From jmerkey@wolfmountaingroup.com@21:1/5 to All on Wed Jun 24 21:11:35 2020
1989-03-26: UNIX International: Multiprocessing Working Group
1989-11-01: UNIX SVR4 is released
1990-02-15: IBM AIX version 3 is released
1991-10-08: UNIX SVR4 MP Version 1: Designed to scale up to 16 CPUs (Intel). 1992-07-20: UNIX SVR4 ES/MP: Provides scalability to support up to 30 CPUs (Intel).
1993-03-17: UNIX Labs Announces Unix SVR4.2 SPARC And MIPS Port.
1994-07-26: IBM AIX Version 4.1: Optimized for 4 CPUs, maximum 8 CPUs (PowerPC).