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Computer Setup—Power
NOTE: Support for specific Computer Setup options may vary depending on the hardware
configuration.
Table 3-4 Computer Setup—Power
Option Description
OS Power
Management
● Runtime Power Management— Enable/Disable. 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.
● Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the
processors power consumption when the processor is idle. Default is extended.
●
USB Wake on Device Insertion (some models)—Allows system to wake from Standby on
USB device insertion.
● 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.
◦
S0 (On) = Solid green LED.
◦
S3 (Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds
(green 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
(green LED) — repeated cycles of 4 blinks and a pause.
◦ S5 (Soft Off) = LED is off.
NOTE: If this feature is disabled, S4 and S5 both have the LED off. S1 (no longer supported)
and S3 use 1 blink per second.
Hardware Power
Management
● SATA Power Management—Enables or disables the SATA bus and/or device power
management. Default is enabled.
● S5 Maximum Power Savings—Turns off power to all nonessential hardware when system is
off to meet EUP Lot 6 requirement of less than 1 Watt power usage. Enabling this feature will
disable any wake events and management devices while in S5. Default is disabled.
Thermal Displays the system fan speed (RPMs).
Computer Setup (F10) Utilities 17