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Problem when connecting DA830 EVM in CCS 5.3

Other Parts Discussed in Thread: OMAP-L137

I am developing DSP algorithms on DA830. I have connected the EVM according to this wiki page: http://processors.wiki.ti.com/index.php/DA8xx_EVM_Connections . When I created the configuration in CCS and pressed "Test Connection" I got the following messages:

[Start]

Execute the command:

%ccs_base%/emulation/drivers/sdjtag.exe -f %boarddatafile% -v -X reset -X scantest

[Result]

** BoardFilePath: C:\Users\xxx\AppData\Local\.TI\847665652\0\0\BrdDat\testBoard.dat
** Resetting Emulator
     ERROR -- XDS510USB Reset Failed
     ERROR -- Check power to your emulator/eZdsp
     ERROR -- Then check your port address
     ERROR -- Cannot find necessary emulation driver file(s)

[End]

Also, I found the red LED light DS4 (ERROR (INT0)) on the Audio Board is on. Could anyone help me? Thanks in advance!