Advantech AIMB-581 User Manual page 77

4.2.1.2 Display
Brightness Control
Backlight
4.2.1.3 Monitor
Watchdog
Hardware Monitor
4.2.1.4 Power Saving
CPU Speed
System Throttling
The Brightness Control API allows a developer to access
embedded devices and easily control brightness.
The Backlight API allows a developer to control the backlight
(screen) on/off in embedded devices.
A watchdog timer (WDT) is a device that performs a specific
operation after a certain period of time if something goes
wrong and the system does not recover on its own. A watch-
dog timer can be program ed to perform a warm boot
(restarting the system) after a certain number of seconds.
The Hardware Monitor (HWM) API is a system health super-
vision API that inspects certain condition indexes, such as
fan speed, emperature and voltage.
Makes use of Intel SpeedStep technology to save power con-
sumption. The system will automatically adjust the CPU
speed depending on the system loading.
Refers to a series of methods for reducing power consump-
tion in computers by lowering the clock frequency. This API
allows the user to adjust the clock from 87.5% to 12.5%.
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