On Sep 5, 2010, at 11:10 PM, James Cameron wrote: > On Fri, Sep 03, 2010 at 06:12:56PM -0700, Cherry Withers wrote: >> Ok. I MIGHT have found the culprit to my "XO 1.5 firmware not >> updating" issue. I noticed my laptop that's plugged in to a surge >> protector (the same surge protector that I used when I updated the >> 1.5) , momentarily dimmed when I moved the surge protector with my >> foot. I just noticed that today. So I plugged in my XO 1.0 to a wall >> socket instead to update and both the Sugar and Firmware updated to >> the latest release build. Will investigate further with XO 1.5 when >> I'm ready. > > Excellent. Yes, you've found a potential cause alright. > > Most other non-XO laptops won't indicate the presence of external power > if that external power is below par in some way, such as a bad > connection in a surge protector. > > OLPC XO laptops are different, because they are intended to be charged > directly from a solar panel as well. The difference means that an OLPC > XO laptop may indicate with the power LED that it is connected to power, > yet that power may not be sufficient to maintain the battery charge or > upgrade firmware.
Especially if it is a non-production XO-1.5. They had an interesting "feature" in that they will operate with a 7 to 9 VDC input, but don't recognize that they are plugged into external power. Cheers, wad _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel