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Altera_Forum's avatar
Altera_Forum
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13 years ago

JTAG problem with Cyclone IV kit

I am using the Cyclone IV GX Transceiver Starter Board and Quartus 12.1. The board test system runs correctly. As I am new to FPGA programming, I followed the Nios II Hardware Development tutori...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

This error message:

--- Quote Start ---

Error (209031): Device chain in Chain Description File does not match physical device chain -- expected 1 device(s) but found 2 device(s)

--- Quote End ---

Tells you exactly what is wrong, however, not the solution :)

What you need to do in the programmer gui is to first hit the "Auto Detect" button. This will populate the GUI with the two devices in the JTAG chain. Then double click in the filename area for the Cyclone device, and select the programming file. You can then download to the board.

Cheers,

Dave