Industry Standard Architecture (
ISA) is a
bus standard for [IBM compatibles]
? that extends the XT
? bus architecture to 16
bits. It is designed to connect peripheral cards to the
motherboard. The protocols also allows for [bus mastering]
? although only the first 16 MB of main memory is available for direct access. In reference to the
XT bus architecture it is sometimes referred to as "
AT bus architecture".
See also:
Article based on [Industry Standard Architecture] at [FOLDOC], used with permission.