Article View: comp.sys.ibm.pc.misc
Article #10215Re: Pizza Hut erases diskettes
From: Joe Trott
Date: Thu, 31 Dec 1992 15:53
Date: Thu, 31 Dec 1992 15:53
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avinash@sam.contex.com (Avinash Chopde) writes: >This brings up another question---I have seen many persons (me too), >keep floppies close to the monitor. >And the monitor is turned on and off once a day. >I have done this for more than two years now, but my floppies are still >readable, so it seems that the magnetic field on a floppy is quite >strong and does not get destroyed easily. >Yet, have heard horror stories of floppies near huge loudspeakers, >or over a TV, etc, are these stories really true, or are they urban >legends? They are mostly true. Loudspeakers and TVs (in fact _any_ appliance with transformers including flourescent ballasts) emit _alternating_ magnetic fields, which can destroy the data on a floppy instantly if strong enough. In your case, the floppies probably aren't close enough, and/or they are on a side of the monitor away from the flyback and any other transformer. Also, your monitor probably has a cage around the loudest emitters. -JTT
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Newsgroups: comp.sys.ibm.pc.misc Path: arc1-ca.pugleaf.net!sparky!uunet!dcatlas!joet From: joet@dcatlas.dot.gov (Joe Trott) Subject: Re: Pizza Hut erases diskettes Message-ID: <1992Dec31.155326.3968@dcatlas.dot.gov> Organization: U.S Dept. of Transportation References: <1992Dec30.000429.24047@panix.com> <1992Dec30.213211.5311@cbfsb.cb.att.com> <3241@contex.contex.com> Date: Thu, 31 Dec 1992 15:53:26 GMT Lines: 22