I have just upgraded from a Matrox 450 to a Radeon 9800Pro from Sapphire. The problem is it shows artifacts and crashes in the middle of the games (so far i tried it on MOHAA, GTA Vice City, Combat Flight Sim 3).
I have an AMD 1900+ On a MSI KT333 Ultra ARU and 512 Ram. I´m considering updating the bios, but i would rather not risk killing my board. The CATALYST driver version is 3.5.