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

[superfast]

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 ...