CPU Multiplier is selectable from 6x ~ 11x for my X6800 ES.

CPU Frequency is selectable from 100 ~ 600MHz

PCI Express Frequency should be fixed at 100MHz. Otherwise you can set it up to 150MHz.

C.I.A.2 automatically overclocks the system. In our case for benchmark purposes, it is Disabled. Take note that system might be unstable depending on ram and other parameters used. If system is unstable, choose a lower speed