HP EliteDesk 705 G2 Maintenance And Service Manual page 69

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)
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Restrict USB Devices
Specify the following categories of USB devices to enable:
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Option ROM Launch These policies control whether the Legacy Option ROM or the UEFI driver is loaded. Default is 'All UEFI'.
Policy
Configure Option ROM Launch Policy
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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)
Enabling this option permits the PCI Express links to use Active Power State Management (ASPM) to enter
lower power states while not in use. Default is enabled.
Unique Sleep State Blink Rates (enable/disable)
This feature is designed to provide a visual indication of what sleep state the system is in. Each sleep
state has a unique blink pattern. Default is disabled.
NOTE:
S0 (On) = Solid white LED.
S3 (Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (white LED) — repeated
cycles of 3 blinks and a pause.
S4 (Hibernation)= 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (white LED) —
repeated cycles of 4 blinks and a pause.
S5 (Soft Off) = LED is off.
Power On from Keyboard Ports (enable/disable)
Enables or disables waking from S3 due to any keyboard activity. Default is disabled.
USB Charging Port Function (enable/disable)
Front USB ports
Rear USB ports
Media card reader
Allow all USB devices
Allow only keyboard and mouse
Allow all but storage devices and hubs.
All legacy
All UEFI
All UEFI except video
A normal shutdown goes to the S4 state.
Computer Setup (F10) Utilities 61