Mac startup key sequences

What are the Mac hardwares various startup key sequences?

On the older Macs, Shift used to be start without extensions, Ctrl-Apple-O-F would boot to OpenFirmware, (but didn't the Intel Macs switch to EFI BIOS's?)

If the shortcut is hardware specific, please note it.

Google is your friend: http://www.jacsoft.co.nz/Tech_Notes/Mac_Keys.shtml

• Bypass startup drive and boot from external (or CD): commandoptionshiftdelete
• Boot from CD (Most late model Apples): C
• Force the internal hard drive to be the boot drive: D
• Boot from a specific SCSI ID #. (# is SCSI ID number): commandoptionshiftdelete#
• Zap PRAM: commandoptionPR
• Boot into open Firmware: commandoptionOF
• Clear NV RAM. Similar to reset-all in open Firmware: commandoptionNV
• Disable Extensions: shift
• Rebuild Desktop: commandoption
• Close finder windows (hold just before finder starts): option
• Boot with Virtual Memory off: command
• Trigger extension manager at boot-up: SPACE
• Force Quadra av machines to use TV as a monitor: commandoptionTV
• Boot from ROM (Mac Classic only): commandoptionXO
• Force PowerBooks to reset the screen: R
• Force an AV monitor to be recognized as one: commandoptionAV
• Eject Boot Floppy: Hold Down Mouse Button
• Select volume to start from: option
• Start in Firewire target drive mode: T
• Startup in OSX if OS9 and OXS in boot partition: X or commandX
• Attempt to boot from network server: N (Hold until Mac Logo appears)
• Hold down until the 2nd chime, will boot into 9?: commandoption
• OSX: Watch the status of the system load: commandV
• OSX: Enter single-user mode (shell-level mode): commandS

http://support.apple.com/kb/HT1533

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