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{{Short description|Circuit handling system tasks in computers}}
{{multiple issues|
{{more footnotes needed|date=June 2014}}
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An '''Embedded Controller''' ('''EC''') is a [[microcontroller]] in [[computer]]s that handles various system tasks. Now it is usually merged with [[Super I/O]], especially on mobile platforms (such as
== Tasks ==
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*Controlling access to the [[A20 line]]<ref>{{Cite web|url=http://www.win.tue.nl/~aeb/linux/kbd/A20.html|title=A20 - a pain from the past}}</ref>
*Thermal measurement (CPU, GPU, Motherboard) and response including [[fan control]], [[Dynamic frequency scaling|CPU and GPU throttling]], and emergency shutdown in response to rising temperatures
*Power management, including control [[voltage regulator module]]
*Controlling indicator [[Light-emitting diode|LED]]s (e.g. caps lock, scroll lock, num lock, battery, ac, power, wireless LAN, sleep)
*Managing the [[Battery (electricity)|battery]] charger and the battery<ref name="amikey"/>
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*System Management Interrupt (entry to [[System Management Mode]])
*[[Bluetooth]] toggle
*Controlling display brightness (built-in LCD or OLED)
*[[USB]] OC (overcurrent) (USB disable)
▲*Controls RGB lighting
*[[Wake-on-LAN]]
*Debug Card Interface (Enables repair centers to monitor the boot process with a special device in an attempt to fix problems)
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