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Hi forum ,

I found a little problem ,

I can NOT program ( read or write ) a plcc32 m27c512 in the onboard plcc32 socket on my willem version 5.0 .

Anyone ideas ??

chips , and socket have been cleaned with alcohol.
chips leads have been re-aligned

test have been done with 3 plcc32 eprom's to verify , same result.

first indication looks like 07f so D7 problems , but all chips indicate same problem ( emtpy and already programmed ones )



any help highly appreciated


-- the same action on a normal 27c512 in the zif socket works fine , so the programmer works as it should --

techy

Your PLCC-32 sockets are compatible for 27C010-27C040 (dip32-plcc32) and fwh/lpc chips.
To program 27C64-27C512 apply adapter dip28-plcc32.

THANK YOU !!

i have ordered the adapter ( found it on ebay )






techy

Adapter arrived

works as it should , all chips programmed !!



Thank You for this info.





techy