Accton SMCWBR14T-G路由器自己瞎撞找到了JTAG跳线，请知道的朋友帮我解决下以下问题。

xi***

ar531xPlus rev 0x00000087 boot loader startup...
Flash initialized
SDRAM initialized
Cache initialized

Copy program from 0xbfc00000 to 0x80520000, length 0x0000c56c bytes ... done
Jump to SDRAM 0x80520cb4 [0x10000008, 0x00000000, 0x00000000]
Clear BSS section ... done
Stack: 0x8053e390
Heap: 0x8053e3a0



==================================================================
Wireless Gateway WG4005E Loader V0.03 build Mar 29 2005 15:25:28
                  Arcadyan Technology Corporation
==================================================================

Flash Found. It is 2MB Flash....

Copying boot params.....DONE
cpuFreq=240000000 sysFreq=60000000 cntFreq=120000000

Press any key to enter command mode ...
Memory Checking from 0xa0000000 to 0xa03fffff
Pattern [ 0x00000000 ] ........................
Pattern [ 0xffffffff ] ........................
Pattern [ 0xaaaaaaaa ] ........................
Pattern [ 0x55555555 ] ........................
Pattern [   serial   ] ........................
Address Overlap Test ......................
Passed.

Checking Valid Image in Flash...

Code image Signature Failed

Web image Signature Failed


[WG4005E Boot]:

这个是我用TTL线连接后出现的，该怎么做呢？下面那张是我敲回车之后出来的，如果不按一个4，路由器就不会启动，启动之后也不能当路由器使用无线也没有工作。好象是那个ROM彻底的崩溃了吧，

xgg5***

下载img文件升级FLASH就行了。。。