HP EliteDesk 880 G4 TWR Maintenance And Service Manual page 87

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)
Option Heading
Internal Speakers (does not affect external speakers)
Clear to disable the chassis speaker or speakers. This function is applicable to normal audio playback in
the operating system and does not affect the error or warning beeps during POST. Default is enabled.
Increase Idle Fan Speed(%)
Sets idle fan speed percentage. This setting only changes the minimum fan speed. The fan is still
automatically controlled.
USB Type-C Connector System Software Interface (UCSI)
Allows the operating system to monitor and report USB Type-C events and status. Default is enabled.
Port Options Serial Port A/B
Lets you disable the port. Default is enabled.
NOTE:
I/O Address A/B
Lets you specify the address. Default is enabled.
Interrupt A/B
Lets you specify the address. Default is enabled.
Lets you disable the following ports (default is enabled):
●
●
●
●
●
Restrict USB Devices
Specify the following categories of USB devices to enable:
●
●
●
When some devices are restricted, the system will disable USB ports that do not meet the allowed
criteria. This feature is usually combined with similar policies within the operating system since USB
devices can be moved to different ports. The ports disabled by the BIOS will remain disabled until the
system is restarted.
Option ROM Launch These policies control whether Legacy Option ROMs or UEFI drivers are loaded. Default is 'All UEFI' for
Policy Windows 10 or later.
Configure Option ROM Launch Policy
●
●
●
Serial Port A and/or Serial Port B settings are available depending on installed hardware.
SATA connectors
Front USB ports
Rear USB ports
USB Legacy Port Charging
Enables USB charging port capability when the system is in hibernate or shutdown state.
Front USB Type-C Downstream Charging
Enables USB charging port capability when the system is in hibernate or shutdown state.
Allow all USB devices (default)
Allow only keyboard and mouse
Allow all but storage devices and hubs.
All legacy
All UEFI
All UEFI except video
Computer Setup (F10) Utilities 79