Hello. I'm new here. Gotta ask something. Is it weird if my dxdiag showing that my radeon HD 7560D( AMD a8 5600k APU) have approx total memory of 85MB? My ram is 8GB DDR3 and I'm on windows 7 btw. Howerver if im on windows 8 it shows that the memory is 4000 + . Why is that? Thanks for your help!