HP ProDesk 405 G4 Small Form Factor Maintenance And Service Manual page 77

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Table 5-3
Computer Setup—Advanced (for advanced users) (continued)
Option
Heading
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 Policy
These policies control whether Legacy Option ROMs or UEFI drivers are loaded. Default is 'All UEFI' for
Windows 10 or later.
Configure Option ROM Launch Policy
Power Management
Runtime Power Management (enable/disable)
Options
Allows certain operating systems to reduce processor voltage and frequency when the current software load
does not require the full capabilities of the processor. Default is enabled.
Extended Idle Power States (enable/disable)
Allows certain operating systems to decrease the processors power consumption when the processor is idle.
Default is enabled.
S5 Maximum Power Savings (enable/disable)
Enabling this feature reduces the power of the system as much as possible in the S5 state. Power is
removed from the wake up circuitry, the expansion slots, and any management features while in S5. Default
is disabled.
SATA Power Management (enable/disable)
Enables or disables SATA bus and/or device power management. Default is enabled.
PCI Express Power Management (enable/disable)
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
67

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