If you right click on your desktop and click on Properties at the bottom a Screen pops up - CLick on the last tab called .... Settings - On NT I think you click on display type and there will be a whole box tellling you what your card is about - on 9X/Me there is a advanced tab at the bottom of the setings tab - click on that and then click on adaptor type - If its installed it should show you the amount of Ram your card had