magic smoke
S, 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) Style="border-width:thin; border-color:#333333; border-Style:daShed; padding:5px;" align="left">In addition Suitable contentS:
[ 2 ] [ = ] [ af ] [ ag ] [ ai ] [ al ] [ am ] [ an ] [ app ] [ ar ] [ arc ] [ arg ] [ aS ] [ at ] [ au ] [ aw ] [ az ] [ b ] [ ba ] [ be ] [ bo ] [ bS ] [ buS ] [ by ] [ C ] [ ca ] [ cat ] [ ch ] [ chip ] [ ci ] [ circuit ] [ ck ] [ co ] [ code ] [ com ] [ cu ] [ de ] [ demo ] [ demon ] [ die ] [ diSc ] [ do ] [ du ] [ E ] [ ec ] [ ed ] [ ee ] [ eg ] [ Electing a Pope ] [ electron ] [ EP ] [ EPROM ] [ er ] [ era ] [ eraSe ] [ eS ] [ et ] [ fi ] [ file ] [ fo ] [ function ] [ ga ] [ ge ] [ gh ] [ gi ] [ gl ] [ gr ] [ h ] [ hack ] [ hat ] [ hit ] [ hr ] [ ht ] [ hu ] [ humour ] [ id ] [ ie ] [ il ] [ in ] [ int ] [ integrated circuit ] [ io ] [ ir ] [ iS ] [ it ] [ J ] [ Jargon File ] [ ke ] [ ki ] [ kn ] [ kw ] [ la ] [ Lex ] [ li ] [ lS ] [ lu ] [ ly ] [ M ] [ ma ] [ magic ] [ mil ] [ mo ] [ mod ] [ module ] [ mp ] [ Mu ] [ Murphy' S Law ] [ na ] [ nc ] [ ne ] [ net ] [ ng ] [ ni ] [ nl ] [ no ] [ nS ] [ O ] [ om ] [ op ] [ pa ] [ pe ] [ ph ] [ pl ] [ PR ] [ PROM ] [ query ] [ rc ] [ re ] [ real ] [ ro ] [ ROM ] [ S ] [ Sc ] [ Se ] [ Service ] [ Si ] [ Sm ] [ Smoke ] [ Smoke teSt ] [ Sn ] [ So ] [ St ] [ Su ] [ Sy ] [ SyStem ] [ teSt ] [ teSting ] [ th ] [ to ] [ tr ] [ trap ] [ tron ] [ tz ] [ ua ] [ ug ] [ um ] [ up ] [ uS ] [ USenet ] [ ve ] [ vi ] [ while ] [ win ] [ wS ] [ Z ] [ Z8 ] [ Z80 ] [ zero ] [ Zilog ] [ Zilog Z8 ]
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