[TenTec] Paragon is it dead?

[Carl Moreschi]

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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