KnowraExpansion cardLinked fromLinked fromThe 4 pages that link to Expansion card, each with the reason it gives.All 4Broader topic 2Narrower topic 2IBM Personal ComputerBroader topic: Expansion cards gave 5150 owners ways to add memory, display, and communications hardware.MotherboardBroader topic: Expansion slots let cards add capabilities such as graphics, networking, or sound.Peripheral Component InterconnectNarrower topic: PCI devices were commonly supplied as cards installed in motherboard slots.Industry Standard ArchitectureNarrower topic: ISA is the interface that lets these boards connect to the system.