I looked at my advanced display settings and it says i have a total of 3775 MB of total available graphics memory. My Radeon HD 6770 has 1024 MB of dedicated memory, and it says i have 2751 MB of shared system memory. What does this mean? Is my graphics card using my system memory when its running low on its own? Is shared system memory supposed to be as high as mine is? Is the graphics card using 2751 MB of my memory all the time? Thanks for any ansers