Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

red leds

  1. garibaldo

    MP 1,1-5,1 3, 1 Red Leds, no Start up...

    My cMP 3, 1 do not start, and I have this red leds on, at main board, just behind RAM... Could someone point the causes of this, and the solution?
  2. T

    MP 1,1-5,1 Delidded CPUs on a 5,1 Mac Pro (2010) experiment!

    Has anyone ever tried to upgrade CPUs on a 2010-2012 5,1 Mac Pro using delidded CPUs? Reasons could be either thermal performance, recycling a pair of CPUs coming from an older 4,1 Mac Pro (the dual cpu tray needed delidded CPUs), or just for science! I tried this experiment, upgrading a 2010...