Well I just bought a BIG GF6600GT. I have a 400W VIP power supply, P4 2.6GHz HT, Intel865GBF, 512MB DDR400, 80GB SATA. The problem is that after installing the card with the latest 77.77 drivers, I started 3D Mark 05 but the information said my graphics was runig at 300MHz. The 3D score was...