Definitions for "ISA Bus"
Industry Standard Architecture Bus. The original 8 or 16 bit bus of the IBM PC.
Industry Standard Architecture – a bus standard for PCs introduced in 1984 that extended the XT bus architecture to 16 bits. It is designed to connect peripheral cards to the motherboard. It is also referred to as the AT bus.
Industry Standard Architecture, an expansion bus used in most IBM-compatible PCs. Also known as the AT bus