Looking at a Ryzen 7 1700 build and see a lot of motherboards don't have a onboard video chipset but have HMDI and DVI ports. how does the graphics work? the CPU?
https://www.newegg.com/Product/Product.aspx?Item=N82E16813144031&Tpk=N82E16813144031
https://www.newegg.com/Product/Product.aspx?Item=N82E16813144031&Tpk=N82E16813144031