XMP Profiles causing system instability

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dwevans427

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Feb 4, 2016
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Im running an x99 Sabertooth mobo with a 5820k Intel processor. The ram is corsair 2133 MHz vengeance. Both XMP profiles cause system instability testing 16 gigs with ASUS stress testing software.

While attempting XMP2 which is supposed to result in a stable overclock of 2400 MHz, I thought I'd put in some manual values for voltages and the system agent. I ended up with system agent around 1.02v and memory as far as I am willing to push it; 1.5v. Still instabile.

Couple questions:
1. Is system agent tied into the RAM or just CPU
2. Should I just manually enter all the settings myself? And if so can someone direct me to a YouTube video to learn how?
 
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dudmont

dudmont

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Feb 23, 2015
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I'm not really going to get into your questions, cause I don't have good answers. I just know this, X99 has been having issues with ram. Many users report improvement with those issues, when they update their bios, to the newest. Early bios did not handle XMP well. If you haven't updated your bios, it might help your system. If you have, I'll leave you be.
 
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dwevans427

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Feb 4, 2016
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Corsair Vengeance LPX 16GB (4 x 4GB) DDR4 DRAM 2133MHz C13 memory kit for DDR4 Systems (CMK16GX4M4A2133C13) yeah I ran 8 x 4GB it was two packages. The first batch had bad memory in it and I had to to do a memtest86 scan and dive down into the second and sixth pass to figure out it was garbage… but the constant games crashing drove me to testing it. So I was sent two more packs and swapped em out until that memtest ran I think 8 passes all good.

and bios is up to date
 
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Tradesman1

Tradesman1

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Jun 5, 2013
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You probably have some instability from using two sets, the good thing is that they are even playing nice, try raising the DRAM voltage + 0.05 and see if that smooths things out. It's always best to buy the full amount of DRAM you want in a single package that way the DRAM has been tested to all play correctly to spec and also the XMP programming is what's need for 8 sticks, not 4
 
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