
Upgrade@Professional Series™

Whitch versions of Willem Eprom Programmers are upgradeable ?
If you have the double layer PCB marked Version 3.0 25-01-2002 or Version 3.1 20-03-2002 upgrade@Professional series™ is possible.
Just have a look at the lable shown on the pictures below !
This is a picture of the original Willem Eprom Programmer V 3.1.
If your Programmer looks different ( except a different colour of the 32 Zif / Textoolsocket or different 2 / 12 ways DIP switches upgrade@ professional series™ is not possible !!!
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Version 3.1 20-03-2002

This is a picture of the original Willem V3.1 PCB
Make sure you have this version or the previous one named V3.0 25-01-2002
PCB 3b and other one layer side versions won´t work!!!
They have different size and the parallel SUB-D 25 connector / power jack have other placements and is not usable for our alucase-system™.
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