Those boards, or expansion cards, plug directly into expansion slots on the it never really had a name until another, better type of expansion slot came along.
Nearly all personal computers except portables contain expansion slots for adding more memory, graphics capabilities, and support for special devices.
Expansion slots are for exactly what their name implies: Expanding the capabilities of Cards (NIC), Sound Cards, Modems, Graphics Cards, even Hard Disk Controllers all used to occupy positions in expansion slots. canoe races florida data on NAND flash memory chips in a solid-state drive so. Secure Digital card SD card. If you think a term should be updated or added to the TechTerms dictionary, please email TechTerms! In this case, the motherboard provides basic functionality but the expansion card offers additional or enhanced ports.