Atom 330 for HTPC/BLuray - Canadian TV, Computing and Home Theatre Forums
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post #1 of 18 (permalink) Old 2009-01-15, 06:19 PM Thread Starter
 
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Atom 330 for HTPC/BLuray

How well will an dualcore atom work for HTPC use. Largely looking to play HD MKV files in which ive read it could do. Im wondering about bluray though. You can get PCI variants of both the ATI HD2400 and the Geforce 8400GS. For audio i have a USB Turtle Beach Micro which has 5.1 passthrough with optical output. If there's no way, i do have a PhenomX4 with a 780G mobo that can do BR forsure but its a powersucker and largely use for light gaming.
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post #2 of 18 (permalink) Old 2009-01-15, 06:21 PM
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I think it's highly unlikely that that configuration would work.

The PCI bus is too slow to ship the data to the graphics card for offload and the ATOM probably doesn't have enough power to do S/W decode.
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post #3 of 18 (permalink) Old 2009-01-15, 06:26 PM
 
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Quote:
Originally Posted by wpgCKI View Post
How well will an dualcore atom work for HTPC use.
Can you buy them separately?

Considering there is a rumour that it would require a 9400 NV to do HWA BD playback on Atom netbooks, most probably this won't work.
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post #4 of 18 (permalink) Old 2009-01-15, 06:30 PM Thread Starter
 
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Are you sure PCI bus can't handle Bluray video. You can run a bluray drive off USB, which has no where near the bandwidth PCI has.
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post #5 of 18 (permalink) Old 2009-01-15, 06:37 PM
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A dedicated USB 2.0 port will be much more efficient than your typical PCI bus when it comes to streaming data.
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post #6 of 18 (permalink) Old 2009-01-16, 01:52 PM
 
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The 780G is a great chipset. If you use HW-acceleration, like via the codecs that come with PowerDVD, you can get away with one of the newer dual-core X2 CPUs that are only 45W TDP. I'm running a mini-ITX board by J&W (the Minix) with a X2 65W CPU and hardware acceleration and it is clear sailing with anything I can throw at it (any codec, up to 1080p). I was inititially worried that a 65W CPU might make the system too hot, but as long as you have room around your chassis for cooling it seems rock solid. The Minix MB is nice also because it has optical-out, HDMI, DVI, and analog RGB. I threw in a Hauppage HVR-2250 dual ATSC tuner card and have everything I need for media playback in a nice little box that sits under my TV

The next step will be to sell off the Expressvu HD-PVR, install an OTA antenna, and live free of Bell or Rogers!
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post #7 of 18 (permalink) Old 2009-01-16, 03:00 PM
 
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I am an early adopter of 780G, the hardware acceleration is a bit hit and miss so most time I don't use it.

It gets away fine with my Black x2 @ 2.8GHz.

In other words, I like your chance much better with the discrete GPU (eg 8400GS)

8400GS does BR/HDDVD fine...my version is a regular PCI-E but the mobo it's in only do 4x.

LG55LW5000/DenonAVR791/MirageOMD5+Nanosat+MM8/ClearStream2/CM7778+3414
OptomaHD33/YamahaRXV1075/KEF3005/Velo15"
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post #8 of 18 (permalink) Old 2009-01-16, 03:46 PM
 
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We might soon know what an Atom330+NV9400 is capable of
http://www.theregister.co.uk/2009/01/16/mac_mini_ion/
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post #9 of 18 (permalink) Old 2009-01-17, 02:52 AM Thread Starter
 
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I was just checking the numbers and the PCI bus is rated for 1.06Gbps where as USB is max bandwidth of 400mbps. 8400gs should have no problem on the PCI Bus handling bluray.
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post #10 of 18 (permalink) Old 2009-01-17, 08:54 AM
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Don't confuse maximum bandwidth ratings with throughput. PCI has a LOT of overhead.

The reason that older graphics cards used an AGP bus was that the PCI bus was too slow and overloaded with other transactions.
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post #11 of 18 (permalink) Old 2009-01-17, 01:34 PM
 
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Were I buying today I would save cash and get the WD HD Player.
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post #12 of 18 (permalink) Old 2009-01-17, 05:29 PM Thread Starter
 
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OK i give up, maybe ill just slap a PCI Esata card on it and use it as my downloader/streamer/browser.
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post #13 of 18 (permalink) Old 2009-01-17, 05:40 PM
 
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Quote:
Originally Posted by fender View Post
Were I buying today I would save cash and get the WD HD Player.
WD TV doesn't do anything but pictures and videos. Certainly not Blu-rays discs and from the look of it, neither straight-up ripped files.

Nice gadget but function is fairly limited.

LG55LW5000/DenonAVR791/MirageOMD5+Nanosat+MM8/ClearStream2/CM7778+3414
OptomaHD33/YamahaRXV1075/KEF3005/Velo15"
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post #14 of 18 (permalink) Old 2009-01-17, 06:50 PM Thread Starter
 
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Well put my order in new atom 330 board 2GB ram, 750GB HD, one of those 250W Apex mitx case's, an LG DVD wirter (sata). 250bux for a whole computer thats livable. Only question is how to partition the HD, thinking doing a 250GB for OS/Programs and 500GB for DL/Movies.
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post #15 of 18 (permalink) Old 2009-01-17, 09:06 PM
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Let us know how it works
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