Open Firmware

Open Firmware is a standard defining the interfaces of a computer firmware system, formerly endorsed by the Institute of Electrical and Electronics Engineers (IEEE). It originated at Sun Microsystems where it was known as OpenBoot, and has been used by multiple vendors including Sun, Apple, IBM and ARM.

Not to be confused with open-source firmware.

Open Firmware allows a system to load platform-independent drivers directly from a PCI device, improving compatibility.

Open Firmware may be accessed through its command line interface, which uses the Forth programming language.

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