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AR_A_Intel
Super Contributor
3 years agoHello
Welcome to INTEL forum. Design software for FLEX, APEX, ACEX is supported in Quartus II software version 9.0 or earlier. And other MAX II, MAX V, Cyclone II, Cyclone III is supported beginning with Quartus version 9.1 and above. https://www.intel.com/content/dam/support/us/en/programmable/support-resources/bulk-container/pdfs/literature/rn/archives/rn-qts-91-dev-support-1.pdf