Siemens SIMATIC IPC277D Operating Instructions Manual page 149

Boot menu > "Legacy Boot Type Order (Advance) and (Placeholder)" submenu
In this menu all the connected bootable components and their booting position are displayed.
The booting position of the component can be moved freely.
During booting the component at the first position (highest booting priority) is used. If the
component is not available, booting is carried out from the next component in the list.
The boot sequence is changed as follows:
Select the boot component with the ↑↓ keys, move to the desired position with + or -.
Note
During the booting process the boot manager can be started by using the F12 key. The boot
manager displays all the available boot components and boots the device selected by the
user.
"Legacy Boot Type Order (Advance)" submenu
BIOS sets bootable components that are disconnected and reconnected on the PC between
the boot processes to the first position in the "Advance" setting.
SIMATIC IPC277D
Operating Instructions, 12/2016, A5E03409486-AE
Technical specifications
9.6 BIOS description
149