[vdr] Greener VDR

Timothy D. Lenz tlenz at vorgon.com
Sat Sep 6 20:41:31 CEST 2008


The main advantage to putting the "power off" button to use is to tell vdr you are not watching tv, so if it's also not recording,
it's free to tune to a TP with guide data or update channel list, etc..

----- Original Message ----- 
From: "Dave P" <vdr at pickles.me.uk>
To: "VDR Mailing List" <vdr at linuxtv.org>
Sent: Saturday, September 06, 2008 3:40 AM
Subject: Re: [vdr] Greener VDR


> On Saturday 06 September 2008, jori.hamalainen at teliasonera.com wrote:
>
> > I don't know how much watt savings could be achieved with this, but on
> > conseptual level it sounds good or do you agree?
> >
> > I hope some 10-20 watts could be saved in 1xFF and 2xbudget environment.
> > And less heat inside the box, on softdevices CPU runs lower power etc..
>
> I've taken measurements of power consumption on my vdr boxes. Both have had
> a single DVB-T budget card and playback is via the VOMP plugin.
>
> The present machine is a 2.3 GHz Athlon X2 64-bit. It idles at 42w,
> starting and stopping vdr has no measurable effect so I leave it running.
>
> The previous one used a 32-bit Athlon mobile CPU in a desktop motherboard.
> That machine idled at 62w (less efficient power supply and higher-spec
> graphics card). With vdr running the CPU temperature increased by 1 degree
> C and power consumption increased about 1 watt.
>
> It would be possible to save a few more watts if the DVB card could be
> completely powered off (my new machine needs only 38w without the card
> installed) but AFAIK that's not possible for PCI. A better bet for
> a 'green' vdr is careful choice of components.
> -- 
> Dave
>
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