Asus P1-P5945G - Manual (Page 84)

5-29 ASUS P1-P5945G/P2-P5945G
Power On By PCIE Devices [Disabled]
When set to [Enabled], this parameter allows you to turn on the system
through a PCI Express LAN card. This feature requires an ATX power supply
that provides at least 1A on the +5VSB lead.
Configuration options: [Disabled] [Enabled]
Power On By PS/2 Keyboard [Disabled]
Allows you to use specific keys on the keyboard to turn on the system.
This feature requires an ATX power supply that provides at least 1A on
the +5VSB lead. Configuration options: [Disabled] [Space Bar] [Ctrl-Esc]
[Power Key]
Power On By PS/2 Mouse [Disabled]
When set to [Enabled], this parameter allows you to use the PS/2 mouse
to turn on the system. This feature requires an ATX power supply that
provides at least 1A on the +5VSB lead. Configuration options: [Disabled]
[Enabled]