[mythtv-users] MythTV box power usage

[Ma Begaj]

2009/2/15 Allen Edwards <allen.p.edwards at gmail.com>:
>
>
> On Sun, Feb 15, 2009 at 12:10 PM, James Van Vleet
> <james.vanvleet at verety.com> wrote:
>>
>> Allen Edwards wrote:
>>
>> >     How long does it take a myth unit to come out of its power down
>> >     state?  Can it wake on a remote key command?
>> >
>>
>> I have my frontend using suspend to RAM and I recommend it as a great
>> tradeoff between power savings and power on speed.  I have a dual core
>> Intel of some sort that my Killowatt meter registers at about 83 watts
>> idle.  Once the PC is suspended to RAM it takes only 9 watts.
>>
>> Suspend from RAM takes about 3-5 seconds (it is ready as fast as my TV
>> is).  My USB IR device will wake it up from sleep so I can turn
>> everything on with my remote.
>>
>> All I had to do was enable suspend to RAM in my kernel, add an irexec
>> command to hibernate on the IR power button, and a few small changes to
>> tell the system USB devices should wake up the system.
>>
>>
>> -James
>
> That sounds great!
> Can this be applied to a FE/BE that would have to wake itself up to record?
>  This could be a great power savings.
> The ideal would be for it to wake on LAN in some way so that it would
> respond to mythweb requests that would be ideal.  I have no idea if this is
> possible.
> If this is not possible, perhaps I can build a low power BE and use this to
> wake the FE.
> Allen


That works for me without any problems. It wakes up if your
motherboard supports it. But I had problems with my tv-tuners and lirc
sometimes not working after waking up.

Suspend-to-Ram is much easier to use/make it work if you have only
frontend = less hardware.

M.