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MrG1BZ

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Hey all, first post here. Sorry if it's similar to other posts but I'd like to segregate this thread since I believe it is a little unique.

 

I recently bought a whack load of high-end parts and built a pretty sweet gaming rig, and I'm also going to add to it. Here are the specs that matter.

 

ASUS Sabertooth 990FX R.2

AMD AM3+ 9590 4.7Ghz (x64 of course)

ASUS GTX 780ti DCU oc

Corsair Vengeance Pro 16G 1866Mhz (2x8, will be getting 1 more package of the same to have 32G)

Corsair H100i CPU cooler

Corsair Carbide Air 540

6x Corsair AF120 fans

 

My issue here is RAM. I know that it is not on the official compatibility list for the motherboard, however, previous builds using ASUS motherboards and Corsair RAM that I have previously built for myself or friends/family have also had RAM installed that is not on the compatibility list and everything seems to run fine.

 

The problem:

Random crashing during gameplay in BF4 and Titanfall, as well as in Windows 8.1. No BSOD and no "error" or "critical" in Event Viewer except for 41(63) which relates to an unexpected reboot of my system. (PS - legit store bought Windows 8.1 up-to-date)

 

What I've done to troubleshoot so far:

I downloaded Memtest's latest version on bootable USB and tested 1 stick of RAM at a time. I let the RAM test for at least 2 full rounds (over 2 hours) in the appropriate DIMM slot of the motherboard listed in the manual when only using 1 stick (for the purposes of this test only; normally I have both sticks in when the crashes occur.) Single RAM stick tests showed zero errors.

 

Afterwards, I decided to plug both RAM sticks in and run the test again and I immediately saw over 250 errors within seconds of running the test.

Link to image here

 

Some background:

The RAM I bought was 1866Mhz. When it was installed, it was recognized as 1333Mhz. So I used the UEFI Bios and in the AI Tweaking section, I changed the configuration of the RAM to DCOM (Intel XMP variant OC profile) and it automatically read at 1866 at 1.6v.

 

My main question, I guess, is this:

Should I return to the AI tweaker of my ASUS mobo and turn the DOCM OC profile off and leave it at 1333? Is this simply because the official compatibility list does not support the RAM I currently have installed?

 

I have spent a lot of time and money on this build and it looks like this is the only thing stopping me from running to par. However, I am still reminded that I have use non-compatible RAM in Gigabyte, ASUS, MSI and Intel boards in the past with no errors or compatibility issues.

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I would try them at their rated speed and voltage. If ok then it must be your bios settings., voltages, timings, etc...

 

So "rated" as in - on the RAM stick themselves they are listed as 1866Mhz at 9-9-9-21 rather than 1866Mhz at 11-11-11-28, or the 1333Mhz they were defaulted to when I first installed them in my mobo?

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Yes! Whats listed on the sticks.... however looser timings may provide a better boot up scenario for starters. Actually if you have not read this... Load optimized defaults or what ever your board calls them saave reboot ans see where it goes...
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No... like I wrote in the main post, I did perform a memtest86+ on each stick separately and found no errors on them while testing individually, but when I tested them together I got errors. Hence the linked image in the first post.

 

How is bumping my CPU voltage going to help with my RAM? Are you new to building or testing computers?

 

..."LOLZ"

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You don't have to be a mind reader to read what I wrote in the original post :)

 

Thanks, I'll keep trying.

 

What I would do if it were me is to check for and install the latest bios. Then would go into bios and manually set the memory timing exactly how their listed on the sticks including dram voltage. You may need to add a little MCH core voltage or what ever ASUS calls it and a little more dram voltage. One question I have is why didn't you just go with the corsair dominator platinum memory. Their on the QVL list?

 

BWT look like a very nice board there.

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