Use motherboard expansion slots
How to use motherboard expansion slots Part of Professor Messer's Free CompTIA A+ Certification Training Course. Professor Messer's Free CompTIA A+ Certification Training Course. The expansion slot bus of a PC allows for modularity and expansion, but the large number of expansion types can be confusing. In this module, we'll detail some of the most popular expansion types and show you how to make the most of the slots that exist on your PC motherboard.
