The purpose of this document is to provide an overview of the NEC PC-9800 Series Personal Computer for software and hardware developers. Since its introduction in 1982, the PC-9800 family has become the best selling 16 and 32 bit personal computer with the widest range of application solutions in Japan. As a result of the PC-9800 Series Personal Computer's success in Japan, many vendors around the world desire to target software and hardware products to this platform.
Some differences are due to additional requirements for Japanese language processing.
As an overview, this document refers to other technical data books and manuals which provide more extensive, detailed information concerning programming and design for the PC-9800 platform. These references are given in the Additional Information Sources section at the end of this document. This document covers a broad range of software and hardware issues. PC-UX is a localization of SCO UNIX SVR3.2. Expansion bus hardware design is different.