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change ram timings

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June 12, 2014 6:46:23 AM

Hi i need some help on how to change the ram timings in bios on the sabertooth fx990 r2.0 i've already changed some ram timings but not sure if i've done it right so here goes,
in the boxes were it says auto ive changed it from 9 to 10 (ras to cas) and ras active from 24 to 27 changed command timing 1t to 2t and i think ras to cas delay to 10 not if its correct or i need to do something else the ram is corsair vengeance 1866mhz 9-10-9-27 thanks.

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a c 1976 } Memory
June 12, 2014 7:24:48 AM

Sounds like you've got it can check w/ CPU-Z in the memory tab, should show the freq as 933 (take that (true freq x 2 to get the effective of 1866) and then ensure timings going down are 9-10-9-27
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June 12, 2014 8:07:36 AM

Tradesman1 said:
Sounds like you've got it can check w/ CPU-Z in the memory tab, should show the freq as 933 (take that (true freq x 2 to get the effective of 1866) and then ensure timings going down are 9-10-9-27


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June 12, 2014 8:11:11 AM

Hi thanks for the reply but pc still rebooted after 3 hrs timings are showing up as described but not sure about the cpu z and 933 tho
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a c 1976 } Memory
June 12, 2014 5:15:47 PM

Check CPU-Z (free downloadable program) also go into BIOS and raise the CPU/NB voltage to 1.25
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June 13, 2014 2:21:03 AM

Tradesman1 said:
Check CPU-Z (free downloadable program) also go into BIOS and raise the CPU/NB voltage to 1.25


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June 13, 2014 2:22:45 AM

Hi in bios dram voltage on auto reads like this 1.478v i change it to 1.5 which was wrong because is went back on auto so should i change it to 1.500v and will try that program thanks
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June 13, 2014 2:58:48 AM

Tradesman1 said:
Check CPU-Z (free downloadable program) also go into BIOS and raise the CPU/NB voltage to 1.25


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June 13, 2014 3:02:32 AM

Hi I've downloaded cup-z and dram frequency is 936.5 going up to 940.0 so will i need to change that?
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a c 1976 } Memory
June 13, 2014 9:03:51 AM

You're right there at 1866 so should be good
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June 13, 2014 9:49:44 AM

Tradesman1 said:
You're right there at 1866 so should be good


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June 13, 2014 9:50:59 AM

Pc still rebooted so I've ordered a new psu thanks
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a c 1976 } Memory
June 13, 2014 4:18:14 PM

Try raising the DRAM voltage to 1.575
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June 14, 2014 7:38:03 AM

Hi i have installed a new psu because i was getting the event id 41 critical error which rebooted the pc so i disabled the automatic restart function to stop the pc from rebooting which worked but still get the event log error every hr maybe i should of reset cmos first ?
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a c 1976 } Memory
June 14, 2014 3:10:37 PM

Give it a try
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a b } Memory
June 14, 2014 5:19:39 PM

I recently got a 2x8GB kit of Vengeance Pro sticks and I was pulling my hair out for a while. They run perfect and stable at 9-10-9-26 @ 1866MHz on my PC. I kept making sure that the 26 which was auto in XMP Profile1 was 27 and I couldn't get a boot at 1866MHz to save my life.
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