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  1. T

    MP 1,1-5,1 Mac Pro 1,1 not recognizing RAM on DIMM2 and DIMM4 on raiser A

    I have a Mac Pro 1,1 -> 2,1 with 8x4GB ram sticks. As it’s usual for these machines I tried to swap them between raisers, slots, etc and consistently the raiser A (the top one) keeps not recognizing any RAM in both DIMM2 and DIMM4. While the same configuration in the raiser B is always fully...
  2. outatime

    64GB RAM Upgrade for Mac Pro 3,1 (Early 2008)

    Hi there, I wanted to upgrade the RAM of my old Mac Pro 3,1 - 2x4 Quad Intel Xeon (Early 2008) up to 64GB of RAM. At this moment, I have 10GB of 800Mhz Kingston RAM installed and with El Capitan 10.11.6 and Adobe CC. It's definitely to slow now. I'm not sure, if I should go for 8x8GB 800Mhz...