Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.csd.uwm.edu!srcsip!tcnet!nis!dicome!uci!jhereg!vware!andyw
From: andyw@vware.MN.ORG (Andy Warner)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Interupt conflicts
Keywords: PC Bus
Message-ID: <942@vware.MN.ORG>
Date: 18 Aug 89 19:12:07 GMT
References: <1875@uceng.UC.EDU> <[24ea313d:5029.1]comp.ibmpc;1@ddsw1.MCS.COM> <5832@tekigm2.MEN.TEK.COM>
Organization: VisionWare, Minneapolis, MN
Lines: 29

In article <5832@tekigm2.MEN.TEK.COM>, timothym@tekigm2.MEN.TEK.COM (Timothy D Margeson) writes:
> [stuff deleted]
> Have any of you ever seen electronics??? A TTL gate is designed to take
> short circuits to ground indefinately (so long as the dissipation spec of the
> chip is not exceeded).

  I agree, sort of, I thought that most interrupt lines were open drain or
  open collector, with the line pulled high. So if two boards pull the line
  low - who cares ?

>  [stuff deleted]
> Summary? Place two add-ins in the same interrupt, what do you get? 
> 	 Some software that won't work!
  Correct.

> [stuff about static damage deleted]
  Yes, you may well have blown the card up with static, but if your dealer is
  as ignorant as he sounds, HE is just as likely to have done it ..

  Anyway, just for the records, why don't you tell us who he is so we can all
  avoid him :-) :-)
--
andyw

Andy Warner         US email : andyw@vware.MN.ORG ..or..
VisionWare		       ..!{amdahl,hpda,uunet!bulus3}!bungia!vware!andyw
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