Even more interesting.... I've also just replaced the IRED I replaced a few hours ago in my RCX :-( This time, I'm putting a limiting resistor between the IREDs in the RCX to keep the current within limits. The following is pure conjecture on my (...) (24 years ago, 26-May-01, to lugnet.robotics.rcx)
(...) Maybe this is shedding some light on why LEGO removed the Power Port in the 1.5's. To remove a known problem without dealing with it.?.?.? Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (24 years ago, 26-May-01, to lugnet.robotics.rcx)