ISA background from TechWeb,
ISA - Industry Standard Architecture. Pronounced "eye-suh."
An expansion bus formerly commonly used in PCs (but since phased-out in favor
of PCI). It accepts plug-in boards that control the sound, video display and
Originally called the "AT bus," it was first used in the IBM AT, extending the
8-bit bus to 16 bits.
RoBue (Roland Buehler) of the Stuttgart ABBUC Regional Group has produced
project plans for an ISA-Bus Interface for Atari 800XL/130XE Computer, ARGS.
Carsten Strotmann has released sourcecode showing how to access a Hercules
video card with the ISA-Bus Interface.