Possible values of an option:
The option description:
This option usually entering into group under the general heading
Or similar, is responsible for tracking activity of the periphery connected to serial ports of the computer.
At value [Disabled] (or [Ignore], [Off]) tracking the given devices is absent, allowing the computer to pass in power savings mode even at their activity. Value [Enabled] (or [Monitor], [On]) orders to leave a mode with the lowered consumption of energy (or not to pass in it) at activity of any of marked above devices.