PC Expansion buses
ISA, Micro Channel, and EISA boards for PC-compatible systems.
Choose a computer, platform, or interface
| Computer, platform, or interface | Introduced | Known as | Products |
|---|---|---|---|
| EISA expansion boards Extended ISA expansion boards for EISA systems. EISA slots can accept many ISA cards, but EISA cards require the extended connector and an EISA host. | 1988 | Extended Industry Standard Architecture, EISA | 0 |
| ISA expansion boards ISA expansion boards for PC systems, including original 8-bit PC/XT cards and later 16-bit AT cards. Check each listing for bus width and software requirements. | 1981 | Industry Standard Architecture, 8-bit ISA, 16-bit ISA | 8 |
| Micro Channel expansion boards Micro Channel expansion boards for IBM PS/2 and other MCA systems. MCA is electrically and mechanically distinct from ISA and EISA. | 1987 | Micro Channel, MCA | 1 |