Asus AP140R-E1 - Manual (Page 86)

5-30 Chapter 5: BIOS setup
5.6 Boot menu
The Boot menu items allow you to change the system boot settings. Select
an item then press Enter to display a sub-menu with additional items, or
show a pop-up menu with the configuration options.
5.6.1 Boot Device Priority
Boot Device Priority
Hard Disk Boot Priority
Removable Device Priority
Boot Settings Configuration
Security
Item Specific Help
Select Menu
1st Boot Device [Removable]
2nd Boot Device [CDROM]
3rd Boot Device [Hard Disk]
Boot Device Priority
Item Specific Help
Select your Boot
Device Priority.
Select Menu
1st Boot Device [Removable]
2nd Boot Device [CDROM]
3rd Boot Device [Hard Disk]
These items allow you to select your boot device priority. Configuration
options: [Removable] [Hard Disk] [CDROM] [Legacy LAN] [Disabled]