Foxconn G41MX-K English Manual. - Page 46
Power Management Setup - cpu support
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Power Management Setup CMOS Setup Utility - Copyright (C) 1985-2008, American Megatrends, Inc. Power Management Setup ACPI Suspend Type Power On after Power Fail HPET Resume by Ring Resume by LAN Resume by PCIE PME Resume by PCI Card Resume by USB Devices Resume by PS2 Keyboard Resume by PS2 Mouse Resume by RTC [S3 (STR)] Help Item [Power Off] [Enabled] Select the ACPI [Enabled] state used for [Enabled] System Suspend . [Enabled] [Enabled] [Enabled] [Enabled] [Enabled] [Disabled] 3 M��o��v�e E���n���t��e��r S���e���l�e��c�t V��a�l�u���e F���1���0 S���a���v��e E��S��C�:�E��x�i��t F���1 G����e���n���e���r�a��l�H��e��lp� F9:Optimized Defaults ACPI (Advanced Configuration and Power Interface) is an open industry standard interfaces enabling OS-directed configuration, power management, and thermal management of mobile, desktop, and server platforms. It defines five sleeping states, they are : S1 - The S1 sleeping state is a low wake latency sleeping state. In this state, no system context is lost (CPU or chip set) and hardware maintains all system context. (also called Power On Suspend) S2 - The S2 sleeping state is a low wake latency sleeping state. This state is similar to the S1 sleeping state except that the CPU and system cache context is lost (the OS is responsible for maintaining the caches and CPU context). Control starts from the processor's reset vector after the wake event. S3 - The S3 sleeping state is a low wake latency sleeping state where all system context is lost except system memory. CPU, cache, and chip set context are lost in this state. Hardware maintains memory context and restores some CPU and L2 configuration context. Control starts from the processor's reset vector after the wake event. (also called Suspend to RAM) S4 - The S4 sleeping state is the lowest power, longest wake latency sleeping state supported by ACPI. In order to reduce power to a minimum, it is assumed that the hardware platform has powered off all devices. Platform context is maintained. (also called Suspend to Disk) S5 - The S5 state is similar to the S4 state except that the OS does not save any context. The system is in the "soft" off state and requires a complete boot when it wakes. Software uses a different state value to distinguish between the S5 state and the S4 state to allow for initial boot operations within the BIOS to distinguish whether or not the boot is going to wake from a saved memory image. 39