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Problem with memory ! HELP !

post #1 of 10
Thread Starter 
So, i have some 6gb ddr3 ram they are 1333mhz from factory, they are standard edition, Corsair Value Ram.

I've overclocked the cpu at 181x21 and the ram i put on 1480mhz

So basically it's a very small oc on ram, from 1333 to 1480mhz
I save the settings and restart, i entered the bios for a quick check and i saw that the bios put my ram on 1.7v by default. If i start the windows with the 1.7 voltage, i see only 2gb usable from 6gb.

And if i put the ram on 1333mhz (the stock) it's all ok, the bios sets the ram voltage to 1.5v Only with this small overclock to 1480mhz the bios sets the ram to 1.7v

What is the cause ? Too much overclock taken by the ram ?
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post #2 of 10
Yes, put it back to 1333MHz and enjoy!
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post #3 of 10
Thread Starter 
But i need overclock to my cpu, and the memory controller is integrated in the cpu, so overclock to cpu means overclock to memory.
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post #4 of 10
There is a way to do it, but I don't recommend it, so I'm sure there will be others to help you in overclocking your memory.

There are plenty of people here that can help you do it safely.

Good luck.
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post #5 of 10
Thread Starter 
Now this is really creepy. In the bios the ram voltage shows as 1.7v and when i enter in windows 7, the ram is all ok, 6gb of 6gb. CPUZ and AIDA64 are telling that the ram is on 1.5v

Very strange !!! Can anyone give me a good program to monitor ram voltage ?
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post #6 of 10
As far as I know CPUZ doesn't show you current (real time), memory voltage. The only place it shows DIMM voltage is in the SPD tables, and thats not the actual voltage.

AIDA64 should tell you the actual DIMM voltage.
You may be looking in the wrong spot in AIDA64?

Could you post a screen shot, to verify?

Edit:
BTW, how can you run 3x2Gb's of ram on a P55 board???

If no one else pops in to help you, I can help you to OC your ram within specs.
I'll need to know the exact specs of your ram! Stock timings, and voltage.

Edit #2
Can you tell me which ram you have, on this page?
http://www.newegg.com/Product/Produc...1333&x=10&y=30
Edited by Inteller - 8/1/11 at 6:12pm
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post #7 of 10
Thread Starter 
This ram: http://www.newegg.com/Product/Produc...82E16820145278

Well, i can run 6gb on a p55 board, it is in dual channel, i think 4gb will run in dual channel and 2 gb are single.

And now i've put the ram voltage in bios at 1.55v with 1443mhz from 1333mhz. And it runs ok so far.
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post #8 of 10
You can raise your timings to 9-10-9-26
Then raise your DIMM voltage to 1.6v to 1.65v

Then you can try to get a little more out of it.
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Game Killer
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post #9 of 10
Thread Starter 
Right now is 1.56v and 9-9-9-24 and 1448mhz

It's ok ? I didn't saw any problems now.
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Razer BlackWidow Ultimate 2014 [green switches] Enermax Revolution 87+ 750W and APC Back-UPS 950VA Phanteks Evolv Atx Tempered Glass Black + ATX 2... Razer Mamba 2015 Tournament Edition 
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post #10 of 10
Ya, thats great, and very nice overclock!
Check it for stability, and if you find it unstable, increase the voltage to 1.60v

Since it's rated for higher voltage, you'd still be safe!

Nice job!
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Game Killer
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CPUMotherboardGraphicsRAM
Intel i7 990 extreme @ 4.2GHz ASRock X58 Extreme MSI GTX-580 lightning G.Skill Ripjaws X DDR3-2000 9-9-9-24 
Hard DriveHard DriveOptical DriveCooling
Intel 510 250Gb SSD WD RE4 250Gb x 4 Raid-0 Plextor DVR 880SA VenomousX 
OSKeyboardPowerCase
W7 Razor Lycosa PC power & cooling 950 CM ATCS-840 
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