Hey, I have a SOYO-P4S-645DX DRAGON Ultra and a single 512MB stick of PC2700 Memory. My board is supposed to support PC2700 memory and even has a 166x2 multiplier setting built in to the BIOS. THe bios has a cheat sheet on the CPU/RAM/AGP settings page that says I shoud be using 62hz as my AGP setting for a 133/166 CPU/RAM combo. THe problem is, it doesn't give me the option of setting it any lower than 66hz, which causes the PC to lock up when XP is loading. If I set the RAM back down to 133, all is fine. So I've got PC2700 RAM running at PC2100 speed. Help?