NANO-CV-D25501/N26001 EPIC SBCPage 75Key FunctionEsc 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 Load previous valuesF3 Load optimized defaultsF4 Save changes and Exit BIOSTable 5-1: BIOS Navigation Keys5.1.3 Getting 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 Reboot after Configuration ChangesIf the computer cannot boot after changes to the system configuration is made, CMOSdefaults. Use the jumper described in Chapter 4.5.1.5 BIOS Menu BarThe 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.