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VRAM Problem

Last response: in Graphics & Displays
August 15, 2012 10:27:48 AM

Hello I have alienware m17x r2 i7 quad i940xm with mobility radeon 5870 crossfire(2X 1GB).When i go to dxdiag it says i have only 712 approx total memory when i shall have atleast 2 GB and when i go to Can i run it t check if i can runsome games and i search for ARMA 2 it says that i cant play it because my Vram is below recommended.I run Arma But even on low Graphics i can play it only on 25-40 fps.I have thedell drivers frmy alienware. in 3dmark vantage i score 19000 which is ormal for my pc. Please help f there is a wa t increase my approx vram.

More about : vram problem

August 15, 2012 10:53:11 AM

use gpu-z and you will see how much vram you really have. dx is probably showing bogus number like currently used vram or so. anyway i believe that cf is like sli so that in case of cf and 2 cards with 1gb vram only 1gb vram is actually used, other 1gb (prob on secondary card) is left unused
a b U Graphics card
August 15, 2012 4:23:58 PM

You can try disabling CF just in case. If you get normal results then, it's probably some sort of driver issue.