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Re: R4600PC upgrade

Subject: Re: R4600PC upgrade
From: Ulf Carlsson <>
Date: Thu, 8 Oct 1998 12:21:49 +0200 (CEST)
In-reply-to: <Pine.LNX.3.96.981008115329.995B-100000@calypso.saturn>
Two major types of data errors can occur in data transmission:

        * hard errors, which are permanent, arise from broken
          interconnects, internal shorts, or open leads.

        * soft errors, which are transient, are caused by system noise,
          power surges, and alpha particles.

Hard errors must be corrected by physical repair of the damaged
equipment and restoration of data from backup. Soft errors can be
corrected by using error checking and correcting codes


Oups... sounds really bad.

- Ulf

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