Forum Discussion

WWood7's avatar
WWood7
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

What causes intermittent JTAG chain errors? How do I fix it?

I recently downloaded the latest installer package for the production Stratix 10 TX SI board, as well as Quartus 19.3 Prime Pro and Programmer. I have been having trouble getting the Board Test Syste...
WWood7's avatar
WWood7
Icon for Occasional Contributor rankOccasional Contributor
6 years ago

Are you saying I should revert to Quartus Pro 18 to run BTS? I had to upgrade from 19.1 to 19.2 because 19.1 had some known issue with the USB-BlasterII cable driver which was fixed in 19.2. (I did confirm that 19.2 solved the cable driver issue we were having.) I couldn't get the cable to install using the 19.1 driver, so I am reluctant to go back even earlier. I have 19.3 installed now.

Also, I get the JTAG errors regardless of BTS. I can just run jtagconfig to see them. It seems to me that BTS isn't the problem.

Thank you!