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Lexikon


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 ef="module.php?name=Lexikon&file=search&eid=1&query=electing a Pope">electing a Pope, ef="module.php?name=Lexikon&file=search&eid=1&query=smoke test">smoke test. ef="module.php?name=Lexikon&file=search&eid=1&query=Usenet">Usenetter Jay Maynard tells the following story: "Once, while hacking on a dedicated ef="module.php?name=Lexikon&file=search&eid=1&query=Zilog Z80">Zilog Z80 system, I was testing code by blowing ef="module.php?name=Lexikon&file=search&eid=1&query=ePROM">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 ef="module.php?name=Lexikon&file=search&eid=1&query=Intel">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 ef="module.php?name=Lexikon&file=search&eid=1&query=Murphy' s Law">Murphy' s Law. [ef="module.php?name=Lexikon&file=search&eid=1&query=Jargon File">Jargon File] (1995-01-25)

e="border-width:thin; border-color:#333333; border-style:dashed; padding:5px;" align="left">In addition suitable contents:
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