Now, I'm finally able to download the code into the MC, but there is still something wrong. It seems there is no prog running,
so, how do you know that "I'm finally able to download the code "
what code is it, is it 'blinky' or something you wrote?
All ports let my LED burn when I use them as GND.
??? does this mean LED and resistor between port pin and gnd?
My multimeter shows that most of the ports have either 4V or 3V!?
The normal state after reset of a '51
I'm using Windows 2000 and a download prog from the company that made the baord. It's connected to the parallel port.
is it a secret which company?
How can I get the machine going???
first answer the above

Erik