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Products => Computers => Programming => Topic started by: jonpaul on February 14, 2020, 04:59:50 pm

Title: Tl866 prom programmer bricked, Intel 2716
Post by: jonpaul on February 14, 2020, 04:59:50 pm

Bonjour à tous,

Years ago I bought the MiniPro Tl866 programmer, and used it for years mainly with the Dallas Semi NVRAM.

Today I had to read the code of a 1977 cipher machine, an Intel 2716, but the reader fails to see the prom.

Same with other similar parts.

I made the mistake of updating the firmware!
 
Now its bricked "pirated" serial not valid" even though it is the genuine original model.

I found the proceedure  to  update to the tl866A version, same result.

Seems like a Chinese scheme to brick old units abd generate new sales?

Any assistance appreciated, as the programmer is urgently need for some historic research of my non-profit organization.

Perhaps just a valid serial number? Or defective update file?

Mille mercis pour votre gentil aide !

Jean-Paul

Title: Re: Tl866 prom programmer bricked, Intel 2716
Post by: kripton2035 on February 14, 2020, 05:11:34 pm

some "modern" arduino solution ?
https://www.element14.com/community/blogs/SalsCorner/2015/07/27/eprom-reader-project (https://www.element14.com/community/blogs/SalsCorner/2015/07/27/eprom-reader-project)


or also

https://danceswithferrets.org/geekblog/?p=315 (https://danceswithferrets.org/geekblog/?p=315)

Title: Re: Tl866 prom programmer bricked, Intel 2716
Post by: jonpaul on February 15, 2020, 09:40:12 am

Hello Kripton: Many thanks I am NOT a software maven and last programmed in 1964 on IBM 360, Fortran II!

As I have the MiniPro and the HW is fine, I am looking for any one else with this device and any possible solutions. Lots of others have the same issues, as its $50 and very popular.

Kind Regards,

Jon

Title: Re: Tl866 prom programmer bricked, Intel 2716
Post by: kripton2035 on February 15, 2020, 10:28:37 am

did you try the "dangerous method" of this post : https://www.eevblog.com/forum/blog/eevblog-411-minipro-tl866-universal-programmer-review/msg383943/#msg383943 (https://www.eevblog.com/forum/blog/eevblog-411-minipro-tl866-universal-programmer-review/msg383943/#msg383943)


did you also try the method (some posts after) with soldering a resistor to force update mode ?

Title: Re: Tl866 prom programmer bricked, Intel 2716
Post by: kripton2035 on February 15, 2020, 10:32:46 am

you can also use this : https://github.com/radiomanV/TL866
there is a method to generate a new serial.