I'm a teacher , teaching programmable IC's (CPLD and FPGA). We have a testboard with the Altera MAX and the Flex 10K (EPF10K70RC240-4), from 2002.

we are in 2020 and Quartus II is now 19.1! get the new one

Hi,

You need to use the Quartus II software version 9.0 or earlier to support Flex devices.

https://www.intel.com/content/www/us/en/programmable/downloads/download-center.html

Refer the "Design software support for mature device families" from link below,

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/rn/rn_qts_91sp2_dev_support.pdf

Regards,

Vicky

Thanks Vicky !