Add-in card definition
Add-in card means a removable device that can be installed in a computer peripheral component interconnect (PCI) or other slot. Add-in card does not include hard-disks, system memory, or removable devices that are intended to operate outside of a computer chassis, or other components that are listed in Table V-8. It also does not include cards, such as riser cards, that split, or physically extend, or convert a slot type a motherboard slot.