Download or read book The IBM PC AT Programmer's Guide written by James T. Smith and published by . This book was released on 1986 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Clearly presents what you need to know to take complete control of the PC AT. Provides extensive information about DOS 3.0, the Intel 80286, and the PC AT BIOS - to give you all the tools you need for proficient programming. Also included is a detailed background on the IBM family of personal computers, how they differ from the AT and the Intel 8086 CPU family.