SCI from the Embedded Controller to inform the ACPI driver (in the OS) of an ACPI EventĪs a core system component, the embedded controller is always on when power is supplied to the mainboard.
Debug Card Interface (Enables repair centers to monitor the boot process with a special device in an attempt to fix problems (only few several hundred codes)).
Can act as a bridge between BIOS chip and chipset.
System Management Interrupt (entry to System Management Mode).
Performing software-requested CPU reset.
Allowing remote diagnostics and remediation over the network.
Thermal measurement (CPU, GPU, Motherboard) and response including fan control, CPU and GPU throttling, and emergency shutdown in response to rising temperatures.
other buttons and switches (e.g., power button, laptop lid switch (received from hall sensor)).
Receiving and processing signals from the keyboard and the touchpad (including touchpad disable).
An embedded controller can have the following tasks:
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