Updating firmware on an imac non sedating anti

The EFI update brings OS X Lion Internet Recovery, which is accessible by booting into Recovery mode and allows a user to reinstall OS X Lion, to each Mac from 2010.Updating the firmware requires a reboot as usual and the Mac should be connected to a power source before proceeding.What Bill likes to do is scrounge up smaller, generally faster replacement hard drives, usually in the 10-15 GB range, and put those in the old tray-loading i Macs.One issue the tray-loading i Macs, beige G3 Power Macs, Wall Street Power Books, and Clamshell i Books share is a transitional hardware architecture that runs into problems with IDE/Ultra ATA drives on the built-in drive bus under Mac OS 9 and OS X.I am able to update SPA504G firmware using a PC on Win-7 just fine.I am asking this question on behalf of a client, who says they can't follow the instructions I gave them for updating firmware on his SPA504G using his Mac computer, because he says he can't run the on a Mac.

-- i Mac 10.8.5 Supplemental Update 1.0 The i Mac OS X v10.8.5 Supplemental Update 1.0 is recommended for i Macs (Late 2013) using NVIDIA Ge Force GT 750M graphics and running OS X Mountain Lion v10.8.5.The two i Macs I upgraded were both 2001-vintage slot-loading models: a 350 MHz model with 192 MB of RAM (the original 64 MB plus a 128 MB upgrade DIMM), and a 400 MHz model with only the original 64 MB of RAM.These two machines presented somewhat different problems.The Mac Book Air update also includes a minor bug fix to resolve an issue where the machine could inadvertently restart if the power button is pressed when waking from sleep.Apple describes Internet Recovery as follows: If your Mac problem is a little less common — your hard drive has failed or you’ve installed a hard drive without OS X, for example — Internet Recovery takes over automatically.The first machine, running Mac OS 9.0, was sitting in my office gathering dust; its hard disk contained nothing that needed to be saved.


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