This HCL(Hardware Compatibilty List) is for the Asus P4P800-E Deluxe, might be close to what you have:
Check out the other hardware in your system:
Not sure it is your hardware that is the problem, you might have a bad cd you are installing from.
When i try to install it, all it does is sit at a black screen with the cursor flashing.
This is all you see? You do not get to the installation screen? If you don't get past a cursor, and no installation screen, then it is probably a bad cd. Did you download it yourself and burn it as an "image file"?
Hope this helps you in moving in the right direction.