CycloneIII Development Board Can't Access JTAG Chain

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CycloneIII Development Board Can't Access JTAG Chain

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Hi,

After I loaded with my flash file with JTAG programmer, the CycloneIII development can not be programmed anymore. QuartusII programmer AutoDetect Button returns error:

Can't Not Access JTAG Chain,

Operation Failed.

If using JTAG mode with USB-Blaster.

Instructions and help to reconfigure the unit is needed.

Thank you,

David

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