X.M.P (Extreme memory profile) crashing system.

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G9xftw

G9xftw

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Sep 3, 2015
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I have 4gb x 4 ,16gb Corsair Vengeance ram. Now I have had it for 4yrs or so. On my current mobo I believe it ran easily at its 1600mhz. But lately I had some issues with my whole system so I was inspecting my bios where I noticed the frequency was changed to 1334mhz. Now I hate this shitty bios of my Gigabyte Ga-970A-DS3P. It seems in order to run it a 1600mhz I need to enable XMP, and the options are just too limited. In the drop-down list it has just "Disable" and "X.M.P 1".
I had to set it to XMP1 to get the memory freuquency to 1600mhz.. There is a specific field talking about "Multiplier" after changing to XMP1 it goes from 6.67 to 8.0.

My PC previously also ran at 1600mhz on the same board, but now for some reason I cant, the whole sytem crashes after boot or wont boot at all. I even once got a bios corruption message and the 2nd bios was setup and booted up with default settings later.

I would like to know how to get to run given RAM at 1600mhz. Its annoying me.
 
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13thmonkey

13thmonkey

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Jan 10, 2006
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There are three elements that all need to be capable of running 1600, they can all degrade over time.

1. The RAM
2. The Mobo
3. The memory controller (where-ever that happens to sit).

Running 4 sticks of RAM puts more pressure on the latter 2 (the 3rd especially).

So we need to find out what's causing the problem.
 
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scout_03

scout_03

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Feb 18, 2010
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use cpu-z on spd tab and take note of them for the jedec specs that run at max speed then in bios put memory settings to manual and apply those jedec settings and see if system will run at 1600 you could check the applyed settings in cpu-z memory tab for it .
 
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G9xftw

G9xftw

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Sep 3, 2015
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The mobo is still in warranty, just bought in February. The memory controller sits in the CPU I believe, hence the co-relation that high cpu frequency means bringing down the ram frequency a little to adjust.

My pc is booting now and is stable at 1334mhz. XMP is off. The thing is with XMP on at 1600mhz, the pc wont boot for the most part or crash, the same happens if I manually set 1600mhz with XMP off. Its highly strange because I remember well my RAM used to run at 1600 no probs before on same motherboard.

Alot of problems have started in my pc ever since I plugged in my friends HDD running windows 7 x64, I mounted his HDD through windows and accessed the file system. I dont know what strange voddo magic took place but ever since then I have been having random system BSOD crash and BIOS failures and corruption even after formatting my boot SSD and installing fresh windows. Right now the system seems stable for use, but it concerns me because I dont know why all this is happening.

 
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