i bought the case with front usb and audio.
case front audio wires are [mic left, mic right, audio right, audio left, and two ground{yellow and brown color}]
and motherboard front audio jumpers are [aud_mic, aud_gnd, aud_mic_bias, aud_vcc, aud_front_r, aud_ret_r, hp_on, key, aud_front_l...