Which version of 9600XT you got, because Sapphire released about 8-10 versions of 9600XT. What memory does your card use is it BGA or TSOP, BGA is square shaped, and TSOP is a rectangle. And what's its stock frequency, you could find out this using any overclocking software.
-AMD Athlon64 3200+@2300mhz -GAK8N -3x512 Hynix PC3200 ram@192mhz 2.5-3-3-7 -Albatron 5900PV @ 560/1000 -SB Audigy -Adaptec 1210SA Raid -2x120G Seagate SATA150 7200.7 Raid0 -Enermax 460watt psu