On Boot
Those keystrokes should be pressed at start-up (boot) time. All letter keys are lowercase.
Mouse Button
After the Happy Mac icon
Those keystrokes should be pressed RIGHT AFTER the Happy Mac. All letter keys are lowercase.
Control
After Start-Up
Those keystrokes should be pressed AFTER start-up (boot) time. All letter keys are lowercase.
Power
Application Specific Keystrokes
Those keystrokes should be pressed within the application. All letter keys are lowercase.
Conflict Catcher
P
RAM Doubler
~(Tilde) or Escape
Apple System Installer
Command-Shift-K
Claris Emailer
Command at launch
Those keystrokes should be pressed at start-up (boot) time. All letter keys are lowercase.
Mouse Button
Ejects a floppy disk at startup.
CForce certain Macs (PowerPC, 68030, and 68040) to startup from the CD-ROM drive instead of the internal hard drive.
DForces the internal hard disk drive to be the startup device.
NHold down until the Mac logo to attempt boot from the network server (using BOOTP or TFTP).
RForce PowerBooks to reset the screen.
TPut the firewire-equipped Mac in firewire target disk mode.
ZAttempt to boot using the device alias zip from the first bootable partition found.
CommandBoots with Virtual Memory turned off.
OptionStarts without Finder windows open. On Macs with New World ROMs, it brings up the open firmware system picker.
Command-OptionRebuilds the Desktop.
Command-Option-IForce certain Macs (PowerPC, 68030, and 68040) to read the CD disc as an ISO-9000 formatted disk.
Command-Option-Shift-DeleteForces your Mac to start up from its internal CD-ROM drive or an external hard drive.
Command-Option-Shift-Delete-#Forces your Mac to startup from a specific SCSI ID # (#=SCSI ID number).
Command-Option-P-RErases parameter RAM if held down immediately after startup tone.
Command-Option-T-VForces Quadra AV machines to use TV as a monitor.
Command-Option-X-OForces the Mac Classic to boot from ROM.
Command-Option-A-VForces an AV monitor to be recognized correctly.
After the Happy Mac icon
Those keystrokes should be pressed RIGHT AFTER the Happy Mac. All letter keys are lowercase.
Control
Break into MacsBug as soon as it is loaded.
ShiftDisables all extensions, INCLUDING MacsBug.
SpaceCauses Apple's Extension Manager (or Conflict Catcher) to appear during startup to allow you to change your extensions.
Shift-OptionDisables all extensions, including MacsBug, EXCEPT MacsBug.
After Start-Up
Those keystrokes should be pressed AFTER start-up (boot) time. All letter keys are lowercase.
Power
Brings up the Shutdown/Sleep/Restart dialogue box.
Command-Control-PowerIt forces a Power Mac to reboot.
Command-Control-Option-PowerIt forces a Mac to quit all applications and shut down.
Command-Option-EscapeForces the front most application to quit.
Command-PowerDrops a Mac into debugger mode (if MacsBug is installed).
Command-Option-PowerIt puts late-model Power Macs and PowerBooks to sleep.
Command-YEjects a floppy or CD without leaving a disk image behind.
Command-Shift-1Force ejects a floppy disk from the first floppy disk drive (internal).
Command-Shift-2Force ejects a floppy disk from the second floppy disk drive (external or the second internal such as the Mac SE).
Command-Shift-3Takes a picture of the desktop (requires System 7.6 or later).
Command-Shift-4Takes a picture of a specific desktop area (requires System 7.6 or later).
Application Specific Keystrokes
Those keystrokes should be pressed within the application. All letter keys are lowercase.
Conflict Catcher
P
This key pauses the loading of extensions.
Space or Caps LockLaunches Conflict Catcher during startup.
Command-PeriodSkips the remaining extensions that haven't been loaded.
Command-RForces the Mac to Restart while extensions are loading.
Command-SForces the Mac to Shutdown while extensions are loading.
RAM Doubler
~(Tilde) or Escape
Disables RAM Doubler at Startup.
Apple System Installer
Command-Shift-K
Offers a clean install option during System Software installation (System 7.5 and earlier).
Claris Emailer
Command at launch
Bypasses specified startup connections.
Option at launchBrings up rebuild options.
NOTE: If you know of a keystroke during boot, after boot, or applications for the 68k or Power Macintosh systems or need correction, please go to this thread and add the suggestion with a description. I will then update the resource. Thank you.
