Memory not running in duel channel mode, only 1.9GB out of 4GB usable.

NighthawkXL · Jan 31, 2015

I recently upgraded to a FX-8320 running on a MSI 990FX-GD80v2 motherboard. I came from a circa mid-2011 build on a low end Intel i3. Anyway my problem currently is that my memory (4GB (2x2) of G.SKILL F3-10666CL9S-2GBNQ) is not running in duel channel mode, nor is Windows recognizing the full installed amount of RAM. I'm running Windows 7 x64 Home Premium, this problem has been driving my crazy all day long any tips would be appreciated.

Archaic59 · Jan 31, 2015

That memory is single channel kit according to G.skill. I'm not memory expert so I don't know what else to tell you.

http://www.gskill.com/en/product/f3-10666cl9s-2gbnq-

Dany Garc · Jan 31, 2015

Are you sure you are using a 64 bit OS? Check that.

NighthawkXL · Jan 31, 2015

Archaic59 :

This same RAM was running on my other rig in duel channel mode without issue.

Dany Garc :

Yes, I am running 64-bit.

brispuss · Feb 1, 2015

Try swapping the two DIMM's.

Try slots 1 and 3 first, if not already done. Could try slots 2 and 4 if slots 1 and 3 don't seem to work.

Raise DRAM voltage a bit to 1.55 V in BIOS.

Rocking Durgesh · Feb 1, 2015

Disable integrated graphics. If you sheared 2 GB from 4 GB to the graphics then it will show 1.93-1.94 GB ram usable. If you don't have dedicated graphics card then share only 512 MB and most 1 GB to internal graphics, it is enough. ... All this things can be done in bios. ....

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Memory not running in duel channel mode, only 1.9GB out of 4GB usable.

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