设备为天邑那个什么300R的,里面实际和贝尔rg100a-aa一样,本来都已经刷上d link 2650u 1.10版了,结果本人手痒, 想换2740 ,顺便升级cfe。可是一不小心刷成64kb的了,(特别说明:之前刷2650时直接用的cfe的web,没有用ttl,也没有刷cfe,刷2740时用cfe的web刷了带cfe的固件),结果导致现在成植物猫了,开机时四个网卡灯亮,1秒后熄灭,之剩下网线接口的灯常亮,rst键无效,无法进入cfe。自己做了一根jtag线(就是加100ohm电阻哪种),在brjtag下显示如下:
C:\JTAG>jtag -erase:nvram
===============================================
Broadcom EJTAG Debrick Utility v1.8a-hugebird
===============================================
Probing bus ... Done
Instruction Length set to 5
CPU Chip ID: 11111111111111111111111111111111 (FFFFFFFF)
*** 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.