BIOS Setup (SCU) 
  3.7 Boot Menu 
BIOS Description 
Operating Manual, 05/2016, A5E33664825-AB 
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In the "Boot" menu, you specify the boot characteristics of the device and determine 
bootable device components (boot media) and boot order. The following figure shows an 
example for the "Boot" menu. 
 
 
Boot Type  Dual Boot Type  Both legacy and EFI boot media are listed 
and approved as boot media. 
Legacy Boot Type  Only legacy boot media are listed and  
approved as boot media. 
UEFI Boot Type  Only EFI boot media are listed and approved 
Quick Boot  Enable (Enabled) or disable (Disabled) Quick Boot. 
If enabled, the device starts faster because BIOS skips various hardware 
Quiet Boot  During the self-test, the boot logo is displayed (Enabled) or startup  
information is displayed in text mode (Disabled). 
Refer to section "Advanced-Menü", "Boot Configuration" submenu. 
Network Stack  Specifies whether the UEFI Network Stack is available (Enabled)  
or not available (Disabled) for network access using UEFI .  
When Disabled , for example, no UEFI installation is possible via PXE.