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Altera_Forum's avatar
Altera_Forum
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12 years ago

JTAG chain not seen unless factory_load switch is set

Can't figure out how to recover ... I tried adding the Flash Controller and programming the FPGA Flash and User Application Flash vie the update portal on the Arria V start Kit card. It se...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

What is the flash package on the board? If its an SOIC (many of the EPCS devices are in this type of package), just remove it, then you know for-sure its blank :)

If there is a "System Controller" on the board, its likely a MAX II or MAX V, which has its own internal flash, so anything you have done to the other flash should not matter.

If you're totally stuck, post the link to the kit on the Altera site, and I'll look at the schematic and give you suggestions.

Cheers.

Dave