Forum Discussion
Honored ContributorED1 (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't work without USB cable atached to PC what'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'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 !1 Reply
Altera_ForumToday i conected bord to Powersuply presed red button and all worked i think that problem was in these bord 100 uf capacitors totaly 23 caps and with total capacitance 2300 UF and these configurations don't disaper so fast and I think they disapered when All caps was discharged http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif I alredy had one problem then I could't download code and just in next morning could download it (caps was discharged http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/smile.gif
