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Does Power Nap work on late 2012 iMac?

2000 Views 8 Replies Latest reply: Jan 19, 2013 8:33 PM by BrownCow27 RSS
Kevin Holliday Level 1 Level 1 (0 points)
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Dec 17, 2012 3:33 PM

I have a new 27" iMac on the way.  I got the fusion drive option.  Just curious if folks who have got their 21", or even the few folks that have already got their 27", can answer my question. 

 

This Apple support document is silent on Power Nap compatibility with the new iMacs, but it was last updated prior to their announcement.

  • Kappy Level 10 Level 10 (221,035 points)
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    Dec 17, 2012 3:36 PM (in response to Kevin Holliday)
  • Kappy Level 10 Level 10 (221,035 points)
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    Dec 17, 2012 8:42 PM (in response to Kevin Holliday)

    I suppose, then, you don't believe Apple's own document? Very strange.

  • Shootist007 Level 6 Level 6 (16,640 points)
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    Dec 18, 2012 12:31 AM (in response to Kevin Holliday)

    If Apple has not updated that document just how would anyone on this forum know if that feature is supported on a Desktop System.

     

    If you read that Doc is says nothing of any desktop Mac's that support that feature. Why because by nature a desktop does not need that feature.

     

    Only time will tell.

  • mende1 Level 10 Level 10 (89,490 points)
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    Dec 19, 2012 9:58 AM (in response to Kevin Holliday)

    To use Power Nap, your computer must use flash memory (not a hard disk or solid-state drive)

     

    Fusion Drive includes flash storage and a hard disk. OS X automatically moves files to the hard disk if you don't often use them, so the iMac doesn't support Power Nap. Your computer must use flash storage only

    iMac (21.5-inch Late 2009), OS X Mountain Lion (10.8.2)
  • dosers Level 2 Level 2 (390 points)
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    Dec 28, 2012 11:36 PM (in response to mende1)

    I have a 27" iMac with the 768GB SSD option (i.e. pure Flash), and PowerNap is not available either (it is on my rMBP and Air 2012).

    So, having all-flash clearly is not the only determining factor right now....

  • BrownCow27 Calculating status...
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    Jan 19, 2013 8:33 PM (in response to Kevin Holliday)

    I don't happen to have an iMac, but I looked at the Apple website and here http://www.apple.com/osx/whats-new/ at the bottom of the page, it states "Power Nap requires a Mac notebook with built-in flash storage. May require a firmware update." Notice how it clearly states 'notebook' and not just computer. From this, you can see that Apple never actually intended to support Power Nap in Mac desktops. Unfortunately, from the looks of it, Apple thinks that only the notebooks need the Power Nap feature. Too bad. Who knows, maybe they changed their mind and didn't bother updating that page...? But they don't usually forget stuff like that. Unfortunately, your iMac will probably never be able to take advantage of this great software. :(

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