Article ID: 000090545 Content Type: Troubleshooting Last Reviewed: 05/23/2022

Why are 100GE-2 FEC uncorrected codewords not counted correctly when using the Intel® Agilex™ E-tile Hard IP Ethernet Toolkit?

Environment

Bug ID: 15010963895

Quartus Edition

Intel® Quartus® Prime Pro Edition

Version Found: 21.4

Quartus Add-ons

Ethernet Link Inspector

FPGA Intellectual Property

E-tile Hard IP for Ethernet Intel® FPGA IP

Version Found: 20.2.0

Operating System

Windows® 10, 64-bit*

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Description

Due to a problem in the Ethernet Toolkit software, when you intantiate a 100G-2 PAM4 in E-tile Hard IP for Ethernet Intel® FPGA IP on Intel® Agilex™ FPGA and observe uncorrected codewords in the Intel® Agilex™ E-tile Hard IP Ethernet Toolkit GUI, the count value will always be 0.

The correct value can be read from the forward error correction (FEC) register 0x220.

Resolution

This issue is scheduled to be fixed in a future release of the Intel® Quartus® Prime Pro Edition Software.

Description
Resolution

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