Rockbox mail archiveSubject: Re: battery-safe bootloader
Re: battery-safe bootloader
From: Miika Pekkarinen <miipekk_at_ihme.org>
Date: Mon, 10 Apr 2006 08:46:46 +0300 (EEST)
On Mon, 10 Apr 2006, Jvo Studer wrote:
> The only thing this patch adds is a battery voltage check (3.3V) during
> booting and if it is too low it refuses to start. It then just switches
> off without even spinning up the harddisk. This prevents possible deep
> discharge of the lithium polymer battery. Normally the iriver hardware
> cuts off power if voltage gets below 2.6V or so but it's even better
> not to let this happen.
Generally that sounds like a good idea, but there must be a way to
override this check. For example a failure in the battery voltage monitor
sensor could prevent booting entirely (i have heard that at least one unit
had such a defect).
-- Miika Pekkarinen <miipekk_at_ihme.org>Received on 2006-04-10