Forum Discussion

Honored Contributor

11 years ago

USB-Blaster: Unable to read device chain - JTAG chain broken

I'm using Ubuntu14.04 and quartus14.1. When I run jtagconfig, I get: $ jtagconfig 1) USB-Blaster [3-6] Unable to read device chain - JTAG chain broken The hardware is correct becaus...

Altera_Forum

Honored Contributor

11 years ago

OK, found something that really works (I think). See USB-Blaster section on the following:

https://wiki.archlinux.org/index.php/altera_design_software#usb-blaster_download_cable_driver

I've undone all previous attempts, made the changes listed in the arch wiki, and was able to program arrow SoCKit. Using Ubuntu 14.10.

For now, it's working. Will post more if I run into problems again.

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USB-Blaster: Unable to read device chain - JTAG chain broken

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