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Altera_Forum
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15 years ago

Stratix IV Dev Kit programming failure

I am having issues loading an SOF onto the Stratix IV Dev Kit. The programmer reports: Error: The instruction register length for the EP4SGX230KF40 device at position 1 in the JTAG chain is un...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

wombat,

Thanks for the tip. I started poking around after you mentioned the pgm_parts.txt file. It turns out that the jtag configuration somehow got deleted, including the pgm_parts file. After reinstalling, everything looks fine.