在用ipact初始化cable时,出现下列提示
dentifying chain contents ....'1': : Manufacturer's ID =Xilinx xc4vlx40, Version : 3 INFO:iMPACT:1777 - Reading E:/Xilinx/virtex4/data/xc4vlx40.bsd... INFO:iMPACT:501 - '1': Added Device xc4vlx40 successfully. ---------------------------------------------------------------------- ---------------------------------------------------------------------- '2': : Manufacturer's ID =Unknown INFO:iMPACT:501 - '1': Added Device UNKNOWN successfully. ---------------------------------------------------------------------- ---------------------------------------------------------------------- '3': : Manufacturer's ID =Unknown INFO:iMPACT:501 - '1': Added Device UNKNOWN successfully.
从2到110多都是Unknown ID,然后死机,请问这是什么原因造成的? |