[Elecraft] [KPA500] Rear power switch thread [End of thread]

[Eric Swartz - WA6HHQ, Elecraft]

Folks - We've beaten this to death at this point ;-)  Let's table this 
thread for now.

73, Eric
List Moderator

www.elecraft.com


On 12/1/2011 4:18 PM, Wayne Burdick wrote:
> Hi Don,
>
> If we did decide to use battery-backed up RAM in a product, it would
> be shadowed by an EEPROM, and both would be checksummed to ensure fail-
> safe operation. That seemed like overkill in 2007 when we were
> finalizing the parameter storage implementation for the K3.
>
> Wayne
> N6KR
>
> On Dec 1, 2011, at 4:07 PM, Don Wilhelm wrote:
>> Are we going "full circle"?  Battery backed RAM was the "thing" when
>> the IBM PC was announced (way back when), and then as technology
>> progressed, that changed to EEPROM which did not require voltage to
>> retain the settings.  I hope we are not going back to that voltage
>> dependent situation for the K3.  As I recall from the IBM computer
>> example, if the data was something different than the currently
>> displayed frequency, it might be lost with the power outage example.