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Same issue noticed for me, too. I must use compression because of limited space in EPCS.
NStatus is low after finish configuration although CONF_DONE is high. This happens to Cyclone EP1C12 and EP1C6 devices.
Expect a quick fix from Altera.
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Hi,
while I did not need to use compression in my system, I decided to go with 9.1 and not to generate compressed bitstreams as I did with 9.0. Nevertheless I was in touch with ALTERA and got a hint to use the "Convert Programming Files" option (located in "File") to generate the POF. You have to "Disable AS/AP mode CONF_DONE pin error check" in "Advanced" (you have to add file (SOF) first and to check Compression under Properties) to ogenerate a compressed POF. This worked for me, resulting in a compressed POF with FPGA configuring of.
But this adds work to get the POF which might not be worth to be able to use the 9.1....
Sincerely, CS
Honored Contributor
