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safitorn

macrumors newbie
Original poster
May 18, 2022
7
2
London, England
So I had a couple mac pros, 2019s.
I used 2400T 32GB modules and some of the mac pros accepted it and some not.
I was making sure the modules are identycal and did not mix LRD s with R ones.
Is there any motherboard revision change or something making these modules work or not?
I have noticed the ones with Apple serial printed on motherboard takes the modules then the ones without does not.
 
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