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

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.

and soldering resistor R2.

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

what's wrong ?

my IAR j-link setting is ...

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