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Altera_Forum
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19 years ago

ED1 (150$) bord don't work without USB atached to

Thing is that When i got my ordered ED1 bord it started to work when I add powersuply and presed big red botton (Leds were flashing http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif ) but now my bord don&#39;t work without USB cable atached to PC what&#39;s wrong?

This problem started when I downloaded Nios II procesor and my Altera debug client loaded lights.s example all was working i debuged code and then Thought to test if it is true that when USB download cable is disconested nios II procesor will stop to work after 1 hour so I disconested USB cable and bord Shouted Down and after that my bord don&#39;t work without USB download cable http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/huh.gif .

Maby there are some security feature which were enabled by disconecting USB cable when NIOS Ii was working and tels bord to not work when USB is disconected !

can somebody help me !

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