Why doesn’t reverse serial loopback work on transceiver channels configured in GXT mode on Intel® Stratix® 10 devices? - Why doesn’t reverse serial loopback work on transceiver channels configured in GXT mode on Intel® Stratix® 10 devices? Description Pre-CDR, and Post-CDR reverse serial loopback is not supported for transceiver channels configured in GXT mode on Intel Stratix 10 devices. Resolution This information will be added to a future revision of the Intel Stratix 10 L- and H-Tile Transceiver PHY User Guide. Custom Fields values: ['novalue'] Troubleshooting FB: 557373; False ['novalue'] ['FPGA Dev Tools Quartus® Prime Software Pro'] novalue 17.1 ['Stratix® 10 FPGAs and SoCs'] ['novalue'] ['novalue'] ['novalue']