesn't make X300 cards. I believe that X300 cards are X600 cards with some bad pipelines or something like that.
In the past AMD labeled their bad yields of Athlon-XP's as Duron. Those procs didn't pass the high quality test for a athlon XP. So they disabled some cache. I think the same goes for ATI cards. Otherwise I wouldn't be able to overclock that far without stability probs I guess.