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i also tried the F6D as well and could not enter the windows and then reboot.....see a sentence........recovering the bios etc....

now i back to F5G:up:

suggest to skip the F6 series and wait...

Thanks for your F6c report^^

Thanks^^

hope F6c can be better than F5g(my best one)

i tried F6b and need more voltage for stablility. F5g is still the best one for me^^

This is a good news that bios Vol mod(1.3V) is possible now on 4870:up:
Hope you can share your modded bios with us:clap:

thanks^^

Thank you very much!
your method success on me and my 3d mark score increase obviously^^

hi! can you tell me what bios editor are you using for reading this? thanks!

amd gpu clock tool v0.7~~~can u tell me how to change the dll in toollib? thanks!
or any download link for this modified amd gpu clock tool ? thanks a lot^^

i am using Da850(rev.2.5)which is very quiet under any load^^
i am going to buy two r680 running in crossfire, i think DA850 can handle it^^

DRAM Static Read Control: AUTO
Ai Clock Twister : Strong
Transaction Booster : AUTO

try to disable or lower the above setting to see any improvement !

i am now using ST DA 850 (new version) which is very quiet but i heard some certain old version may have whining noise under loading.

0802 is good !:up:

i set to 1.5v(lowest) on CpuPLL in bios, 423x9=3.8G, both prime and occt stable!
since my system is stable in this lowest setting, it is unnecessary to set it higher to produce more heat!

i think CPU/pcie Spread Spectrum should be disable to add stable ！

very good oc result:up:

yes, high temp sensor reading should be the small bug in 0701 bios !
u should use core temp reading which is more reliable !

try to disable transaction booster, it may help u hit 530+ or close to it^^