Press „?" during boot routine to enter the BIOS:
You find the following menu:
? Print this help
c Configure settings
Boot:
s SD card: Generic STORAGE DEVICE 9454 (4.0GB)
U Si: right USB slot, S: upper USB slot
u – Si: left USB slot, S: lower USB slot
1 LAN0 (PXE)
2 LAN1 (PXE)
3 LAN2 (PXE)
4 LAN3 (PXE)
R Reset
O Power off
Press "c" to enter the system's BIOS.
If you choose to manage your appliance with genucenter, „1" in the boot
menu. In this case the appliance tries to boot via the Network interface
LAN0 using PXE.
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