The YaST power management module can configure all power management settings already described. When started from the YaST Control Center with Figure 16.1, “Scheme Selection”.+ , the first dialog of the module opens. It is shown in
In this dialog, select the schemes to use for battery operation and AC operation. To add or modify the schemes, click Figure 16.2, “Overview of Existing Schemes”., which opens an overview of the existing schemes like that shown in
In the scheme overview, select the scheme to modify then click Figure 16.3, “Adding a Scheme”.. To create a new scheme, click . The dialog that opens is the same in both cases and is shown in
First, enter a suitable name and description for the new or edited scheme.
Determine if and how the CPU performance should be controlled for this
scheme. Decide if and to what extent frequency scaling and throttling should
be used. In the following dialog for the hard disk, define a
learn how you can use the fan and passive cooling methods.
Global power management settings can also be made from the initial dialog using Figure 16.4, “Battery Charge Level”., , or . Click to access the dialog for the battery charge level, shown in
The BIOS of your system notifies the operating system whenever the charge level drops under certain configurable limits. In this dialog, define three limits:, , and . Specific actions are triggered when the charge level drops under these limits. Usually, the first two states merely trigger a notification to the user. The third critical level triggers a shutdown, because the remaining energy is not sufficient for continued system operation. Select suitable charge levels and the desired actions then click to return to the start dialog.
Access the dialog for configuring the ACPI buttons using Figure 16.5, “ACPI Settings”. The settings for the ACPI buttons determine how the system should respond to certain switches. Configure the system response to pressing the power button, pressing the sleep button, and closing the laptop lid. Click to complete the configuration and return to the start dialog.. It is shown in
Clickto enter a dialog in which to determine if and how users of this system may use the suspend or standby functionality. Click to return to the main dialog. Click again to exit the module and confirm your power management settings.