Performance Options. This is where you can set the individual ram timings. Our SPD of Cosair ram is CAS 3, 8-3-3, 1T.

LDT Frequency is default to 4x. It can be adjusted downwards.

PCIe Frequency sets the independent clock for PCIe graphics card

FSB Speed is selectable from 790 ~ 1300 (QDR). For actual CLK, just divide the number by 4. E.g. 800QDR = 200MHz. So the maximum of 1300 is actually 325MHz.