[mythtv-users] Re-doing my backend
R. G. Newbury
newbury at mandamus.org
Tue Feb 5 03:47:34 UTC 2008
Steve Smith wrote:
> On 04/02/2008, Jean-Yves Avenard <jyavenard at gmail.com> wrote:
>> Hi
>>
>> On Feb 4, 2008 11:46 AM, David Frascone <frasconebulk at gmail.com> wrote:
>>> Humm . . Mine is a 2.2 or so Ghz P4 -- think it can keep up?
>>>
>> Is this just a backend ?
>>
>> If yes then 2GHz is plenty of power with plenty to spare.
>>
>> I run a 200MHz machine with all the services you mentioned , and the
>> CPU never gets over 5% !
>>
>> To the person who also replied. A Core 2 Duo a 2.4Ghz is significantly
>> faster than a 3GHz P4 ... hardly a valid comparison
> A 200Mhz machine you say....interesting....
>
> I'm currently doing a theoretical exercise trying to figure out the lowest
> power (as in electricity) backend you can get.
>
> The Mini-ITX boards can go as low as ~20w idle (or less), but are very
> limited in PCI slots (useful in a backend!)
>
> Anyone know if you can get multi-PCI slot boards with these kind of power
> requirements?
>
You can get 2-slot PCI riser cards for Via mini-itx motherboards so you
can run 2 cards. My Via SP13000 mb with PVR500, pcdhtv3000 and 2 hard
drives running used 37 watts. I seriously doubt that even a 200MHz chip
was that thrifty. In fact, I remember that my first couple of x86 based
machines were quite hot!
For a backend however, a mini-itx would easily handle 2 PVR500's for 4
tuners, and you can always add an HDHomeRun externally.
Geoff
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