AGP freq doesn't matter, there should be a fixed option at 66, what board do you have?
-AMD Athlon64 3200+@2300mhz -3x512 Hynix PC3200 ram@192mhz 2.5-3-3-7 -Albatron 5900PV @ 509/1000 -SB Audigy -Adaptec 1210SA Raid -2x120G Seagate SATA150 7200.7 HDD Raid0 -Enermax 460watt psu