Why the battery in my MacPro 2012 would be idle?

I had this macpro 2012 5.1 for about a year. I bought it on eBay. It's a great machine.

I just removed the side panel to upgrade the video card and noticed something that seemed strange to me. When I took the video card, I noticed below on the motherboard, a battery with a battery in it (the usual type of C - Mos in Windows) support.  But there was a nonconductive sleve of plastic between the battery hold down the arms and the top of the stack (so he couldn't establish the electrical contact.  Someone even took a magic marker and made a scratch on the plastic and the battery itself as it to indicate a point of the range, to the case where someone took battery and and put it back, they would be sure and return the piece of plastic, exactly where she was.

I obviously was not aware of the shortcomings in the functioning of the Macpro, so what is happening here?  What is this battery? Why would he not connected?  It is a real perplexity.  I have not tested the battery, but I bet it's very good because he has never been active.  I hope someone can explain that. I stopped the installation of my new video card until I got this figured out. I hope someone can help!

Thank you and Merry Christmas!

The battery keeps the clock running if the computer has no power.  It is not essential if the computer is connected to the internet, because the operating system can obtain the exact network time every time it starts.  If the computer does not have o be connected to power for a long time, isolate the battery with this piece of plastic will make the battery last much longer.  Now, you are going to use the computer, remove the plastic.

Tags: Mac

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