Rockbox mail archive
Subject: Re: RFC: Q73 Recorder crashes during copy
From: Jean Boullier (jean.boullier_at_wanadoo.fr)
In the tips I would add
make sure that "deep discharge" is set to "no"..
Johan Vromans wrote:
>Q73: Help! My recorder crashes when I copy files to it!
>A73: Yes, the recorder can crash when you copy several gigabytes of
> files to it. The explanation is simple: Copying several gigabytes
> of files through USB requires a long period of sustained disk
> activity and drains more power than the batteries of the recorder
> can store. A long copy will eventually drain the batteries to the
> point where the recorder can no longer function and it halts.
> This even happens when connected to the charger, since the power
> drain is more than the charger can provide! If the recorder halts
> while connecter to the charger, the batteries will recover and
> after a short while it will reboot the Archos firmware in charger
> mode. To make it worse, depending on the USD drivers of your
> system it can cause your system to crash as well, or confuse it
> to the point it needs a reboot.
> There is no solution, just some tips.
> * Connect to the charger when copying lots of files. This will
> not prevent the problem, but it will take longer to happen.
> * Use USB 2.0. Transfers will be much faster.
> * Copy incrementally. With fully charged standard batteries it
> should be capable of sustained copying for 2 - 2.5 hours.
Page was last modified "Jan 10 2012" The Rockbox Crew