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stm32f4 discovery SWD (J-Link) does not work.

superfast
Associate

i'm using IAR embedded workbench and stm32f4 discovery board and j-link.

i wanna try download application via SWD (J-Link) connection.

So, first i remove ​CN3 jumper.

 0690X000008w5GQQAY.png

and soldering resistor R2.

0690X000008w5GVQAY.png

but still can't download application. (IAR and st-link is successfully operation)

 0690X000008w5GfQAI.png

what's wrong ?

my IAR j-link setting is ...

0690X000008w5G6QAI.png

0690X000008w5G1QAI.png

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