Path: utzoo!attcan!uunet!lll-winken!ames!hc!eggroll!pprg.unm.edu!unmvax!tut.cis.ohio-state.edu!ucbvax!BRL.MIL!gwyn From: gwyn@BRL.MIL (Doug Gwyn, VLD/VMB) Newsgroups: comp.sys.sgi Subject: Re: Problem with AME? Message-ID: <8902091500.aa20794@VGR.BRL.MIL> Date: 9 Feb 89 20:00:16 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 7 I generally cut MY keyboard contact cleaner from a business card, but otherwise what Moss said is what I would have said. Keyboard contacts generally "bounce" (make-and-break repeatedly), and there is a "debounce" circuit that waits a certain amount of time until the oscillations should have died down. A defective contact can bounce more than the circuitry allows for.