Forum Discussion

remov_b4_flight's avatar
remov_b4_flight
Icon for New Contributor rankNew Contributor
4 months ago

Fitter failed with "Unknown DQ mode"

QuartusII 13.1 Windows 64 bit In the middle of Compile design, Fitter aborted with these signals, 100% Internal Error: Sub-system: FSAC, File: /quartus/fitter/fsac/fsac_titan_dqs_legality.cpp, Lin...
Board Debug
RichardT_altera's avatar
RichardT_altera
Icon for Super Contributor rankSuper Contributor
4 months ago

Hi @remov_b4_flight ,

Do I understand correctly that changing the incorrect settings with the DQ_GROUP (mem_dqs[*] -> mem_dq) resolves the fatal error?

Regards,

Richard Tan