[newbie] rpm problem

[outofcontrol]

Hi there all I have a prob: 1 How do i install a src.rpm in MDK 7.2? This is a file i need to hopefully make my ethernet card be recognized.I had to download thru windows and i have copied it to a cd but im not sure what to do next. Im new to linux and i might just be missing something obvious but i hope someone can help. TIA Simon