[Testing] [support-gang] [IAEP] Announcing the OLPC OS 10.1.2 final release!
sverma at sfsu.edu
Mon Sep 6 13:16:42 EDT 2010
On Sun, Sep 5, 2010 at 8:10 PM, James Cameron <quozl at laptop.org> 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.
> James Cameron
I've noticed this when updating fully drained XOs. The power indicator
blinks when plugged in, but upon reflashing, when the XO reboots, it
won't apply the firmware because the battery is too low, and will skip
to booting into the new OS image.
Dr. Sameer Verma, Ph.D.
Associate Professor, Information Systems
Director, Campus Business Solutions
San Francisco State University
More information about the Testing