开机页面显示：
Inter UNDI，PXE-2.0(build 083)
Copyright(C) 1997-2000 Inter Corporation
For Qualcomm Atheros PCIE Ethernet Controller v2.1.1.5(03/15/13)
Check cable connection!
PXE-M0F:Exiting PXE ROM.
Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key
