magic smoke - definizione. Che cos'è magic smoke
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Cosa (chi) è magic smoke - definizione


magic smoke         
<electronics, humour> A substance trapped inside {integrated circuit} packages that enables them to function (also called "blue smoke"; this is similar to the archaic "phlogiston" hypothesis about combustion). Its existence is demonstrated by what happens when a chip burns up - the magic smoke gets let out, so it doesn't work any more. See Electing a Pope, smoke test. Usenetter Jay Maynard tells the following story: "Once, while hacking on a dedicated Zilog Z80 system, I was testing code by blowing EPROMs and plugging them in the system, then seeing what happened. One time, I plugged one in backward. I only discovered that *after* I realised that Intel didn't put power-on lights under the quartz windows on the tops of their EPROMs - the die was glowing white-hot. Amazingly, the EPROM worked fine after I erased it, filled it full of zeros, then erased it again. For all I know, it's still in service. Of course, this is because the magic smoke didn't get let out." Compare the original phrasing of Murphy's Law. [Jargon File] (1995-01-25)
magic smoke         
The stuff inside expensive electric things that you can smell if you accidentally zorch them on a dry winter day. Once you let it out, that thing will never work again.
I touched my Palm Pilot after shuffling across the rug, and I think I let out the magic smoke because now it doesn't work.
Magic smoke         
Magic smoke (also factory smoke, blue smoke, or the genie) is a humorous name for the caustic smoke produced by severe electrical over-stress of electronic circuits or components, causing overheating and an accompanying release of smoke. The smoke typically smells of burning plastic and other chemicals.

Wikipedia

Magic smoke
Magic smoke (also factory smoke, blue smoke, or the genie) is a humorous name for the caustic smoke produced by severe electrical over-stress of electronic circuits or components, causing overheating and an accompanying release of smoke. The smoke typically smells of burning plastic and other chemicals.