OS X Boot Keys
Keys to hold down during boot:
- 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
From: http://www.surfbits.com/?p=566 More information at Apple Knowledge Base Article: http://docs.info.apple.com/article.html?artnum=75459