Computer Setup—Power

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

Table 5 Computer Setup—Power

Option

Description

 

 

OS Power

● S5 Maximum Power Savings—Enable/Disable. Enabling this feature reduces the power of this

Management

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.

 

● Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the

 

processors power consumption when the processor is idle.

 

● ACPI S3 Hard Disk Reset—Enabling this causes the BIOS to ensure hard disks are ready to

 

accept commands after resuming from S3 before returning control to the operating system.

 

● ACPI S3 PS2 Mouse Wakeup—Enables or disables waking from S3 due to PS2 mouse activity.

 

● USB Wake on Device Insertion (some models)—Allows system to wake from Standby on USB

 

device insertion.

 

● Unique Sleep Blink Rates—This feature is designed to give the user a visual indication of the

 

sleep state the system is in. Each sleep state has a unique blink pattern:

 

◦

S0 = Solid green LED.

 

◦

S3 = 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (green LED), i.e.,

 

 

repeated cycles of 3 blinks and a pause.

 

◦

S4 = 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds (green LED), i.e.,

 

 

repeated cycles of 4 blinks and a pause.

 

◦

S5 = 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.

 

 

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.

 

 

 

10 Computer Setup (F10) Utility

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