hi, im board with being graduated from high school. ive decide to start looking pen testing old macs. i know there is the demux mod the 15" and 17" 2011 and disabling the gpu on the 2012 macbook pros defective gpus. and the early 2013's but im working on making a survival gudie series with open core on how to upgrade to the latest operating system. if any one knows how to write firmware code that will allow 2008 machine accept 8gb of ram please dm and we can talk payment. also im wanting to know how to disable the gpus for each and everyone of the 15" and 17" models so i can create a video guide series on this. thank you.