HP PC Commercial BIOS (UEFI) Setup Whitepaper
August 2018 
919946-003 
HP PC Commercial BIOS (UEFI) Setup 
© Copyright 2016-2018 HP Development Company, L.P. 
5 Advanced Menu 40 
Feature 
Type 
Description 
Default 
Notes 
Voltage (A, B, C, 
D) 
Setting 
Powered Serial port voltage selection on RPOS units that 
include this HW.  
0 Volts 
Retail Point of 
Sale Systems 
only 
M.2 SSD 1 
Setting 
Enable or Disable M.2 SSD storage device. 
Enable 
M.2 SSD 2 
Setting 
Enable or Disable M.2 SSD storage device. 
Enable 
USB Ports 
Setting 
Enable or disable all USB ports. 
Enable 
Available on 
select notebook 
products only 
Left USB Ports 
Setting 
Enable or disable USB ports on the left side of the system. 
Enable 
Right USB Ports 
Setting 
Enable or disable USB ports on the right side of the system. 
Enable 
Top USB Ports 
Setting 
Enable or disable USB ports on the top side of the system. 
Enable 
Desktop only 
Bottom USB 
Ports 
Setting 
Enable or disable USB ports on the bottom side of the 
system. 
Enable 
Desktop only 
Front USB Ports 
Setting 
Enable or disable USB ports on the front side of the system. 
Enable 
Desktop only 
Back USB Ports 
Setting 
Enable or disable USB ports on the back side of the system. 
Enable 
Desktop only 
USB SuperSpeed 
Ports at 10Gb 
(Gen2) 
Setting 
Enable or Disable USB SuperSpeed Ports. 
Enable 
Basso only 
Disable Charging 
Port in sleep/off 
if battery below 
(%) 
Setting 
Prevent charging port from providing power to external 
devices if the system itself is below a certain battery 
threshold. 
10% 
Notebook only 
Rear USB Type-C 
Downstream 
Charging 
Setting 
Allow USB Type-C downstream charging on rear USB ports. 
Enable 
Desktop only, 
2016 
Front USB Type-
C Downstream 
Charging 
Setting 
Allow USB Type-C downstream charging on front USB ports. 
Enable 
Desktop only, 
2016 
USB Type-C 
Controller 
Firmware Update 
Setting 
Enable or Disable USB Type-C controller flashing to a 
different firmware version. 
Enable 
Slice only 
Downstream 
USB Charging 
from Type C Port 
Setting 
Enable or Disable downstream charging on USB Type C port 
(if only one present on system). 
Enable 
Desktop only, 
2015 
Cash Drawer Port 
Setting 
On select Retail Point of Sale systems, control whether the 
cash drawer port can be activated or not. 
Enable 
Retail Point of 
Sale Systems 
only 










