What is a motherboard? What is a platform controller hub (pch)? This is an animated video explaining what a computer motherboard is and the motherboard components. The motherboard is the main component of a computer. It's basically a large circuit board that’s fit into a computer’s case and its where all the computer components connect to. Motherboards I recommend below (affiliates) For Intel CPUs https://amzn.to/2ZOIYYH https://amzn.to/2LnmuZw For AMD CPUs https://amzn.to/2NRyc1o I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.