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???
04/18/07 13:20
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 		 #137423 - "it would have to be way newer"
Responding to: ???'s previous message
how old is the display unit?

if, indeed it is an internal reset/internal clock '51 (I doubt it, why would anyone combine such a very modern device with the thoroughly 'unmodern' external memory '31 ?) the derivative need be one available when the display was made.

Erik

List of 31 messages in thread
TopicAuthorDate
Identify a chip.            01/01/70 00:00      
   why a chip            01/01/70 00:00      
      it's for a friend.            01/01/70 00:00      
         it's for a friend            01/01/70 00:00      
            defective programmed chip.            01/01/70 00:00      
   An 8051?            01/01/70 00:00      
      just an another 8051 with ROMed firmware?            01/01/70 00:00      
      corrections            01/01/70 00:00      
         "it would have to be way newer"            01/01/70 00:00      
            Legacy stuff ?            01/01/70 00:00      
               Philips (c) 1989 Intel (c) 1980            01/01/70 00:00      
         no clock?            01/01/70 00:00      
            I did some probing.            01/01/70 00:00      
               also EA is.            01/01/70 00:00      
            crazy.            01/01/70 00:00      
               One for X and one for Y?            01/01/70 00:00      
                  No...I don't think.            01/01/70 00:00      
                     You're referring to a milling machine, right?            01/01/70 00:00      
   8279?            01/01/70 00:00      
   Conclusion            01/01/70 00:00      
      how do you know that it is dead?            01/01/70 00:00      
         used a scope.            01/01/70 00:00      
            the standard checklist            01/01/70 00:00      
   suggestions            01/01/70 00:00      
      I made correction already.            01/01/70 00:00      
         careful now ...            01/01/70 00:00      
   Screw it            01/01/70 00:00      
      Better yet...            01/01/70 00:00      
         Hurco            01/01/70 00:00      
      Know that's Cool.            01/01/70 00:00      
      Looks like the old Bridgeport ...            01/01/70 00:00      

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