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Altera_Forum
Honored Contributor
Honored ContributorCyclone 3 migration from EPCS64 to EPCS128
Hello all, In our design, we are using successfully the EP3C10 and EPCS64 configuration device (AS mode). We need to switch to the 128Mbit device (EPCS128); the FPGA fail to config in that case:...
Altera_ForumHonored Contributor
Honored ContributorWell, I'm glad you were able to find a work around. I haven't had to use the EPCS128 yet, so I haven't ran into that particular issue yet..
Have you opened a service request on this with altera? If they haven't tested this configuration, they'll need to either fix it in Quartus II 8 .0 or put an errata sheet out on the Cyclone III family and fix it in a later die rev.
