Developer Documentation
PATHHardware Documentation > Power Macintosh G3 Developer Note


Boot ROM Contents

The boot ROM contains the code needed to start up the computer, initialize and examine the hardware, provide a device tree to describe the hardware, provide hardware access services (RTAS), and control to the operating system. The boot ROM can be grouped into the following major pieces.

POST Code

Open Firmware

Mac OS Drivers

RTAS


© 1998 Apple Computer, Inc. — (Last Updated 5 Jan 99)