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by GPSFan
Sun Jul 22, 2012 10:32 pm
Forum: Troubleshooting
Topic: USB - the Elephant in our Room
Replies: 802
Views: 295937

Re: USB - the Elephant in our Room

I get "Failed to read/write register index..." messages as well as several others. I believe that my mod hs addressed the usb power issue for my Pi, so the next step in the debug process is to figure out where the messages are coming from, what they mean and what to do about them. This is where the ...
by GPSFan
Sun Jul 22, 2012 8:40 pm
Forum: Troubleshooting
Topic: USB - the Elephant in our Room
Replies: 802
Views: 295937

Re: USB - the Elephant in our Room

Yep, that's what I used, but using a barrel connector in production is probably not the best solution, although there are zillions of them in service, and lots of ARM boards (Panda, Beagle, Odroid, Snowball1/3, Origen) use them. I just did what I needed to do to connect my Pi to a known good power s...
by GPSFan
Sun Jul 22, 2012 7:45 pm
Forum: Troubleshooting
Topic: USB - the Elephant in our Room
Replies: 802
Views: 295937

Re: USB - the Elephant in our Room

Howdy folks, Back in June when I received my Pi's I had similar USB issues as lots of other folks, I saw the Tp1-Tp2 voltage was way too low and after trying several power supplies I bit the bullet and bypassed the input Polyfuse and soldered a barrel connector right across C6. I then had a solid 5....

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