Computer Setup—Power

NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.

Table 7-4Computer 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.

 

●

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: For Windows 8.1 systems with Fast Boot support, a normal shutdown goes to the S4 state.

 

 

◦

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.

 

 

Hardware Power

SATA Power Management – Enables or disables SATA bus and/or device power management. Default is

Management

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 0.5 Watt power usage. Default is disabled.

 

 

Thermal

Fan idle mode—This bar graph controls the minimum permitted fan speed.

NOTE: This setting only changes the minimum fan speed. The fans are still automatically controlled.

164 Chapter 7 Computer Setup (F10) Utility