My Wrt320n Bricked Problem

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anahtar
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Joined: 09 Jan 2013
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PostPosted: Tue Jan 15, 2013 9:40    Post subject: My Wrt320n Bricked Problem Reply with quote
Hi everybody,
My router is WRT320N its bricked and I get only blinking power led.

I tried Jtag.here is what I did up to now.

1-I erase nvram and kernel then restart still dont ping.Since I dont ping,I can not use tftp.exe.
2-I flash cfe file. I download wrt320 cfe file and using hex editor I change mac,serial,p/n number and flashed but still I cant ping.
3-I use the command as wholeflash in JTAG. I download ddwrt firmware for WRT320N changed its name wholeflash.bin. I wait more than 4 hours but after flashing still I cant ping.

What can I do? Any Idea please?
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BasCom
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Joined: 29 Jul 2009
Posts: 1378
Location: Germany

PostPosted: Tue Jan 15, 2013 10:30    Post subject: Reply with quote
whole flash is not firmware file. wholeflash is ALL like cfe, nvram and linux. you did overwrite your cfe with nonsense.
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anahtar
DD-WRT Novice


Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 11:02    Post subject: Reply with quote
BasCom wrote:
whole flash is not firmware file. wholeflash is ALL like cfe, nvram and linux. you did overwrite your cfe with nonsense.


Really? Oh! can I recover my router?
Could you tell me how?
BasCom
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Joined: 29 Jul 2009
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Location: Germany

PostPosted: Tue Jan 15, 2013 12:38    Post subject: Reply with quote
reprogramm flash with cfe over jtag. you have already found cfe from cfe collection project.
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anahtar
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Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 13:44    Post subject: Reply with quote
BasCom wrote:
reprogramm flash with cfe over jtag. you have already found cfe from cfe collection project.


I flashed cfe it says succesful but I got still blinking led and cant ping.

I use these command:

jtag -flash:cfe /fc:22

I attached cfe file, I modified mac,serial,p/n..



cfe.bin
 Description:

Download
 Filename:  cfe.bin
 Filesize:  256 KB
 Downloaded:  516 Time(s)

BasCom
DD-WRT Guru


Joined: 29 Jul 2009
Posts: 1378
Location: Germany

PostPosted: Tue Jan 15, 2013 14:24    Post subject: Reply with quote
why /fc:22 ? let tjtag detect flash itself. fc22 indicates 2 mb flash (latest tjtag version). wrt320n has 8 mb. if possible, make a video of the procedureand upload it. or take several pictures.

md5sum your cfe file, flash it, rebackup it and compare both files with md5sum.

however, for full diagnoctic, serial output is needed.

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anahtar
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Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 14:48    Post subject: Reply with quote
BasCom wrote:
why /fc:22 ? let tjtag detect flash itself. fc22 indicates 2 mb flash (latest tjtag version). wrt320n has 8 mb. if possible, make a video of the procedureand upload it. or take several pictures.

md5sum your cfe file, flash it, rebackup it and compare both files with md5sum.

however, for full diagnoctic, serial output is needed.


I am using 3.01 version. In 3.01 " fc22 " 8mb serial flash.Tjtag does not detect flash if I let. I payed 5 dollars but my link didnt come thats why I use old program which I found on web.

I did what you said, before. I saw all data is 0000001a.

I attached procedur pictures..



proc.jpg
 Description:
 Filesize:  340.86 KB
 Viewed:  11658 Time(s)

proc.jpg



IMG_2539.JPG
 Description:
 Filesize:  66.2 KB
 Viewed:  11658 Time(s)

IMG_2539.JPG


barryware
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Joined: 26 Jan 2008
Posts: 13049
Location: Behind The Reset Button

PostPosted: Tue Jan 15, 2013 15:11    Post subject: Reply with quote
try adding the /byte_mode switch when you flash the cfe.

erase the cfe

flash the cfe adding /noerase /byte_mode

it will go very slow using byte_mode. I believe the 320 has an 8 bit buss so byte_mode is needed.

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BasCom
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Location: Germany

PostPosted: Tue Jan 15, 2013 15:14    Post subject: Reply with quote
did you set ip adresse correctly for tftp ?

if tjtag does not detect flash, it maybe defective. i had such a case years ago. i did flash cfe several times, but router didnt run at least.

wothout serial output, its difficult.

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barryware
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PostPosted: Tue Jan 15, 2013 15:19    Post subject: Reply with quote
I think that version of jtag has a problem with the 320.. It has been a while.. last time I had to fix one, I just pulled the flash chip and programmed it externally.
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anahtar
DD-WRT Novice


Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 15:20    Post subject: Reply with quote
barryware wrote:
try adding the /byte_mode switch when you flash the cfe.

erase the cfe

flash the cfe adding /noerase /byte_mode

it will go very slow using byte_mode. I believe the 320 has an 8 bit buss so byte_mode is needed.


Unfortunalety 3.01 does not support byte_mode Sad
BasCom
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Joined: 29 Jul 2009
Posts: 1378
Location: Germany

PostPosted: Tue Jan 15, 2013 17:28    Post subject: Reply with quote
get newer version.
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anahtar
DD-WRT Novice


Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 18:39    Post subject: Reply with quote
BasCom wrote:
get newer version.


Tornado is gone. He does not respond my mails. Could you send me Tjtag 3.02 version please ? I need to solve this problem today Sad

My Mail: buraknazif@gmail.com
anahtar
DD-WRT Novice


Joined: 09 Jan 2013
Posts: 10

PostPosted: Tue Jan 15, 2013 21:07    Post subject: Reply with quote
@BasCom
@barryware

I read this:http://www.dd-wrt.com/phpBB2/viewtopic.php?t=22655

Everybody(included Tornado) says 3.01 and 3.02 rc2 tjtag does not unbrick WRT320N... Could you give me link of 3.02 version ? not RC version please..
BasCom
DD-WRT Guru


Joined: 29 Jul 2009
Posts: 1378
Location: Germany

PostPosted: Tue Jan 15, 2013 21:22    Post subject: Reply with quote
i guess tornado dont want us sending his version through hole world, since he wants some donation for his work.

however, i dont have it.

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