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culser

macrumors member
Original poster
Aug 20, 2023
52
1
Hi

I just received a 2012 Mac Pro - H-Sierra / 16GB RAM / 2.66 12 core ( dual core ) /
I was able to run "Install OS Mojave" and the firmware is now 144.000.000xxxx

A couple of issues i found , just wanted some feedback on them.
a) In the "About this Mac" it just says "Mac Pro" there is no 2012 displayed

b) When i add memory ( ram from another MAc Pro - it was actually memory removed from another MP due to failure ) the power light flashes repeated and the system will not boot. There are no CPU board red lights. just the power button flashes. When i remove the added RAM, the system returns to normal. Could the Ram be bad ? could the CPU ram slots be bad ? The system came with 4 4GB modules - the 1st 2 slots on both sides.

Please advise.
 
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