Key            Description

C            Boot from CD or DVD drive installed in the computer

D            Boot from the internal disk drive

N            Boot from the network server

R            Resets the display on PowerBooks and iBooks to factory settings

X            Boot into MacOS X

Shift-Option-Command-Delete    Ignore the configured boot device setting and scan for an alternate boot device

T            Put the computer into FireWire target mode so it can be used as a hard drive

Option            Have Open Firmware run the OS Picker app to choose a disk to boot from

Shift            Boot into Safe Mode

Command-V            Perform a verbose boot allowing you to see all the BSD output as the system boots

Command-S            Perform a boot into single user to peform some sort of system maintenance

Option-Command-O-F            Access Open Firmware directly without booting into an operating system

Option-Command-P-R            Reset Open Firmware’s NVRAM, also known as “zapping” the PRAM

Hold down mouse button       Eject any media, such as a CD, in the system’s removable drive