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#logic board failure
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MP 1,1-5,1 CPU B failure - Mac Pro 1,1 2,1.
So, I have swapped out Logic Board, Ram, Ram Trays, CPUs, CMOS Batteries, Drives, quite literally everything in this Mac Pro, and it still doesn’t work. On both the motherboards, with two different sets of Xeon CPUs it says that there is a problem with CPU B with the red light on the Logic...
