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20.13. Power Management

It is possible to forcibly enable or disable BIOS advertisements to the guest virtual machine OS using conventional management tools which effects the following section of the domain XML: 

  ...
  <pm>
    <suspend-to-disk enabled='no'/>
    <suspend-to-mem enabled='yes'/>
  </pm>
  ...

Figure 20.19. Power management

The <pm> element can be enabled using the arguement yes or disabled using the argument no. BIOS support can be implemented for S3 using the argument suspend-to-disk and S4 using the argument suspend-to-mem ACPI sleep states. If nothing is specified, the hypervisor will be left with its default value.