85 AIMB-286EF User ManualChapter 4 Software Introduction & Service4.2.1.3 Monitor4.2.1.4 Power Saving4.2.2 Software UtilityBacklightThe Backlight API allows a developer to control the backlight(screen) on/off in embedded devices.WatchdogA watchdog timer (WDT) is a device that performs a specificoperation after a certain period of time if something goeswrong and the system does not recover on its own. A watch-dog timer can be programmed to perform a warm boot(restarting the system) after a certain number of seconds.Hardware MonitorThe Hardware Monitor (HWM) API is a system health super-vision API that inspects certain condition indexes, such asfan speed, temperature and voltage.CPU SpeedMakes use of Intel SpeedStep BIOS technology to savepower consumption. The system will automatically adjust theCPU speed depending on the system loading.System ThrottlingRefers to a series of methods for reducing power consump-tion in computers by lowering the clock frequency. This APIallows the user to adjust the clock from 87.5% to 12.5%.BIOS FlashThe BIOS Flash utility allows customers to update theflash ROM BIOS version, or use it to back up current BIOSby copying it from the flash chip to a file on customers’disk. The BIOS Flash utility also provides a command lineversion and an API for fast implementation into custom-ized applications.