[TenTec] Paragon is it dead?

[Louis Ciotti]

That is great Carl, When the CPU comes in (Hopefully by the weekend) I 
will have to see if anything changes.

Carl Moreschi wrote:
> I have Paragon code that I developed that adds some features.  I can't 
> burn eproms anymore but I can help you here.
>
> Carl Moreschi N4PY
> 58 Hogwood Rd
> Louisburg, NC 27549
> www.n4py.com
>
> On 9/14/2016 12:42 PM, Louis Ciotti wrote:
>> Fresh battery is in place.
>>
>> I really thing it is either a dead CPU or the EEPROM got scrambled.  I
>> found a source for a low cost CPU so I ordered it.
>>
>> When looking at the signals with the O'scope, the IRQ line does not look
>> right:
>>
>> https://goo.gl/photos/6ohJcT8Lu4qrSsVp9
>>
>> All the other logic line look nice with out the finky ripple on the 
>> lines.
>> If I remove the CPU this line goes to nice smooth a logic high, which is
>> what ll the digital line with a logic high on it look like.
>>
>> If I swap the CPU and that does not cure it, I am going to say the 
>> EEPROM
>> is dead.
>>
>> I wonder if TenTec would have the source code for the 6805 assembly 
>> code,
>> or the EPROM image stored somehwere and I can re-burn since it looks 
>> like I
>> can still get the eprom as well, I just would need to get a burner.
>>
>>
>> On Tue, Sep 13, 2016 at 2:41 PM, Stuart Rohre<rohre at arlut.utexas.edu>
>> wrote:
>>
>>> One of the posts mentioned checking to see if the back up battery is 
>>> fresh
>>> (and full voltage).  If the coin type batteries or similar are used, 
>>> they
>>> may need replacement in 3 to 7 years depending on type.
>>>
>>> Memories are pretty reliable, unless they have been plugged in and 
>>> out too
>>> much as in computer ram sticks.
>>>
>>> Stuart Rohre
>>>
>>> K5KVH
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