[USRP-users] Installing PCIE drivers for x310

Rob Kossler rkossler at nd.edu
Tue Oct 27 09:56:38 EDT 2015

The PCI-e interface is Gen1, I believe, which has max transfer rates of 250
MB/s per lane.  With 4 lanes, this implies max transfer rate of 1 GB/s or
250 MS/s.


On Mon, Oct 26, 2015 at 12:53 PM, Jared Dulmage via USRP-users <
usrp-users at lists.ettus.com> wrote:

> After the reboot and a rebuild of GR I was able to get the x310 up and
> running.  I was able to visualize 50 MHz bandwidth using gr-fosphor, which
> is great but using PCIe I was expecting more since I thought PCI was almost
> 1 GB/s per lane and this interface is 4 lanes.  50 MHz would be 200 MB/s,
> so I thought I had a lot of margin.  I really wanted 100 MHz continuous
> bandwidth.  If there are any well known settings I should make to my setup
> please let me know.  Otherwise thanks for getting me this far.
> Jared.
> ------------------------------------------------------
> Jared Dulmage
> Engineering Specialist
> Digital Comm. and Implementation Dept.
> Aerospace Corporation
> 310-336-3140
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> USRP-users mailing list
> USRP-users at lists.ettus.com
> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
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