[hpsdr] Nano-ITX

[Edson Pereira]

Dan, Brian,

I have been using a VIA EPIA CL10000 for some time running DttSP under 
Debian with very good
results. I have used the onboard graphics and it works well, but 
normally I just run SDR-Shell exporting
the display to another computer.

73,

-- Edson, pu1jte, n1vtn

 
ZPO wrote:

>***** High Performance Software Defined Radio Discussion List *****
>
>Dan,
>
>Very good point.  It mirrors the experiences I had with an earlier
>mini-ITX board.  That is the main reason I was aiming for the Intel
>based boards with a PCI-E graphics card.  I think if I was running a
>distributed setup with the dttsp work on the nano/mini-itx and the UI
>on another system, one of the lower-end/speed boards would work fine.
>I'm not ready to take that big an experiment jump yet though. hihi....
>
>Once I get a couple boxes dedicated and running dttsp via Janus/Ozy
>I'll have a better sense of what can be done.  some nano/mini-ITX
>experimentation is definitely in the future.
>
>73 N5VFF/YI9VFF - Brian
>
>On 3/3/07, Dan Babcock <danbabc at yahoo.com> wrote:
>  
>
>>***** High Performance Software Defined Radio Discussion List *****
>>
>>
>>
>>Eric and Brian,
>>
>>I purchased a VIA SP13000 board about a year ago with the intention of using
>>it with PowerSDR and the SDR-1000.  The whole setup was a VIA SP13000 MB,
>>512Meg of Memory, a laptop 80 Gig Hard Drive, a laptop DVD drive, a Delta 44
>>soundcard and a Travla C138 case.  Despite hours of fiddling I was never
>>able to make it work correctly.  The root of the problem appeared to be the
>>Unichrome Windows driver for the CN400 integrated video chipset on the
>>motherboard.  It seems to be incapable of efficiently handling DirectX.
>>With the video displays turned off, the audio processing in PowerSDR worked
>>with no problem.  However, when either the spectrum, waterfall or panadapter
>>displays were activated on the PowerSDR console, the CPU usage went to 85%
>>plus and the audio began dropping out.
>>
>>The SP13000 is now used as a Linux box interface to a Bitscope PC
>>oscilloscope on the workbench.  Bitscope has  a Linux version of their Dso
>>software (written in Kylix) and it runs very well.
>>
>>So. I guess the moral of my story is if you are going to use a mini-ITX or
>>nano-ITX form factor MB for the Power SDR console, it is probably best to
>>not use a board with a VIA CPU and chipset.  Also, the Northbridge (video)
>>chip and its video driver are very important.
>>
>>73,
>>
>>Dan N4XWE
>>
>>    
>>
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