It was however attempted to standardize a replacement for ISA in the form of Extended ISA (EISA). Created in 1988, this featured a 32-bit bus, running at 8.33 MHz.

An Instruction Set Architecture (ISA) defines the software interface through which for example a central processor unit (CPU) is controlled. Unlike early computer systems which didn’t define … ...

Customers who transfer an existing Isa to Plum's easy-access deal will also get a lower rate of 3.29 per cent. Plum's Isa limits withdrawals to four withdrawals in a 12-month period.