C:\JTAG>brjtag -probeonly /erasechip
==============================================
Broadcom EJTAG Debrick Utility v1.5-hugebird
==============================================
Probing bus ... Done
Instruction Length set to 5
CPU Chip ID: 00000000000000000000000000000000 (00000000)
*** Unknown or NO CPU Chip ID Detected ***
*** Possible Causes:
1) Router/Modem is not Connected.
2) Router/Modem is not Powered On.
3) Improper JTAG Cable.
4) Unrecognized CPU Chip ID.
求教。CPU ID全00 咋办
CPU ID 全是0。啥意思那