# ACPI-specific documentation

This section contains documentation about coreboot on ACPI. coreboot dropped backwards support for ACPI 1.0 and is only compatible to ACPI version 2.0 and upwards.

- SSDT UID generation

## GPIO

- GPIO toggling in ACPI AML

## Windows-specific ACPI documentation

- Windows-specific documentation

## ACPI specification - Useful links

- ACPI Specification 6.5

- ASL 2.0 Syntax

- Predefined ACPI Names