Rosewill Computer Case 422 Informações Técnicas descarregar pdf (Página 66)

ACPI (Advanced Configuration and Power Interface)

149

Disassembly

and Power

Setting Description

Soft-off Specifies the length of time a user must press the power button to turn

off the computer.

Deep S4/S5 Uses less power and only wakes from S4/S5 states with the power

button or a RTC (real time clock) alarm, such as waking the computer to

complete a task.

Power on by Ring, Resume by

Ring, or Wakeup

Allows the computer to wake when an adapter or an external device

supports Wake on Ring.

Resume by Alarm Allows a date and time to be set when the system is awakened from

Suspend mode. Commonly used to update the system during nonpeak

periods.

Wake Up on LAN Allows the computer to wake when a Wake on LAN signal is received

across the network.

CPU THRM Throttling Allows a reduction in CPU speed when the system reaches a specific

temperature.

Power on Function Specifies which key (or key combination) will activate the system’s power.

Hot Key Power On Defines what keystrokes will reactivate system power.

Doze Mode When the system is in a reduced activity state, the CPU clock is throttled

(slowed down). All other devices operate at full speed.

After Power Failure Sets power mode after a power loss.

Windows 7 has three power plans available, and you can customize these power plans. You

might want to customize a power plan when there is a problem with poor video quality when

playing a movie. Use the Change plan settings link followed by the Change advanced power

settings link to expand a section such as the Multimedia settings option. Table 4.5 shows the

three main power plans you can just click and sele ct.

Table 4.5 Windows 7 power plans

Power plan Description

Balanced The most common plan because it provides full power when you need it and

saves power when the computer is not being used.

Power saver Saves power by running the CPU more slowly and reducing screen brightness.

High performance Select the Show additional plans link to see this option. This provides the

maximum performance possible.

Sometimes, when a computer comes out of Sleep mode, not all devices respond, and the

computer’s power or reset button has to be pressed to reboot the computer. The following situ-

ations can cause this to happen:

• A screen saver conflicts with ACPI

• All adapters/devices are not ACPI compliant

• An adapter/device has an outdated driver

• The system BIOS or an installed adapter BIOS needs to be updated

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