too much voltage?/different brands of 2x1gig sticks issue

G

g1tigi

Limp Gawd
Joined
Jun 7, 2008
Messages
258
I recently bit on some of these because they were ridiculously cheap: http://www.newegg.com/Product/Product.aspx?Item=N82E16820145177
http://www.corsair.com/_datasheets/TWIN2X2048-6400C4DHX.pdf

the thing is, I have a pair of these in my system already
http://www.newegg.com/Product/Product.aspx?Item=N82E16820134066
http://www.valueram.com/datasheets/KHX6400D2LLK2_2G.pdf

My mobo is an MSI P965 platinum
http://www.msicomputer.com/product/p_spec.asp?model=p965_platinum

I read in some newegg reviews about the corsair memory that people were able to get their systems to POST with the RAM voltage at 2.0V not 2.1, so I figured I'd be OK to keep running my RAM at 800mhz, 2.0V and 4-4-4-12 like I have been for my kingston sticks. Unfortunately, the system won't post, and I've had to resort to lousy jedec/mobo standards of 667mhz, 5-6-6-15 timings and 1.9V. I'm curious, is this an issue of just different pairs of sticks on working together? Would I ruin my kingston RAM if I ran it at 2.1V? Thanks!
 
IMO 2.1v will degrade the life of your Kingston chips but by the time the voltage actually kills them you will have upgraded. I'm talking about 3+ years to cause this damage.

I have diff sets of ram also and one is fine with 1.8v and the others need 2.1v. I've had them both running at 2.1v for well over a year now and its rock solid. Both of them were even overclocked for a good 8 months too.

So yeah in my experience its not something I would worry about unless you plan on running this system for a long time.
 
I just tried fiddling with timings and voltages. The system wouldn't post with 2.1V, 4-4-4-12 and 800mhz. I have the system running now at 2.0V, 5-5-5-13 and 800mhz now and quickly gave it 30mins worth of (error-free) memtest.

Oh well...vista still decided to dock 0.1 off my memory subscore for the windows experience index...but don't really care about that so long as my l4d still runs smoothly ;)

not sure why the 2.1V test didn't work though...
 
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