Overview of BIOS Features
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3.7.3 Booting Without Attached Devices
For use in embedded applications, the BIOS has been designed so that after passing
the POST, the operating system loader is invoked even if the following devices are not
present:
• Video adapter
• Keyboard
• Mouse
3.7.4 Changing the Default Boot Device During POST
Pressing the <F10> key during POST causes a boot device menu to be displayed. This
menu displays the list of available boot devices (as set in the BIOS setup program’s
Boot Device Priority submenu). Table 32 lists the boot device menu options.
Table 32. Boot Device Menu Options
Boot Device Menu Function Keys Description
<↑> or <↓>
Selects a default boot device
<Enter> Exits the menu, saves changes, and boots from the selected
device
<Esc> Exits the menu without saving changes
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