Device Family: Intel® Arria® 10

Type: Answers, Errata

Area: Intellectual Property


Last Modified: February 26, 2018
Version Found: v16.0
Version Fixed: v17.0 Update 1
Bug ID: FB: 434582;
IP: Low Latency 40G Ethernet, Low Latency 40G 100G Ethernet

Error: alt_eth_ultra_40_0.e40_rx_pll_kr4: "Actual VCO Frequency" (gui_vco_frequency) "625.0" is out of range: "0.0", "600.0"

Description

Due to a problem with the Intel® Quartus® Prime software version 17.0 and earlier, when generating the Low Latency 40-GbE IP core with the option "Enable KR4" selected, the following error will occur:

Error: alt_eth_ultra_40_0.e40_rx_pll_kr4: "Actual VCO Frequency" (gui_vco_frequency) "625.0" is out of range: "0.0", "600.0".

Workaround/Fix

This error can be safely ignoed. The IP core is still generated and operates correctly.

This problem has been fixed in the Intel® Quartus® Prime software version 17.0 update 1.

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