[mythtv-users] recommendation for new combined frontend+backend?
veehexx at gmail.com
Thu Nov 3 08:30:21 UTC 2011
On 31 October 2011 19:25, Frank Hartmann <soundart at gmx.net> wrote:
> Tim Draper <veehexx at gmail.com> writes:
> > Would the
> > * 1.5 GHz AMD Turion II Neo, or the
> > * 1.3 GHz AMD Athlon II Neo
> > as found in the HP proliant miniservers manage to decode above
> > many thanks
> > Frank
> > not sure about the Neo's, i beleive they're the ultra-low powered (and
> > underpowered!) AMD chips, comparable to the intel Atoms. which imo is
> > a no go for a BE. im running an intel E6550 (2.33ghz) on my BE and
> > thats perfect. i've managed to get that hardware down to 55w idle at
> > the mains..... E6550, 2x DIMMs, dual tuner DVB-S2, 2.5" 7200rpm HDD
> > (with the DB on it), and a WD Green 1TB hdd for storage, powered by an
> > enermax Pro82+ 525w PSU.
> > i'm very happy with that.
> > the BE really needs to be a full-fat cpu to handle the requirements of
> > a full BE system (transcoding, advert detection etc). you can get the
> > intel core-i chips in 35w TDP vs the normal 65w TDP's. theres about a
> > £10 GBP premium on the 35w models.
> > i've actually just moved away from a combined BE/FE setup.
> > BE - E6550
> > FE - passive atom330 ion platform
> Tim, many thanks for your Configuration Details! What kind of DVB-S2
> card are you using ? Do you record+play HD with your system?
DVB-S2 card is a TBS6981 - dual tuner.
DVB-T card was a HVR1100 but with this move, i need to look at a USB
Yes, i can record 2 HD feeds and watch a 3rd (be it from DVB-T or
recorded). Based purely from BE > FE network utilisation, LiveTV 1080i
takes around 5Mbps sustained, so i guess you could consider that a
ball-park figure for required HDD speed. i've seen a max bit rate figure of
12000kbps for a recording though..
i've also done yet more changes since my original post; moved from an ATX
board to ITX board for the BE system. bottom line power draw looks like a
further drop of around 5watts.
the atom 330 FE is also running far better than the hype on here (as a
purely playback device). if you look at some threads here, the atom is a no
go area for anything. there's a few of us using atoms for FE-only and i now
approve of their use :P fwiw, i'm using the Zotac ionitx-f-e board so does
have VDPAU capability.
definately forget the atom (and the amd fusion) for a BE device though. my
E6550 system can load mythtv components around 4 times faster than the atom
can, so i dread to think what sort of results that would have on database
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