描述通过软核nios II在quartus环境里面实现以太网卡配置过程，。-Described through the nios II soft-core in the Quartus environment inside Ethernet card configuration process.

DE2开发板例程源码，FPGA:EP2C35F256C6，代码基于quartus II 9.0以上的版本（随板光盘的为7.2的版本，在9.0以上的版本上编译通不过会报错）。该代码主要功能为FPGA对以太网通信，与PC机通信-In this demonstration, we will show how to send and receive Ethernet packets using the Fast Ethernet controller on DE2 board. We use the

EasyGX Cyclone® IV GX电路原理图，包括基于FPGA的PCI Express和10/100/1000M以太网接口相关电路。-The EasyGX Cyclone® IV GX development kit is especially suitable for develop and test PCI Express and 10/100/1000M Ethernet interface, including NIOS II embedded CPU and