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 48
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
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
5.9 Power Management Options Menu
The following table describes various setting options for Power Management Options.
Table 28 Power Management Options Menu features
Feature
Type
Description
Default
Notes
Runtime
Power
Management
Setting
When checked, enables the processor to run at lower
frequencies (P-states) when higher performance is not
needed. When unchecked the processor always runs at
maximum frequency.
Checked
Select products
only
Extended Idle
Power States
Setting
When checked, enables the processor to rest in lower
power states (C-states) when idle.
Checked
Select products
only
S5 Maximum
Power Savings
Setting
When checked, minimizes system power consumption
while in the S5 (off) state.
NOTE: Windows 10 with Fast Startup enabled powers off
to the S4 (suspend to disk) state.
Unchecked
Desktop Only
SATA Power
Management
Setting
When checked, enables the SATA bus to enter low power
states when idle.
Checked
Desktop Only
Deep Sleep
Setting
When checked, reduces power consumption while in
S3/S4/S5 to extend battery life.
NOTE: Enabling deep sleep disables some wake events
such as wake on USB without AC power.
Checked
Notebook Only