NEC Express5800 Series EXP320B - Manual (Page 124)

4-26 System Configuration
Boot
Move the cursor onto "Boot" to display the Boot menu.
The server searches for the boot device according to the order specified in this menu and use the
software to boot the system if found.
You can change the boot device order using n or p and + or –. Move the cursor to select the device
by n or p, and then change the priority using + or –.
IMPORTANT:
Specify the device boot order as shown above to start the NEC EXPRESSBUILDER.