Re: PLAs, anyone?

On 2019-07-27 11:10, silverdr_at_wfmh.org.pl wrote:
>> On 2019-07-27, at 16:31, Gerrit Heitsch <gerrit_at_laosinh.s.bawue.de> 
>> wrote:
>> 
>> On 7/27/19 4:19 PM, silverdr_at_wfmh.org.pl wrote:
>>> Seems that with today's repair I ran out of my once "lifetime stock" 
>>> of PLAs. Anyone willing to part with a few? Yeah, I know it's a long 
>>> shot…
>> 
>> Try to find some unprogrammed PLS100, there are people who can program 
>> those and you will have the original PLA again. :)
> 
> Ordered some – hopefully working, unprogrammed ones. Now who / what
> can program those? I remember we had a thread here, where Ruud and
> Francesco wanted to do something about programming those chips but
> don't know the eventual outcome. Any success out there, guys?

I think you have to have a really old PROM programmer (and of course 
subsequently really old computer to run it). I have not seem any modern 
tool to do this, although maybe someone has come up with a homebrew 
method. It's quite a pain with the voltages needed.

http://www.vcfed.org/forum/showthread.php?65484-How-to-program-a-82S100-PLS100


-- 
-Pete Rittwage