BIOS Utility4-17System Sleep TimerThis parameter sets the system to the lowest power-saving mode. Itautomatically enters into the sleep or the suspend mode after aspecified period of inactivity. Any keyboard or mouse action, or anyLAN activity detected resumes system operation.Stop CPU Clock in Sleep StateIf you want to stop the CPU clock when the system enters the sleep orsuspend mode, set this parameter to Yes. If not, then select No.4.5.2 ACPI BIOSACPI (Advanced Configuration and Power Interface) enables theoperating system to monitor and control the amount of power suppliedto each device attached to the system. When enabled, ACPI usesthe OS (Operating System) to turn off the peripheral devices (such asa CD-ROM) that are not in use. The default setting is Disabled.