Model A1419 / EMC 3070 / Mid 2017 / 3.4, 3.5 or 3.8 GHz Core i5 or 4.2 GHz Core i7 Kaby Lake Processor (ID iMac18,3) / Retina 5K display. Refer to the older iMac Intel 27" Retina 5K Display (Late 2014 & 2015) guides as the system is very similar.

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Does the 2017 27-inch iMac 5K have a lithium CMOS battery?

As noted here iMac Intel 21.5" Retina 4K Display 2017 Teardown picture 10, does the 2017 27" 5K iMac have a lithium CMOS battery?

I am guessing yes, but I wait for the experts.


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All of the iMac's have a CMOS battery to maintain the clock and settings. Here is the backside of the logic board where you'll see the Panasonic battery - 27" iMac


Dan, that is not the logic board for a 2017 27" 5K iMac.


That is correct it is not the very newest model! But, it's the exact same location and config as I referenced below you can see it in the OWC vid.


What OWC video? I think you are confused....


I think he means the one he posted in his comment below:


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That's the 21.5" teardown, we don't have the new 27" model but if you watch the OWC vid here you'll get a glimpse of it - teardown of the 2017 27-inch Apple iMac. I've pasted an image of the previous model which is exactly the same above.

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