IBM Personal Computer/AT: Microprocessor, IBM, Intel 8028, Computer, Protected mode, Industry Standard Architecture, System 2, Trademar

IBM System z10: Mainframe Computer, IBM, z10 (microprocessor)

IBM Personal System/2: computer, IBM, Vendor lock-in, Operating system, OS/2, Intel 80286, AIX, Unix

IBM 9020: System/ 360, IBM, Computer

PC Based IBM Compatible Mainframes: Personal Computer, IBM, Mainframe Computer