The first edition of PC Interrupts was the first and only complete reference to all the system calls an IBM programmer needed. Now updated and expanded, PC Interrupts Second Edition provides concise descriptions of all the system calls from many different sources - MS-DOS, the ROM BIOS, and various APIs (application program interfaces) such as Windows 3.x, DESQview, and Advanced Power Management. Over 50 major APIs, dozens of resident utilities, as well as BIOS and MS-DOS services are covered. In addition, this book is the only available source of information on potential conflicts between calls from different APIs.This book includes complete coverage of the following interrupt services and topics: ROM BIOS; multitaskers/task-switchers; VCPI, DPMI, and DOS extenders; virtual DMA Specification; remote-control software; FAX software; hardware and video; low-level disk and serial I/O; Microsoft Windows; advanced power management; debugging tools; and programming language support.A companion volume, Network Interrupts: A Programmer's Reference to Network APIs draws together all the information about network system calls, including NetWare 4, NetWare Lite, Windows for Workgroups, and Windows NT.