[2] The term micromainframe was an Intel marketing designation describing the iAPX 432 processor's capabilities as being comparable to a mainframe.
The iAPX 432 processor and the iMAX 432 operating system were incompatible with the x86 architecture commonly found in personal computers.
iMAX 432 was implemented in a subset of the original (1980) version of the Ada, extended with runtime type checking and dynamic package creation.
[1] Version 1 was undergoing internal Intel testing as of 1981 and was scheduled to be released in 1982.
[1] As of 1982, a Version 3 of iMAX was planned for release, which was to add support for virtual memory.