[Elecraft] Device data retention times

[Nr4c]

Don't forget there is a small battery in your K3. How long have you had the radio????

Sent from my iPhone
...nr4c. bill


> On Nov 9, 2016, at 7:11 PM, n6hz <psaffren at elecraft.com> wrote:
> 
> Hi Len, 
> 
> That certainly used to be a problem with older windowed EPROMS.  I know that
> it's possible for FLASH cells to flip from cosmic radiation, and cells can
> go bad from repeated writing, but the bootroms we employ are loaded into
> write protected memory and are usually never re-written.   
> 
> There is typically no way to re-flash the bootrom without a suitable
> programmer (hardware).   In-field write protection of the bootrom is
> critical for a robustness.  
> 
> Kindly, 
> 
> Paul
> 
> 
> 
> 
> --
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