The YaST Power Management module can configure all power management settings described above. When starting the module from the YaST Control Center (17.1. “YaST Power Management: Scheme Selection”). In this dialog, select the schemes to use for battery operation and AC operation. To add or modify the schemes, click , which opens an overview of the existing schemes like that shown in Figure 17.2. “YaST Power Management: Overview of Existing Schemes”.-> ), the first dialog of the module is displayed (see Figure
In the scheme overview, select the scheme to modify then click 17.3. “YaST Power Management: Adding a Scheme”).. To create a new scheme, click . The dialog that opens is the same in both cases (see Figure
First, enter a suitable name and description for the new or edited scheme. For the hard disk, define a 17.1. “YaST Power Management: Scheme Selection”). In the start dialog, assign the custom scheme to one of the two operating modes. To activate your settings, exit this dialog with .for maximum performance or for energy saving. The controls the noise level of the hard disk. Click to enter the and dialog. comprises the options and . Use these options to define if and to what extent the CPU frequency may be throttled. The determines the cooling method. Complete all settings for the scheme and click to return to the start dialog (Figure
Global power management settings can also be made from the intial dialog using 17.4. “YaST Power Management: Battery Charge Level”.or . Click to access the dialog for the battery charge level, shown in Figure
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 suspend, as the remaining energy is not sufficient for continued system operation. Select suitable charge levels and the respective actions then click to return to the start dialog.
Access the dialog for configuring the ACPI buttons using 17.5. “YaST Power Management: ACPI Settings”. The settings for the ACPI buttons determine how the system should respond to the actuation of 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 (Figure 17.1. “YaST Power Management: Scheme Selection”). Click again to exit the module and confirm your power management settings.. It is shown in Figure