HT2368: About the SMC Firmware UpdatesLearn about About the SMC Firmware Updates
Currently Being ModeratedApr 24, 2012 8:35 PM (in response to rvzdl)
Never perform a firmware update unless the computer is connected to the AC adaptor and the battery is fully charged or close to fully charged. Should you lose power during the update your computer would become unusable.
Currently Being ModeratedApr 24, 2012 8:41 PM (in response to Kappy)
There have been anecdotes that the computer will appear to go through the motions, but nothing will be installed.
So if you do not do it the way they say, you may be wasting your time, as well as what Kappy says about it being incredibly dangerous to the health of your Mac.Mac Pro (Early 2009), Mac OS X (10.6.8), & Server, PPC, & AppleTalk Printers