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ISD51 Error

Hello all,

I'm working with the C51 evaluation version downloaded from this site and i was trying to get the ISD51 debugger to run.

When i press the debug button i'm receiving the following message:

"MISSING SERIAL NUMBER IN TOOLS.INI"

After the error UVision is connecting to the ISD51 debugger. But there's no reply from the target system. Is it possible the debugger is not working because of the error message?

Thanks

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