• Customized: You determine each setting for Smart CPU Mode, Standby Time-out, Suspend Time-out, Hibernate Time-out, and Hard Disk Time-out. For definitions of these power modes, see “To start and stop the OmniBook.” 5. Optional. Choose a setting for Time-out on AC. If you want the time-outs to occur even when the OmniBook is connected to ac power, choose Enabled. To prevent time-outs while the OmniBook is plugged in, choose Disabled. 6. Press F10 to save and exit the BIOS Setup utility. 27