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AMD FX-8150; GA-890FXA-UD5;16 GB corsair vengeance CMZ8GX3M2A1866C9

Last response: in Motherboards
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December 8, 2011 1:31:44 AM

Recently I upgraded to a AMD FX-8150 previously I installed 16 GB corsair vengeance CMZ8GX3M2A1866C9. My motherboard is the gigabyte GA-890FXA-UD5 reversion 3.1 bios version FEC.
Prior to this Cpu upgrade my processor was AMD phenom 1090t black addition with the same memory installed.
Before the upgrade I can operate this ram at 1866 MHz over clocked with the 1090 T. (very unstable of course the base clock was 233 x8.0) windows XP 64 bit addition could load but not stay running for very;
long lockups or a blue screen would occur.
Now since I have upgraded cpu I can start up My system with clocked to 1866 9.33x200 MHz this is surprising.
After a few tests I was able start up with just one stick of 4 gigabyte ram inserted at the proper timings and full clocks speed.
As time went by I was able to populate another slot with the memory at the correct speed.
Since this happened I assumed I had the timings proper then I installed the rest of the memory it would not fire.
I've tried every gimmick I could think of.

Any suggestions from voltage timing latency voltages I could use to tame this wild horse


more pertinent information my power supplies a 780 W, I have six 250 gig a western digital 16 mb buffer all raid0, my graphics card is a GV-R6850C-1GD AMD radiata HD 6850 1GB G. DDR 5.
February 19, 2012 11:44:03 PM

Hi I just upgraded to the same CPU but with an ASRock 990FX Extreme 4 once I set all my timings to the correct 9-10-9-27 it would post but be unstable as hell lock up BSOD and what not but would pas memtest 100%...

I used 2 CMZ8GX3M2A1866C9 kits total of 16GB it would be pissed off if i tried 2 sticks and would not post at all...

Is what i did was bump up my voltage from 1.5 stock to 1.55 and this solved all my problems..

Try it at stock times 9-10-9-27 @ 1.55 or 1.60 volts see what that does for ya...
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February 20, 2012 1:21:55 PM

will go try at home after work
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