At bootup it says I have a 2400+. But in the bios the settings in optimal mode are 133x12.5/13=1662.5 or 1729?? It should be 133x15=1995. What's going on. I have the Asus A7N8x deluxe mobo. Even more confusing is that the setting is 7.0/15?? If I use this multiplier do I get 7x133 or 15x133?