Hi guys, here's my situation and question: I've got an early Mac Pro desktop (August 06) 2 X 2.66 Ghz. It came with 2 GB of RAM and 500 GB or HD space.
I recently added another internal HD at 1 TB (thought the requirements are supposed to be no more than 750 GB for each slot= 3 TB total). I did this because at my work we've done it to two of our G5's and they're running smooth even though you're not supposed to put more than 500 GB in those slots. At any rate, it worked and I had no problems. Two days later I added an additional 4 GB of RAM ( 2 X 2 GB). It's not official Mac ram, but the requirements match up. In my first board I have 2 X 512 MB and 2 X 2 GB. In the second board I have 2 X 512 MB for a total of 6 GB. This worked well for the first 15 minutes. I put my computer to sleep and came back to it about 5 hours later. Suddenly a loud humming noise started happening (it does not sound good at all). Though I would think it was the Hard Drive, I feel it's the RAM because it happened pretty much right after I installed the RAM. Any thoughts?