d865gsa agp?

Question

Which Graphic card of nvidia Geforce 6 series can be used in D865gsa mother board and more thing do D865gsa board have support of DDR 2 ?

Answer 1

That motherboard has 8X AGP and supports only ddr RAM.
http://www.intel.com/products/motherboard/D865GSA/
You can use any of the Geforce 6200, 6600 and 6800 series that have AGP interface. But they are pretty outdated, especially on the video side. Consider these options:
Cheap - 7300GS or 7300GT AGP
Better - 7600GS AGP
Fast - ATI X1950 Pro AGP or 7950GT AGP.