This document provides a guide to the BIOS setup utility for various Fujitsu LIFEBOOK models. The BIOS setup utility allows configuration of device control, security, and other system settings. It has menus for Info, System, Advanced, Security, Boot, and Exit. The System menu allows setting time, date, language, and enabling/disabling drives. The document describes the options and navigation for each menu and submenu in the BIOS setup utility.