hi......i am using hp g6 1139tx notebook. my system config is intel i.5 2.4 gz, 4 gb ddr3 ram,1gb ddr3 ati radeon 6470m video card. but while using flight simulator x, in the setting option of the game under graphics tab i only fing one graphics card to select i,e intel hd graphics family . the ati radeon doesnot show up there.