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Altera_Forum
Honored Contributor
12 years agoproblem JTAG programming an EPCQ256
I have a new terasic DE1-Soc rev D. Cyclone V SOC model 5CSEMA5F31C6N. I am unable to get JTAG programming to program the epcq256 on the board using quartus 14. I am able to download and run ...
Altera_Forum
Honored Contributor
12 years agoThat error message usually occurs when the EPCS/EPCQ device is not recognized, i.e., the device on your hardware is not an EPCQ256.
Look at the markings on the EPCQ package and see if its an Altera device. If its not, that is ok, since there are compatible flash devices, but these devices have different Silicon ID codes. When you create the .jic file, click on the Advanced button, and disable the device ID check, and it should work. Cheers, Dave