ASUS H87-PRO ユーザーズマニュアル

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Chapter 3: BIOS setup

When enabled, the system in S4 state will further reduce power usage and will power off the 

USB and PS/2 devices. The system in deep S4 state can be woken up via the power button, 

devices in LAN, or other ways except via the USB and PS/2 devices. Configuration options: 

[Disabled] [Enabled]

[Power On] 

The system goes into ON state after an AC power loss.

[Power Off] 

The system goes into OFF state after an AC power loss.

[Last State] 

The system goes into either OFF or ON state, whatever the system state 

was before the AC power loss.

[Disabled] 

Disables the Power On by a PS/2 keyboard.

[Space Bar] 

Sets the Space Bar on the PS/2 keyboard to turn on the system.

[Ctrl-Esc] 

Sets the Ctrl+Esc key on the PS/2 keyboard to turn on the system. 

[Power Key] 

Sets Power key on the PS/2 keyboard to turn on the system. This feature 

requires an ATX power supply that provides at least 1A on the +5VSB lead.

[Disabled] 

Disables the PCIE/PCI devices to generate a wake-on-LAN feature of the 

Realtek LAN device or other installed PCIE/PCI LAN devices.

[Enabled] 

Enables the PCIE/PCI devices to generate a wake-on-LAN feature of the 

Realtek LAN device or other installed PCIE/PCI LAN devices.