MSI 870S-G46 8GB Ram Installed/Detected 4GB Usable W7U-x64

Hey folks,
So I have a rather iritating issue. I just upgraded to a MSI 870S-G46 and I have been having issues with my ram. I have 2 4GB DDR3 "1600mhz" sticks made by Kingston.
I AM running Windows 7 x64, infact I have done a clean install periodically through testing on my secondary drive. Same results. A pic just to make the point. (Alt+printscreen ftw!)
The bios has been updated to latest. Via usb. Set to optimum and poked with too. (Don't see any force remap switch... so I assume this board is supposed to always do remapping...)
I have tried both reseating(XD Been seated a good 4 times now in all for an identical result)...
AND another cpu(even reseated said other cpu once). No change.
Even tried with the stock heatsink that isn't as firm on as mine clamps down.
... And a fresh install several times throughout this process on aforementioned secondary drive.
Both ram sticks are good, have tried both individually in slot 1, and both combinations of slot 1 and 2. (This board has slot 1/2 and 3/4 paired with same color.)
@.@... ... ... Elp?

this recently happened to me, i updated my bios because i kept getting IRQL errors. the errors have stopped but now i have only 4gb usable from 8gb. (g.skill 1600 ram) slot 1 and slot 2.
when i put in slot 1 and slot 4 it read all 8gb but its very unstable. the IRQL happens 5 minutes in and boot takes a long time (other BSOD too). i tried lowering the speed but still no good.
im on bios version h.C0, updated thru live update.

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Dear KarabeLa
Quote from: KarabeLa on 18-November-13, 04:10:39
I solved the problem
Update Firmware
Please be more specific, what do you mean by Firmware? EC Firmware or BIOS update? Please provide some links to this Firmware, that other may use something from your information.
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Let me start off by saying that I'm not very good with computers. At all. I know a little bit about them, but I am by no means an expert. That said, I have 8GB of RAM installed on my motherboard, spread out across 4 sticks. However, upon looking at my BIOS and my Windows Resource Monitor, it declares that I only have 4GB of RAM installed and usable. This is what I know so far:
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Quote from: Jack on 28-August-11, 01:11:56
What is your current UEFI/BIOS Version?
The usual cause of such problems is (apart from bad memory slots or a defect of the processor's memory controller) a contact problem between the boards CPU Socket contact pins and the CPU's contact pads. Broke or bent pins are one explanation, in other instances a heatsink that is fastened to tight can also cause such issues.
I'll have the BIOS version up in a moment, but I'll see about diagnosing if one of those problems might just be what is my problem. Any tips on doing that?
Also, BIOS version is up in the OP now.

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Hi,
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erico
Message Edited by erico on 10-27-2009 06:09 PM
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Quote from: rocka120 on 03-July-11, 08:54:55
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Quote from: Svet on 03-July-11, 08:10:17
have you tried to rum them at 1333MHz with 2T before try both of them?

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Ok, this is convoluted but bear with me.
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http://us.msi.com/index.php?func=prodmbspec&maincat_no=1&cat2_no=171&cat3_no=&prod_no=2019#menu
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Thank you both for your input. I mistakenly thought this was run by MSI. Feel stupid. But since you were so kind to respond, I'll post my full system specs as you suggested:
AMD Athlon II X4 635 CPU
MSI 870-G45 AM3 Motherboard
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Dont buy the wrong RAM 2 x (2x2GB) for 8GB use !
Charges can be different.
Thats the right way. Buy 8GB kits only guys!!!(for every P55 system)->
example:
http://geizhals.at/deutschland/a486589.html
http://geizhals.at/deutschland/a486985.html
http://geizhals.at/deutschland/a454453.html
http://geizhals.at/deutschland/a453903.html
Bios shows 4GB(2) instead 8(4)GB:
Test every module with memtest 4.0 on errors http://www.memtest.org/ 2hours !!!
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.173) , now put all 4 modules in the RAM bank, cmosclear.
merry xmas

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MSI 870S-G46 8GB Ram Installed/Detected 4GB Usable W7U-x64

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