Not sure what you mean when stating that Bios 1.71a natively supports user CPU:RAM divider changing between 1:1, 5:4, or 3:2 ?
With a G0 version Q6600 fitted to my Conroe865pe, and using good quality DDR550 memory, the FSB:MEM ratio is stuck at 3:2 nomatter what FSB is used. This...