Q: i have no idea what king is in my comp, and don't bother asking what king it is my step brother built in from scratch, i just need to know if it is a ddr or ddr2
A: if you are using XP as the operating system you can check the dx diag click on start >run>type in ...dxdiag... and then when it opens there's a tab that says Display .click on that and there you'll see what kind of graphics card you have