Graphics Card Questoin [ATI Mobility Radeon HD 6370]

[synth]

I've noticed this for quite a while now and just didnt really paid much attention to it, but the first time I ran dxdiag when I got this laptop a while back, I noticed that the Memory on my GFX card is at 2GB when this card should only be 1GB. Heres the screenie of my dxdiag:

And here's a screenie from Speccy again:

So, what do you think? Thanks in advance mate.

Here's a screen shot of my mobo spec.

Spec Summary:

Spec Mobo:

Thanks in advance guys!

 

[stormy13]

This should help explain it,

http://www.sevenforums.com/tutorials/89278-video-memory-virtualization-brief-guide.html