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Altera_Forum
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11 years ago

[USB-Blaster Problem] DE2-115

Hi, I recently have uploaded my circuit onto my board via ASP and it runs indefinitely. Now whenever I plug the device into my computer, the USB blaster will not show up. Has anybody experienced t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

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I have tried on other's PC, the same "Unknown Device" issue prevails.

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Ok, at least that confirms the hardware has an issue.

Do you have a USB-Blaster stand-alone cable? There is a JTAG header on the board. Try connecting directly to that and detecting the JTAG chain. You will have to consult the DE2-115 User Manual to see if there is a switch setting or jumper that needs to be changed to select the JTAG header.

Cheers,

Dave