post beep code

I purchased this motherboard used from Ebay with processors and heatsinks already installed. No memory. There is no video output passed through to the monitor. The board powers up, the fans spin (including the video card) and a melody plays on the speaker. After a few seconds the speaker sounds...

Hello, I heard that the motherboard of any PC will always give an audible Beep Code if a failure has occurred in the POST process. I also heard that for Laptops, the POST Beep Code would be through the caps lock light indicator instead. In my case, my laptop doesn't have a caps lock light...