home *** CD-ROM | disk | FTP | other *** search
- Path: sparky!uunet!pmafire!news.dell.com!swrinde!sdd.hp.com!usc!elroy.jpl.nasa.gov!orchard.la.locus.com!devnet.la.locus.com!dana
- From: dana@locus.com (Dana H. Myers)
- Newsgroups: sci.electronics
- Subject: Re: How hot can the 486-50 cpu run ?
- Summary: Doesn't solder melt below 400 deg C ?
- Message-ID: <1992Aug18.151205.2809787@locus.com>
- Date: 18 Aug 92 15:12:05 GMT
- References: <1992Aug13.022914.1563@ariel.ec.usf.edu> <17AUG92.09220477@wl.aecl.ca> <0095F463.09AD9C00@FHYDRA.FYSEL.UNIT.NO>
- Organization: Locus Computing Corporation, Los Angeles, California
- Lines: 22
-
- In article <0095F463.09AD9C00@FHYDRA.FYSEL.UNIT.NO> dahls@fhydra.dnet.unit.no (Joern Yngve Dahl-Stamnes) writes:
- >Thus spoke the keyboard of jeremiahw@wl.aecl.ca:
- >>I heard that the 486 could get up to 400 deg Celcius if the appropriate program
- >>was run (one designed to turn on as many transistors as possible) I am
- >>skeptical about the number 400 but needless to say it does run hot. Many VARs
- >>and OEMs have had problems designing clones simply because of the heat problem.
- >
- >At 400 deg Celcius the chip won't work very good - if it work at all.
- >It depend a bit of how long time the chip is at this high temperature.
- >I may work at 400 for a very short time, but not for any long time.
-
- I don't have a reference handy, but I recall that solder melts at a lower
- temp than 400 C. I mean, 400C is 750 deg F.
-
- I can imagine the 486-50 running at 100-120 C, but not 400 C, even briefly.
-
-
- --
- * Dana H. Myers KK6JQ | Views expressed here are *
- * (213) 337-5136 | mine and do not necessarily *
- * dana@locus.com DoD #466 | reflect those of my employer *
- * "Dammit Bones, spare me the lecture and give me the shot!" *
-