HP PC Commercial BIOS (UEFI) Setup
HP PC Commercial BIOS (UEFI) Setup 
July 2020 
919946-004 
© Copyright 2016-2019 HP Development Company, L.P. 
5 Advanced Menu 51 
Feature 
Type 
Description 
Default 
Notes 
Host Based MAC 
Address 
Setting 
Can be set to Disabled, System, or Custom. Setting to 
System allows all HBMA settings to be modified except 
the custom MAC address. Setting to custom allows all 
settings including the custom MAC address to be 
modified. 
Disable 
Notebook Only 
(2016+) 
MAC ADDRESS 
Setting 
Configure a custom MAC address. Shows the current 
factory and system MAC addresses as well. 
Factory MAC 
Address 
Notebook Only 
Reuse 
Embedded LAN 
Address 
Setting 
When checked, enables the ability to reuse the embedded 
LAN address 
Disable 
Notebook Only 
 Pre-boot 
HBMA Support 
Setting 
Set Host Based MAC Address (HBMA) support in the 
preboot environment such as PXE. 
Checked but 
disabled until 
Host Based MAC 
Address is 
Enabled 
Notebook Only 
 Windows 
HBMA Support 
Setting 
Set host-based MAC address (HBMA) support in the 
Windows OS environment. 
Checked but 
greyed out until 
Host Based MAC 
Address is 
Enabled 
Notebook Only 
 Single NIC 
Operation 
(Disable All Other 
NICs when HBMA 
is active on one 
NIC) 
Setting 
When within Windows OS, only one NIC will operate using 
Host Based MAC Address (HBMA). This feature does not 
apply to PXE environments. 
Unchecked but 
greyed out until 
Host Based MAC 
Address is 
Enabled 
Notebook Only 
HBMA Priority 
List 
Setting 
Change the priority of USB and embedded Network 
Interface Cards (NICs) for the system. 
Notebook Only 
5.12 Thunderbolt™ Options 
The following table describes various settings for configuring Thunderbolt™ ports, previously located in the Port Options 
menu. This menu organization is new in 2019 for platforms supporting Thunderbolt™ technology. There still remains a 
setting in Port Options to turn the Thunderbolt™ port on or off. 
Feature 
Type 
Description 
Default 
Notes 
 Thunderbolt™ 
Mode 
Setting 
When checked, enables Thunderbolt™ connections on the 
Type-C port. 
Checked 
 Require BIOS 
PW to change 
Thunderbolt™ 
Security Level 
Setting 
When checked, Thunderbolt™ Security Level cannot be 
changed unless a BIOS administrator password has been 
created. This setting cannot be disabled if DMA Protection 
(System Options) is enabled. 
Checked 










