HP PC Commercial BIOS (UEFI) Setup

HP PC Commercial BIOS (UEFI) Setup
July 2020
919946-004
© Copyright 2016-2019 HP Development Company, L.P.
8 Advanced Menu (2019 and older) 87
Feature
Type
Description
Default
Notes
 Serial Port (A,
B, C, D, C/D, E/F)
Setting
When checked, enables the specified serial ports.
Checked
Desktop Only
I/O Address (A)
(B) (C) (D)
Setting
The following settings are possible:
• Auto
• 3F8
• 2F8
• 3E8
• 2E8
NOTE: You can set I/O Address only for legacy ports and is
useful only in Legacy mode. Some serial ports are USB
based and cannot assign these resources.
Auto
Desktop Only
Interrupt (A) (B)
(C) (D)
Setting
The following settings are possible:
• Auto
• IRQ 3
• IRQ 4
• IRQ 5
• IRQ 10
NOTE: Interrupts are only settable for legacy ports and are
useful only in Legacy mode. Some serial ports are USB
based and cannot assign these resources.
Auto
Desktop Only
Serial Port
Voltage (A) (B)
(C) (D) (E) (F)
Setting
Powered Serial port voltage selection on RPOS units that
include this feature. Possible settings are:
• 0 Volts
• 5 Volts
• 12 Volts
0 Volts
Retail Point of
Sale Systems
Only
 Smart Card
Setting
When checked, enables integrated Smart Card slot.
Checked
Notebook Only
 Smart Card
Power Savings
Setting
When checked, enables the power-saving feature of the
Smart Card reader, thus not maintaining a session when the
card is removed.
Checked
Notebook Only
Cash Drawer Port
Setting
On select Retail Point of Sale systems, this controls whether
the cash drawer port can be activated or not.
Enable
Retail Point of
Sale Systems
Only
Restrict USB
Devices
Setting
When some devices are restricted, the system disables the
ports at boot-up where a restricted device is installed. That
port is disabled until the next boot. Port configuration is not
changed on insertion. The following settings are possible:
• Allow all USB Devices
• Allow only keyboard and mouse
• Allow all but storage devices and hubs
Allow all USB
Devices
Desktop Only