91. The Big PictureWelcome to the ZEOS User’s Guide! The User’s Guide works with theGetting Started manual to help keep your system running trouble free,year after year.This User’s Guide is divided into five chapters.Chapter 1, The Big Picture gives an overview of typical desktop, tower,and mini-tower systems. It also shows the major components inside thecomputer case.Chapter 2, The Mainboard gives detailed information about yourmainboard.Chapter 3, Using SETUP explains how to use the SETUP utilityprogram to customize the built-in features of your system’s BIOS (BasicInput/Output System).Chapter 4, Expanding Your System shows how to add components andenhancements to your system. These include a video adapter card, acontroller card, an internal modem, a floppy drive, an IDE hard drive, aCD-ROM drive, memory RAM SIMMs, system cache, and a new CPU.Chapter 5, Mainboard Specifications includes your mainboardspecifications, environmental specifications, plus pin assignments foryour serial and parallel ports.The Handy Cheat Sheet gives a short summary of some of the mostneeded or most forgotten commands.The Glossary gives short definitions of some common computer terms.Chapter 1 - The Big Picture