Sabertooth 990FX r2.0 not recognizing memory correctly.

[purplegrey]

I recently upgraded my motherboard and CPU and am slowly upgrading the rest of the components as well. However I ran into a problem. My new Sabertooth 990FX with a FX8350 sees all my RAM but incorrectly. Of my 12GB installed the board sees 6GB. I have G.Skill F3-10600CL8D-4GBHK and F3-10600CL8D-8GBHK from my old system 2x2GB and 2x4GB). On my old system this worked fine, but on the 990FX it sees it as F3-10600CL8D-2GBHK and F3-10600CL8D-4GBHK. So it is seeing the correct make and series but incorrect capacity. I have flashed to the latest BIOS and reseated the RAM in multiple configurations always with the same results. I intend to upgrade my RAM but it'd be nice to have my RAM seen correctly until I can get my new set.

 

[Tradesman1]

SOunds like a channel isn't being picked up correctly (what CPU cooler - they often cause this if too tight in a corner or side, it throws the CPU out of level)

 

[purplegrey]

I don't recall the model, it's a Cooler Master I used on my Phenom x4 955. I hadn't even thought about it when I used it, I'll try swapping to the stock cooler when I get home from work and see if that makes a difference. Thanks.

 

[nukemaster]

Memory compatibility can be a pain sometimes.

With a cpu that uses pins and not pads, I would have to guess it is not a angle issue.

 

[Tradesman1]

You wouldn't think so but this is very common on the AMD rigs, they have weaker MCs to begin with and if the pins don't have full contact, well .............

 

[nukemaster]

I was given a system to look at and they never even locked the lever down. Guess it was luck the thing even worked.

 

[purplegrey]

I tried the stock cooler and reseated the CPU, but nothing changed.

 

[naturesninja]

Try using the 2104 or the 2005 version BIOS. Make sure to save any setting/overclocking profiles first. http://www.asus.com/Motherboards/SABERTOOTH_990FX_R20/HelpDesk_Download/

 

[purplegrey]

Gave them both a try, same results.