theersink

Try forcing opengl, worked for me. Details in this thread- http://forum.kerbalspaceprogram.com/threads/84203-Less-memory-usage-by-using-OpenGL?highlight=force+opengl Also read up in here: http://forum.kerbalspaceprogram.com/threads/28352-The-Drawing-Board-A-library-of-tutorials-and-other-useful-information I am new to the game but these forums provide almost every answer you need just have to dig a little.

Try starting here. Provides a pretty good step program for a basic comm sat relay network. http://forum.kerbalspaceprogram.com/threads/88879-Beginner-s-Notes-on-Remote-Tech-2-in-Career

They do. I had 4870s. If you'd like to check yourself I believe if you go into the Control center and click on software it will list an opengl driver.