https://community.nxp.com/t5/Layerscape/Some-question-on-ls1046/m-p/2189837#M16228 <P>Linux doesn't provide this function, you need to use NXP QCVS Serdes tool.</P> Tue, 21 Oct 2025 09:11:31 GMT yipingwang 2025-10-21T09:11:31Z https://community.nxp.com/t5/Layerscape/Some-question-on-ls1046/m-p/2186515#M16209 <P>Hi NXP&nbsp;</P><P>Our platform is LS1046&nbsp; OS Ubuntu 18.04.</P><P>My customer is asking, under a Linux system:</P><P>How to enable the hardware-level PRBS (Pseudo-Random Bit Sequence) test mode</P><P>How to read the bit error count</P><P>How to adjust the transmitter and receiver signal parameters to optimize signal quality</P><P>Do you have any idea?</P><P>Thanks.</P> Wed, 15 Oct 2025 09:32:48 GMT https://community.nxp.com/t5/Layerscape/Some-question-on-ls1046/m-p/2186515#M16209 charleshuang 2025-10-15T09:32:48Z https://community.nxp.com/t5/Layerscape/Some-question-on-ls1046/m-p/2189837#M16228 <P>Linux doesn't provide this function, you need to use NXP QCVS Serdes tool.</P> Tue, 21 Oct 2025 09:11:31 GMT https://community.nxp.com/t5/Layerscape/Some-question-on-ls1046/m-p/2189837#M16228 yipingwang 2025-10-21T09:11:31Z