iMac Firmware Update 1.2

1. D-Click on the .smi file to open it.
2. D-Click on the firmware installer.
3. Click "Shut Down" in the dialog box.
4. Hold down the programmers interrupt switch (lower hole) with your iReset Buttons or straightened paper clip.
5. Press the start button on your keyboard while still holding down the programmer's switch.
6. Hear a long tone. Wait for it to finish, then release the programmers switch.
7. A startup chime sounds, then a progress bar appears. When it finishes, two more startup chimes sound.
8. Your iMac startups up normally and a dialog box appears "Your iMac's Firmware is up-to-date." Dismiss it and you're done.