Archived posting to the Leica Users Group, 2009/03/27

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Subject: [Leica] Flash lifespan
From: scheng at aotera.org (Spencer Cheng)
Date: Fri, 27 Mar 2009 16:03:46 -0400
References: <116423.35549.qm@web55908.mail.re3.yahoo.com> <0C5E51051806A4406857DC2B@scarborough.isc.org>
 
On Mar 27, 2009, at 15:00, Brian Reid wrote:
> [...]
> Wasn't it EPROMs that were erased with a giant flash, despite what  
> Toshiba's press office says? Flash is electrically erasable; EPROMs  
> use optical (UV) erasure.
>

Yes. I use to write firmware a long time ago and had to use the UV  
eraser. Did you know that EPROMS glow a nice cherry red if one install  
it on the board backward? :)

Regards,
Spencer
In reply to: Message from h_arche at yahoo.com (H. Ball Arche) ([Leica] Flash lifespan)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Flash lifespan)