Command-Shift-1
Force ejects a floppy disk from the first floppy disk drive (internal).
Command-Shift-2
Force ejects a floppy disk from the second floppy disk drive (external or the second internal such as the Mac SE).
D
Forces the internal hard disk drive to be the startup device.
N
Hold down until the Mac logo to attempt boot from the network server (using BOOTP or TFTP).
R
Force PowerBooks to reset the screen.
T
Put the firewire-equipped Mac in firewire target disk mode.
Z
Attempt to boot using the device alias zip from the first bootable partition found.
Added the "
After the Happy Mac Icon" category.
Control
Break into MacsBug as soon as it is loaded.
Shift
Disables all extensions, INCLUDING MacsBug.
Space
Causes Apple's Extension Manager (or Conflict Catcher) to appear during startup to allow you to change your extensions.
Shift-Option
Disables all extensions, including MacsBug, EXCEPT MacsBug.