Can't install 2 pieces of RAM in this system...yet

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Biomirth

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Sep 24, 2014
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Heyo, trying to install the full 8gb RAM into this build: http://pcpartpicker.com/p/FN3pD3

However, the system will only complete booting with 1 RAM installed (both RAM work individually). I've tried various combinations of slots (other than the recommended, ofc) but no joy yet. With both RAM installed the system will boot, the RAM memOK LED will stay red and then the system boots again.

I'm thinking I need to change the BIOS settings to get the RAM to work and turn on the XMP profile to profile one. Should I try setting the manual XMP switch on the board as well? I tried that once to no effect other than the boot taking slightly longer.

Also, I haven't yet had time to install driver updates at all and perhaps that'll just take care of it. At least it runs fine with 4GB installed. Windows 8.1 installed very smoothly (my god this thing is fast).

Any wisdom would be appreciated. I'll be updating all drivers tonight and will post results.
 
Solution
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Most RAM with higher frequency and higher voltage is the same chips that you would find in a kit rated at 1600 Mhz and 1.5 volts .

Its effectively OCed by raising the voltage , raising the timings and then setting the frequency high .
I have not had a lot of luck getting RAM kits like this to work well . Actually none of the 4 kits that I have tried would instantly run at their rated frequency . Three of them never ran that fast under any setting I tried

In this case the voltage load of two sticks on the memory controller is probably causing your issue .

Head to BIOS with a stick in slot one . Set an XMP profile for 1333 MHz or 1600 Mhz . Whichever has the highest frequency for a maximum of 1.5 volts .
Then shut down and add the...
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jitpublisher

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Have you entered the BIOS to make sure the voltage of 1.65 is correct? Thats above normal voltage for DDR3 memory, so it could be possible its set too low. (People will argue with me on this, but I will NOT buy DDR3 that needs over 1.5 volts to run. In my opinion, if it needs that much voltage to run, its not quality memory)
 
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Outlander_04

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Nov 18, 2008
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Most RAM with higher frequency and higher voltage is the same chips that you would find in a kit rated at 1600 Mhz and 1.5 volts .

Its effectively OCed by raising the voltage , raising the timings and then setting the frequency high .
I have not had a lot of luck getting RAM kits like this to work well . Actually none of the 4 kits that I have tried would instantly run at their rated frequency . Three of them never ran that fast under any setting I tried

In this case the voltage load of two sticks on the memory controller is probably causing your issue .

Head to BIOS with a stick in slot one . Set an XMP profile for 1333 MHz or 1600 Mhz . Whichever has the highest frequency for a maximum of 1.5 volts .
Then shut down and add the second stick in slot 3

It is not a coincidence they include a profile for the much lower voltage
 
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Biomirth

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Sep 24, 2014
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Still not working with both 4GB RAM installed. I've learned my way around the BIOS though.

I can manually set the RAM voltage and/or the frequency, but no matter what I try the system will not boot with both RAM installed. I have one more configuration to try, but if that doesn't work I'll be getting new RAM and hopefully returning this.
 
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Biomirth

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Thanks Outlander_04. I guess you're recommending that memory? I've registered at G.skill to see if they have any advice first, but yes, barring that I will be getting different RAM. Learned a lot so far with this. Just enough really.
 
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Biomirth

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Interesting. I would think the chances of the computer running fine with bent pins, but having only cpu memory controller issues would be mightily small. I will check though before I replace. Thanks

 
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Biomirth

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I reseated the CPU and checked carefully for bent pins. The CPU receptacle looks perfect. Reinstall went smoothly. Unfortunately I don't have any other DDR3 RAM to test with, so I'm at a bit of a sticking point: To try new RAM (5.0v) or to try to return the motherboard.

I've posted this issue on the g.skill RAM forums and gotten a similar response, so at least I feel more confident that the issue is probably narrowed down at this point to voltage management and/or the RAM sockets on the motherboard. Thanks for your help! I will post results depending on what I decide. I'm leaning toward replacing the motherboard despite there being no obvious defects (or testable ones without some sort of hardware lab).

Here is the G.skill page with the conversation on that end: http://www.gskill.us/forum/showthread.php?p=75721#post75721

I should probably take this up with Asus as well..hmm
 
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