I have delayed this post for more than a year because i was plain LAZY I only remembered about it when someone emailed me asking if i could explain to him on how to upgrade the RAM on his iMac G5 reversion C. So here it goes. Before i start off, i would want to make it clear that mine is a reversion A G5, 17 inch. There are 4 types of flat iMacs. First would be the one i am having which is reversion A where the processor speed ranges from 1.6Ghz to 1.8Ghz. Second would be the reversion B or ‘Ambient Light Sensor’ line. The difference is the light sensor that’s situated at the bottom of the iMac screen. Processor speed ranges from 1.8Ghz to 2.0Ghz. Rev C has practically what you see in the new iMac with Core Duo processor, just that it runs on G5. It has the remote for FrontRow and iSight, with processor ranging from 1.9Ghz to 2.1Ghz, just to name a few. The layout is slightly different compared to revision A and B. Finally, we have the all new iMac that comes with Intel processor. Now enough with the gibberish. You would need:

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