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GA-P35-DS4 rev. 2.0 - memory timings

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December 23, 2008 4:15:24 PM

Hello,

I just installed a pair of Corsairs' TWIN2X4096-6400C4DHX modules and I ran CPU-z and it's telling me the timings are 5-5-5-18. I want to set them to 4-4-4-12. I increased the memory voltage from 1.8 to 2.1, but I cannot find where to manually set the timing values in BIOS. In "MB Intelligent Tweaker (M.I.T.)" section there is no option such as "High Speed DRAM DLL Settings" or anything related to timings.
Where can I find such an option?

Thanks a lot!
December 23, 2008 4:51:12 PM

ummmmm, having your mobo model MIGHT help a little with figuring that out......
a c 80 } Memory
a c 234 V Motherboard
December 23, 2008 4:52:41 PM

Set DRAM Timing to Manual. Then you'll be able to modify your settings.
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December 23, 2008 5:04:39 PM

@daft: I mentioned the model in the thread title: ga-p35-ds4 rev. 2.0
@ghislaing: I don't have such an option... I've looked in all BIOS menus... nothing related to timings... in the manual, for example, there is a screenshot with the option "High Speed DRAM DLL Settings", present in the section "MB Intelligent Tweaker (M.I.T.)". But it does not appear on my PC...
December 23, 2008 5:28:36 PM

then you might need to do a bios update.
December 23, 2008 5:31:04 PM

when you first enter BIOS, press Ctrl+F1, Then enter M.I.T screen, you should now have Manual settings for memory timings.
(Atleast i have, and i have the GA-P35C-DSR3 motherboard from Gigabyte)
December 23, 2008 5:32:36 PM

On my Gigabyte ga-p35-ds3l you have to press ctrl+F1 to access more advanced bios settings. I don't know if yours would be the same or not. Check your manual.
December 23, 2008 5:35:48 PM

thats true, i haven't used a gigabyte for a while, but i forgot about the ctrl+f1 mode which unlocks all settings in the bios for your pleasure. this is true for every gigabyte mobo that i have ever worked with
December 23, 2008 6:08:58 PM

Yes!! CTRL+F1 did the trick! :) )
I now have access to the timing values and was able to set them to 4-4-4-12. I also see another group of values - "Advance Timing Control" - containing 7 items, like "ACT to ACT delay" (value=3), or "Rank Write" (value=3).
Is it enough to change the CAS, RAS and tRAS values (4-4-4-12) or these other 7 items can changed too?

thanks a lot for your answers so far! :) 
December 23, 2008 6:14:24 PM

ok, i would suggest not to to touch those unless you have deep understanding of what your ram can do. but the cas, ras, and tras values are fine. congrats on the successful tightening though
December 23, 2008 6:17:53 PM

True... I'll do a bit of research on those before going any further :)  Thank you very much guys for helping out so quickly! :) ) (CTRL+F1 -> mental note) :) )

All the best to you,
stardust007
!