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Open Firmware

The software architecture implemented on current Macintosh computers follows the standard defined by the Open Firmware IEEE 1274-1994 specification. Three Technotes provide an introduction to Open Firmware on the Macintosh platform. They are

TN 1061: Open Firmware, Part I, available on the Technote web site at

http://developer.apple.com/technotes/tn/tn1061.html

TN 1062: Open Firmware, Part II, at

http://developer.apple.com/technotes/tn/tn1062.html

TN 1044: Open Firmware, Part III, at

http://developer.apple.com/technotes/tn/tn1044.html

Other Technotes provide additional information about Open Firmware on the Macintosh.

TN 2000: PCI Expansion ROMs and You, at

http://developer.apple.com/technotes/tn/tn2000.html

TN 2001: Running Files from a Hard Drive in Open Firmware, at

http://developer.apple.com/technotes/tn/tn2001.html

TN 2004: Debugging Open Firmware Using Telnet, at

http://developer.apple.com/technotes/tn/tn2004.html

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