Xref: utzoo unix-pc.general:3109 comp.sys.att:6731 sci.electronics:6640 Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!uunet!portal!cup.portal.com!mmm From: mmm@cup.portal.com (Mark Robert Thorson) Newsgroups: unix-pc.general,comp.sys.att,sci.electronics Subject: Re: Conductive Dust Bunnies Message-ID: <19559@cup.portal.com> Date: 17 Jun 89 06:17:09 GMT References: <1989Jun14.042949.597@ivucsb.sba.ca.us> <19512@cup.portal.com> Organization: The Portal System (TM) Lines: 13 I had a pdp-11/15 (still have it, wanna buy it?) in which about half the instruction set was intermittent. I noticed that years of use had left some of the chips near the fan caked with dust. I pulled out all the boards and washed them with detergent, and that fixed everything up, no more problems. BTW, conductive dust was an early objection to the introduction of widespread use of graphite-reinforced plastics. When I first heard this, it gave me a great idea for "nuking" a computer center. Get a bunch of graphite fiber, chop it up, and dump it into the air conditioner intake for the building housing the computer center. Of course, I never did it. And you shouldn't either. ;-)