Mac Keys Functions

1. mouse down >> Eject removable media
2. opt >> Bring up OF system picker on New World machines
3. cmd-opt >> Hold down until 2nd chime, will boot into Mac OS 9 ?
4. cmd-x (or just x?) >> Will boot into Mac OS X if 9 and X are on the same partition and that’s the partition you’re booting from.
5. cmd-opt-shift-delete >> Bypass startup drive and boot from external (or CD). This actually forces the system to NOT load the driver for the default volume,
6. cmd-opt-shift-delete-# >> Boot from a specific SCSI ID # (# = SCSI ID number)
7. cmd-opt-p-r >> Zap PRAM. Hold down until second chime.
8. cmd-opt-n-v >> Clear NV RAM. Similar to reset-all in Open Firmware.
9. cmd-opt-o-f  >> Boot into open firmware
10. cmd-opt-t-v >> Force Quadra AV machines to use TV as a monitor
11. cmd-opt-x-o >> Boot from ROM (Mac Classic only)
12. cmd-opt-a-v >> Force an AV monitor to be recognized as one
13. c >> Boot from CD. If set to boot to X and no CD is present, may boot to 9.
14. d >> Force the internal hard disk to be the startup device
15. n >> Hold down until Mac logo, will attempt to boot from network server (using BOOTP or TFTP)
16. r >> Force PowerBooks to reset the screen
17. t >> Put FireWire machine into FireWire Target Disk mode
18. z >> Attempt to boot using the devalias zip from first bootable partition found
19. shift >> (Classic only) Disable Extensions
20. shift >> (OS X, 10.1.3 and later) Disables login items. Also disables non-essential kernel extensions (safe boot mode)
21. cmd >> (Classic only) Boot with Virtual Memory off
22. space >> (Classic only) Trigger extension manager at boot-up
23. cmd-v >> (OS X only) show console messages during boot
24. cmd-s >> (OS X only) boot into single user mode

Mutahhar Bashir

Passionate blogger, have excellent problem solving skills, quick learner, love to accomplish difficult tasks, improving my skills while helping others through this blog.

Leave a Reply

%d bloggers like this: