I stand corrected. The memory information is held by U2 located on the
RAM-ROM-RTC board.
73
Bob, K4TAX
----- Original Message -----
From: "Phil Chambley Sr" <k4dpk@comcast.net>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Sunday, August 07, 2005 3:10 PM
Subject: Re: [TenTec] Paragon II Memory Back-up
> I'm don't think it's as simple as changing a battery. There is no battery
> on the logic board that I can find. It appears to be internal to the
> chip.
> That's why I asked whether anyone had experience with powering up one of
> the
> uPC pins to replace a dead cell, by rigging an outboard battery.
> Otherwise,
> it seems to me the uPC would need replacement.
>
> Mine is still OK, too, Bob. But according to the manual, the expected
> life
> of the "microprocessor's internal power cell" is about up.
>
> Maybe I'm missing something here.
>
> 73
> Phil
>
> ----- Original Message -----
> From: "Robert & Linda McGraw K4TAX" <RMcGraw@Blomand.Net>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Sunday, August 07, 2005 3:05 PM
> Subject: Re: [TenTec] Paragon II Memory Back-up
>
>
>> Then what? The battery dies, the memory locations and data contained
>> there-in is lost and the unit returns to factory ROM settings as though a
>> master reset has been done. My Paragon II is about 10 years old and has
> the
>> original battery.
>>
>> If you are concerned, replace the battery. Of course, when you remove
>> the
>> battery the current data will be lost. So either way, you're gonna loose
>> data. This is no different than any other device using a microprocessor
>> with battery RAM data back-up technique.
>>
>> 73
>> Bob, K4TAX
>>
>>
>> ----- Original Message -----
>> From: "Phil Chambley Sr" <k4dpk@comcast.net>
>> To: <tentec@contesting.com>
>> Sent: Sunday, August 07, 2005 1:47 PM
>> Subject: [TenTec] Paragon II Memory Back-up
>>
>>
>> > Greetings List:
>> >
>> > I'm interested in whether anyone has had a Paragon II long enough for
> the
>> > processor power cell to expire.
>> >
>> > Paragraph 2-8.2 in the manual states:
>> >
>> > "The microprocessor's internal power cell is rated for a life of 8-10
>> > years."
>> >
>> > Then what? Electronic Alzheimer's?
>> >
>> > Is there a pin on the uProcessor where another battery might be
> connected?
>> > (Haven't looked)
>> >
>> > My P-II just had its tenth birthday.
>> >
>> > Phil Chambley, Sr.
>> > K4DPK
>> >
>> > VFO Stabilizers and PEP adapters for wattmeters...Check out
>> > http://home.comcast.net/~k4dpk
>> > _______________________________________________
>> > TenTec mailing list
>> > TenTec@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/tentec
>> >
>>
>>
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>
>
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