ATI Radeon 9800XT Voltage Modding Guide
 

When you hit a snag overclocking your ATI Radeon 9800XT’s GPU and memory chips, what do you do? Better cooling will help but have you also considered volt modding the Radeon 9800XT?

http://www.rojakpot.com/showarticle....tno=111&pgno=0

maybe i am going to voltmod my 9800 too
its a pro but its the same pcb of the xt