Well, i have a strange problem. I had 2x512MB PC4300 TwinMost Twister memory sticks and the system was working rock stable at 270x10 ( the memory was running at 270mhz aswell).
Now, i bought 2x1GB OCZ PC4000 Gold GX XTC and the system is unstable even at 230mhz. At first i thought there was something wrong with the memory, but then i figured that's not it, because the system was perfectly stable at 270mhz with just one ram stick in (yes, i did test both sticks). So, there must be something wrong with the motherboard. It seems to be having problems running the memory at more than 225mhz, when more than 1GB of it is installed.
I now have to run the memory at 225mhz (2.5-3-3-7, PC333, 3xHT, 270FSBx10 to get a stable 2.7Ghz) in order, for the system, to run stable. If anyone knows anything about this, please share your knowladge. I don't want to run this memory at 225mhz, when it could easily do 270mhz.