OS/2 Version 2.0 is based on the Intel 80386 microprocessor architecture, and exploits the 32-bit features of the 80386 processor. The features used by OS/2 Version 2.0 are:
Version 2.0 introduces a flat memory model with a linear address space of 4 gigabytes (GB), and removes many of the memory management restrictions experienced in previous versions of OS/2. The purpose of this chapter is to provide the reader with an understanding of the way that OS/2 Version 2.0 manages memory and the impact of this on system administrators and application developers.