Official GIGA P35-S3/DS3/DS3R/DS3P/DS4/DQ6 bios/info thread

[jton219]

Hi all,
I've got a strange issue: the system below works fine with 2GB of RAM, but as soon as I add a third, it refuses to overclock--at all. If I enter setup and enable overclocking, but don't even change the frequency--that is, that I keep it at stock MHz--it will refuse to post, will reboot, and disable overclocking.

If I remove the third stick, I can go right back to my 24/7 overclock. Since I have 4 sticks, I've tried them all in various combinations, have vetted them with memtest, etc--it's not the RAM sticks themselves.

Have tried F4, F8, and F10 bioses; clear CMOS, etc.

Any clue? The RMA process will surely drive me to just get a different board, I think.

does it run with 3 sticks non oc options ok?? i have 3 sticks of 1066 in my ds3l now and it runs fine. post screen shows flex mode. i dont have it overclocked though, so its only at 800 but with 4-4-4-10 timing. is hte new stick same model as the old ones, are the chip density and voltage requirement different. ?? try a vdimm+.1 and run it at stock speeds. and see if its posts.

i notice you have a p35c, i think that means combo memory. did you accidently mix ddr2 and 3? u could try you ddr 3 chips tryign to run them at ddr2 voltage