TANK -820-H61 E mbedded S ys temP age 57K ey F unc tion- Decrease the numeric value or make changesPage Up key Increase the numeric value or make changesPage Dn key Decrease the numeric value or make changesEsc 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 5-1: BIOS Navigation Keys5.1.3 G etting HelpWhen 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.5.1.4 Unable to R eboot after C onfiguration C hangesIf the computer cannot boot after changes to the system configuration is made, CMOSdefaults. Use the jumper described in Chapter 2.5.1.5 B IOS Menu B arThe 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.