For more information about the PowerPC 750? microprocessor used in the iBook, developers may wish to refer to the standard reference, PowerPC 740/750 Microprocessor Implementation Definition Book IV. Information about the PowerPC 750 and other G3 microprocessors is also available on the World Wide Web at
http://www.mot.com/SPS/PowerPC/index.html
http://www.chips.ibm.com/products/powerpc/