Connection always timeout

[B.O.S.S]

Hello, I try to use iPXE on my Lenovo Z580 with wifi card "Qualcomm Atheros AR9485 Wireless Network Adapter" It's on list of hardware drivers expected to work. Regardless of the configuration (of course even the good one), the message "Connection timeout" always appears. I run iPXE from usb burned from the .usb file I built. Maybe I am doing something wrong so I am asking for help here