[USRP-users] Success report: B200/USB 3.0 card/Core i7-2600

Martin Braun martin.braun at ettus.com
Tue Sep 30 17:06:30 EDT 2014


Hey Robert,

thanks for the data! Out of curiousity, have you also tried streaming to 
disk?

Cheers,
m

On 30.09.2014 12:44, Robert McIntyre via USRP-users wrote:
> Just wanted to drop a quick note about the 100% successful USB transfers
> I'm (finally) able to get with my B200.  I'm using the following hardware:
>
> - Asus P8Z68 motherboard
> <http://www.newegg.com/Product/Product.aspx?Item=N82E16813131790>
> - HooToo HT-PC002 USB 3.0 card
> <http://www.amazon.com/HT-PC001-SuperSpeed-Expansion-Connector-Capacitors/dp/B00B9R59ZE/ref=sr_1_7?ie=UTF8&qid=1412105646&sr=8-7&keywords=hootoo+usb3+card> (based
> on VIA VL805)
> - Core i7-2600 cpu
> - 16GB of RAM
> - SSD hard drive
> - OS: Debian Testing
> - UHD: Built from head of master branch
>
> I tried the onboard Intel USB 3 ports, and they weren't able to operate
> at USB 3.0 at all, they only registered the B200 as USB 2.0.  So, I
> added the VL805-based USB 3.0 card, and am able to use the UHD benchmark
> tool with a --rx_rate of 32e6 with zero overruns/underflows, repeatable.
>
> I'll be setting up gnuradio shortly and loading the CPU down a bit and
> see how it works.
>
> I have the same USB 3.0 board in my windows 8.1 box (newer
> CPU/motherboard), and it works well, but still experiences some drops at
> that rate, though 16e6 is rock-solid.
>
> Hope this helps someone else get a good config set up!
>
> Cheers,
> Robert
>
>
>
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