[QUOTE=Delta9b;2452929]Has anyone tried the F6a BIOS?
I flashed to it the other day, in the memory divider section there is the option to choose which straps you want to use with the memory divider ie 800, 1066, 1333 not all have the option though, im still waiting on my crucial ram to test it (my current ram wont do the option they give for the strap change) anyone had a chance to play with this yet?

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Thats exactly what the p35c-ds3r needs. Have a e6850 /2x1g crucial pc8500. Keeps jumping back and forth from 1066-800 strapping. got sick of clearing cmos to get the 1066 as ram is rated. presently at 3.6 (8x450). Had fsb at 510 on 1066 strapping , orthos stable 8+hrs and same memtest, rebooted to try lower vcore and didnt like, rebooted and back to 800 strapping. Vcore set 1.45 in bios actual 1.41 idle, 1.39 load.

system is stable, yet when i coldboot, often system hangs at OS load. have to reset anywhere from 2-4x befor it opens up. Often get a small error window saying Not For This Chipset! but everytime i see that is good news, because I know system wont hang. Also, seems like (all air cooled,Zalman 9700 cpu cooler) I hear fan rev up I know system will open windows no probs.