Most experts agree that, although they are improving, on-board graphics adapters are actually inferior to stand alone video cards. This is because the on-board version uses too much memory and often cannot cope with the power needed for high end games and video editing.
No matter what motherboard you have, it does not have onboard graphics. Only certain processors have built-in graphics.
Most motherboards with onboard graphics have a slot for an upgrade card. The answer for yours will depend on the specific model, but it is very likely that you can.
It has onboard graphics ATI Radeon Xpress 200M.
Most motherboards will allow you to use both the onboard graphics as well as an add-in card at the same time. Even if they do not, an add-in card simply disables the onboard one.
it is 128mb
Yes
You need to check out BIOS settings. It must be there, somewhere it onboard devices.
onboard
An integrated video card is located on the motherboard itself and cannot be replaced. You can add a graphics card to one of the motherboard's slots though. It will then take over and the onboard graphics will not be used. To avoid any conflicts, you should disable the onboard graphics when adding a dedicated graphics card.
Graphics cards are very cheap these days, even a $50 card would be much better than using the onboard graphics.
Unless you are using onboard (Motherboard) graphics they are totally different
PCIe