how to unlock the board after secure JTAG enable??

[NYup]

I am using the file from AN 556 provided from FAE.

and followed it to issue NPULSE_CONFIG JTAG intruction .

But my board is locked up after reboot!! I can't erase, load or do anything . How do I unlock my board to erase or program different

image? Please help

[nyup@labOptiPlex2 test_unlock]$ quartus_jli -c 2 unlock_208.jam -a unlock

Info: *******************************************************************

Info: Running Quartus Prime Jam Tools

   Info: Version 18.0.0 Build 614 04/24/2018 SJ Standard Edition

   Info: Copyright (C) 2018 Intel Corporation. All rights reserved.

   Info: Your use of Intel Corporation's design tools, logic functions

   Info: and other software and tools, and its AMPP partner logic

   Info: functions, and any output files from any of the foregoing

   Info: (including device programming or simulation files), and any

   Info: associated documentation or information are expressly subject

   Info: to the terms and conditions of the Intel Program License

   Info: Subscription Agreement, the Intel Quartus Prime License Agreement,

   Info: the Intel FPGA IP License Agreement, or other applicable license

   Info: agreement, including, without limitation, that your use is for

   Info: the sole purpose of programming logic devices manufactured by

   Info: Intel and sold by Intel or its authorized distributors. Please

   Info: refer to the applicable agreement for further details.

   Info: Processing started: Fri Sep 20 14:33:36 2019

Info: Command: quartus_jli -c 2 unlock_208.jam -a unlock

Info: Using INI file /opt/intelFPGA/18.0/quartus/linux64/quartus.ini

Exit code = 0... Success

Info: Quartus Prime Jam Tools was successful. 0 errors, 0 warnings

   Info: Peak virtual memory: 194 megabytes

   Info: Processing ended: Fri Sep 20 14:33:39 2019

   Info: Elapsed time: 00:00:03

   Info: Total CPU time (on all processors): 00:00:00

-----------------------------

'Altera 2016

'Purpose: To unlock

ACTION unlock = DO_UNLOCK;

PROCEDURE DO_UNLOCK;

DRSTOP IDLE;

IRSTOP IDLE;

STATE IDLE;

IRSCAN 10, $208;

WAIT 100 USEC;

EXIT 0;

ENDPROC;

----------------------------

'Altera 2016

'Purpose: To unlock

ACTION unlock = DO_UNLOCK;

PROCEDURE DO_UNLOCK;

DRSTOP IDLE;

IRSTOP IDLE;

STATE IDLE;

IRSCAN 10, $041;

WAIT 100 USEC;

EXIT 0;

ENDPROC;

[YuanLi_S_Intel]

Hi Nhu,

I believe this is the duplicated case of 04355416. I will continue to support your request in this case 04355416.

Thank You.