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做好了JTAG线 连上了路由 然后运行备份nvram命令
忘记说明 : 我的flash芯片是mx29lv320a
下面是软件支持的同公司产品 没有我的型号 我的后缀是a
/fc:29 ..... MX29LV320B 2Mx16 BotB (4MB)
/fc:30 ..... MX29LV320B 2Mx16 BotB (4MB)
/fc:31 ..... MX29LV320T 2Mx16 TopB (4MB)
/fc:32 ..... MX29LV320T 2Mx16 TopB (4MB)
难道是因为这个???是不是还要我重新些FLASH地址? 没有找到相关教程 有知道的帮忙告诉下了
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Microsoft Windows XP [版本 5.1.2600]
(C) 版权所有 1985-2001 Microsoft Corp.
C:\Documents and Settings\Administrator>cd c:\\jtag
C:\jtag>
C:\jtag>wrt54g.exe -backup:nvram
====================================
WRT54G/GS EJTAG Debrick Utility v4.5
====================================
Probing bus ... Done
Instruction Length set to 5
CPU Chip ID: 00000100011100000100000101111111 (0470417F)
*** Unknown or NO CPU Chip ID Detected ***
*** Possible Causes:
1) WRT54G/GS is not Connected.
2) WRT54G/GS is not Powered On.
3) Improper JTAG Cable.
4) Unrecognized CPU Chip ID.
C:\jtag>wrt54g.exe -backup:nvram /skipdetect /instrlen:8
====================================
WRT54G/GS EJTAG Debrick Utility v4.5
====================================
Probing bus ... Done
Instruction Length set to 8
CPU Chip ID: 00000100011100000100000101111111 (0470417F)
*** CHIP DETECTION OVERRIDDEN ***
- EJTAG IMPCODE ....... : 00000000100000000000100100000100 (00800904)
- EJTAG Version ....... : 1 or 2.0
- EJTAG DMA Support ... : Yes
Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Done
Halting Processor ... <rocessor did NOT enter Debug Mode!> ... Done
Clearing Watchdog ... Done
Probing Flash at (Flash Window: 0x1fc00000) ... DMA Read Addr = 1fc00000 Data =
(00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
一直这样下去 偶尔有时候能备份个11% 然后就出现DMA Read Addr = 1fc00002 Data = (00000000)ERROR ON READ
DMA Read Addr = 1fc00000 Data = (00000000)ERROR ON READ
FLASH问题? 有一次显示成功的 但备份出来的NVRAM也才64KB 好像大小不对 |
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