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MOBO only recognises 4gb out of 8gb

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Last response: in Memory
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July 13, 2012 7:21:58 PM

Hi I have look around at other threads and nothing has helped so I thought I should ask. I recently just installed 2x http://gskill.com/products.php?index=355 [F3-12800CL9D-8GBXL 2x4GB] when I go into BIOS it ownly shows 4gb as usable, I tried changing to D.O.C.P and X.M.P but both had no effect. Resource monitor shows 4gb useable 4gb reserved.

Here are some CPU-z shots to help you guys out : http://imgur.com/a/3sFLF

really appreciate any help I can get thanks.
July 13, 2012 8:18:18 PM

Are you running a 64bit operating system?
July 13, 2012 8:36:15 PM

Yes sorry forgot to mention I'm on Windows 7 Ultimate 64bit
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July 15, 2012 12:25:19 PM

maybe ur mobo can only handle 4gb of ddr3 ram
July 15, 2012 12:49:17 PM

skitz9417 said:
maybe ur mobo can only handle 4gb of ddr3 ram


Well Manual showed set ups of upto 8GB of DDR3 even online crucial's website offers set-up of up to 16gb which would be compatible with the mobo
March 30, 2013 9:00:36 PM

Try plugging your RAM modules into different slots. And even different combinations.

Try and plug in each module individually and see if the system can bootup and recognize the full 4gb from each stick.


I feel it has been said but seriously read the manual carefully. Sometimes they are very very specific for memory best practices. Perhaps the RAM brand is not recommended for the motherboard. Unlikely but still possible.
March 30, 2013 9:00:57 PM

Wow old topic... how did I have this on my feed?!?
!