can't load a RedBoard under Arduino IDE 1.6.3

Development Boards Arduino
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I have a pair of Redboards I bought last year or the year before on Arduino day (so they may be down rev). I attempted to load a pair of sketches that are known to work with conventional Uno R3s, but I can’t get them to load on the RedBoards. The IDE sees the port (COM7 in this case) and allows me to set the device as an UNO (but I don’t think it is checking).

the sketch is storing information (a MAC address for an Ethernet shield) in the EEPROM, which will be used by the second sketch, which then reads the info. The second sketch assigns an IP address for the Arduino stack and locates a server it will login to. The sketches appear to load normally but then nothing happens (ex they don’t respond to a ping). Everything works fine when I substitute one of several UNOs. (the rest of the stack stays the same).

I suspect it may be something unique to my environment as a couple of searches on the problem didn’t get any hits.

I’ve noticed that the IDE stopped working on Leonardo back around 1.5.2, is there some similar issue with RedBoard?

I believe the drivers are fine:I can load Pro Minis with my FTDI cable.

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https://learn.sparkfun.com/tutorials/re … ll-arduino

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codlink:

thanks! Now here’s the odd thing, the Redboards are obviously working at one level as blink loads and blinks just fine, however the code in the sketch does not. Again both sketches load, but the Redboard/WS5100 stack is unable to respond to a ping and doesn’t call its mothership. If I use the same sketches on any Uno I’ve got (known to be legit or suspect) with the same Ethershields, it works fine. What is different about the RedBoard? Are the ISP header pins required for the Ethershield to work? Is there some protected EEPROM space we’re over writing or not able to write to?