building a linux stereo receiver?

Lennart Sorensen lsorense-1wCw9BSqJbv44Nm34jS7GywD8/FfD2ys at public.gmane.org
Mon Jan 28 20:53:18 UTC 2013


On Mon, Jan 28, 2013 at 02:11:39PM -0500, D. Hugh Redelmeier wrote:
> | From: Mel Wilson <mwilson-Ja3L+HSX0kI at public.gmane.org>
> 
> | Another ARM system has appeared, at the next price-point up from the Pi:
> | <http://www.hardkernel.com/renewal_2011/products/prdt_info.php?g_code=G135341370451&tab_idx=1>
> | Big jump in power and capacity.
> 
> 
> Thanks.  That's interesting.  Key points:
> 
> - Samsung Exynos4412 Prime Cortex-A9 Quad Core 1.7Ghz with 1MB L2
>   cache.  Samsung seems to spec it at 1.4 or 1.6GHz so perhaps
>   this is overclocked.
> <http://www.samsung.com/global/business/semiconductor/minisite/Exynos/products4quad.html>
>   (CPU performance way way better than Raspberry Pi.)
> 
> - 2G of RAM: four times the current RP
> 
> - quad core Mali 400 graphics.  Probably not as good as Raspberry Pi's
>   video.  But good enough.
>   Key question: what do you get as a video driver.  Probably a binary
>   blob :-(

http://limadriver.org/

Work in progress, but looking promising.

>   At least it comes with Ubuntu (promised).  Many little things
>   only come with Android which means that they may not be open
>   enough to easily port Linux to them.
> 
> - sad: ethernet is forced through USB bottleneck, just like on RP
> 
> - scary: requires 2A power source vs 1A for RP.  Picture shows
>   optional heat sink.  Is it needed?
> 
> - slightly unfortunate: MicroSD card slot is listed as an option (that
>   may be a mistake).  Where does firmware live?  I'm not up to speed
>   on what eMMC is good for.  No mention of SDHC vs SDXC (i.e. support
>   for larger than 32G MicroSD cards).
> 
> |  Don't know if it has a future.
> 
> The RP has so many folks adopting it that its future seems bright.  I
> agree that the odroid's future isn't as clear.

-- 
Len Sorensen
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