ITCS -100-H81 Em b e dd e d S ys te mP a g e 25Ke y Fu n c tio nEsc key Main Menu – Quit and not save changes into CMOSStatus Page Setup Menu and Option Page Setup Menu --Exit current page and return to Main MenuF1 General help, only for Status Page Setup Menu and OptionPage Setup MenuF2 Previous valuesF3 Load optimized defaultsF4 Save changes and Exit BIOSTable 4-1: BIOS Navigation Keys4.1.3 Ge ttin g He lpWhen F1 is pressed a small help window describing the appropriate keys to use and thepossible selections for the highlighted item appears. To exit the Help Window press ESC orthe F1 key again.4.1.4 Un a b le to Re b o o t a fte r Co n fig u ra tio n Ch a n g e sIf the computer cannot boot after changes to the system configuration is made, CMOSdefaults. Use the jumper described in Chapter 2.4.1.5 BIOS Me n u Ba rThe menu bar on top of the BIOS screen has the following main items: Main – Changes the basic system configuration. Advanced – Changes the advanced system settings. Chipset – Changes the chipset settings. Boot – Changes the system boot configuration. Security – Sets User and Supervisor Passwords. Save & Exit – Selects exit options and loads default settings.The following sections completely describe the configuration options found in the menuitems at the top of the BIOS screen and listed above.