Jorg Hoppe:

I am the proud owner of an old pdp11/05.  I does not have a M9970 (nor can I 
find one).  So I cant do 20ma/rs232 output.  I read in somebodies note about 
jumpers @W1 and W2 on the M7261F that I have.  Apparently cutting one of these 
disables the onboard uart and will allow me to put in a serial card.  I cant 
find the jumpers.  Nor can I find a print set.  Any suggestions?

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