Dxdiag and video memory

alkimst

Distinguished
Oct 25, 2010
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18,510
I have an HD 6870 with 1GB RAM. Why does dxdiag say I have 2420MB (2.4GB) of memory. ASUS M4A88t-M/USBB3, 4GB GSkill DDR3 1600. Onboard video is supposed to be disabled. Any thoughts??? Could it be because of the DDR5 video RAm???