ABC95阵列机是采用FPGA设计的多功能互连结构的计算机 ,多功能互连网络是指支持处理器到存储器的矩阵无冲突访问模式和增强型的处理机到处理机通讯的MESH网络 .ABC95阵列机是一种协处理机方式的SIMD计算机 ,I O系统的设计非常重要 ,必须保证通用性好 ,易于扩展 ,有足够的数据传送带宽 .在这台SIMD计算机中分析了IEEEP1 2 48协议 ,采用ECP协议实现了ABC95阵列机I O系统 .实验证明 ,ECP并行口有很高的带宽 ,可以满足设计的需要 ,并分析了增加I O带宽的方法 The ABC95 array is a multi-functional interconnect fabric computer designed with FPGAs and the multifunction interconnect network is the MESH network that supports matrix-to-memory, matrix-free, conflict-free access and enhanced processor-to-processor communication. The machine is a coprocessor SIMD computer, IO system design is very important, must ensure good versatility, easy to expand, have sufficient data transmission bandwidth.In this SIMD computer IEEEP1 2 48 protocol, the use of ECP The agreement has realized ABC95 array machine IO system.Experiment proves, ECP parallel port has very high bandwidth, can meet the need of the design, and has analyzed the method of increasing IO bandwidth