Computer Setup—Power

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

Table 3-5Computer Setup—Power

Option

Description

 

 

OS Power

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

Management

processors power consumption when the processor is idle. Default is extended.

 

● 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.

 

● 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 systems with Fast Boot support, a normal shutdown goes to the S4

 

state, not the S5 state.

 

◦

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.

 

 

Hardware Power

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

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 0.5 Watt power usage. Default is disabled.

 

PCI Express x16 Slot 1 – Sets Active State Power Management (ASPM) of the bus. ASPM lets

 

you set lower power modes that activate when the bus is not being used. Options are Disabled,

 

LOs, L1, LOs and L1. Default is ASPM Disabled.

 

PCI Express x1 Slot 1 – Sets Active State Power Management (ASPM) of the bus. ASPM lets you

 

set lower power modes that activate when the bus is not being used. Options are Disabled, LOs,

 

L1, LOs and L1. Default is ASPM Disabled.

 

Network Controller – Sets ASPM of the bus. ASPM lets you set lower power modes that activate

 

when the bus is not being used. Options are Disabled, LOs, L1, LOs and L1. Default is ASPM

 

Disabled.

 

 

USB 3.0 Controller – Sets ASPM of the bus. ASPM lets you set lower power modes that activate

 

when the bus is not being used. Options are Disabled, LOs, L1, LOs and L1. Default is ASPM

 

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.

 

 

 

Computer Setup (F10) Utilities 17

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HP D3K31UTABA, Pro 3515 E3S87UTABA, 3500p D8C44UTABA, D8C44UT#ABA, C7A35UT#ABA, D3K73UT#ABA, C7A34UT 5Computer Setup-Power
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