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WZR-600DHP2 Bricked

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redhawk0
DD-WRT Guru

Joined: 04 Jan 2007
Posts: 11564
Location: Wherever the wind blows- North America

Posted: Sat Oct 04, 2014 11:58 Post subject:

tgiannak wrote:

thanks man..but just try it and nothing! im keep trying but the router is solid on all lights..65 bucks gone! Laughing

redhawk pm your address to donate it!

thanks guys for your help..

Keep trying...but if you do give up...PM sent with an address.

And Malachi is right...the screws are likely under the stickers or rubber feet.

redhawk
_________________
The only stupid question....is the unasked one.

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tgiannak
DD-WRT Novice

Joined: 02 Oct 2014
Posts: 11

Posted: Sat Oct 04, 2014 15:41 Post subject:
heyy managed to open it! someone point me the jtag pins?? or serial?? raw image http://oi60.tinypic.com/10xvsap.jpg

Malachi
DD-WRT Guru

Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

Posted: Sat Oct 04, 2014 18:10 Post subject:
Forget jtag. No support. Serial should be mji or mj5. Or maybe the pinout where it says uart to USB. Never seen a pinout like that. Interesting. _________________ I am far from a guru, I'm barely a novice.

mozuku
DD-WRT Novice

Joined: 06 Oct 2014
Posts: 16

Posted: Mon Oct 06, 2014 17:18 Post subject: serial connection

tgiannak wrote:

heyy managed to open it!

someone point me the jtag pins?? or serial??

raw image

http://oi60.tinypic.com/10xvsap.jpg

J14 is serial connection.

tgiannak
DD-WRT Novice

Joined: 02 Oct 2014
Posts: 11

Posted: Mon Oct 06, 2014 17:28 Post subject: Re: serial connection

mozuku wrote:

J14 is serial connection.

man just measured it with a meter and you are right!!

im waiting now usb to ttl adapter!

fingers crossed! Cool

Malachi
DD-WRT Guru

Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

Posted: Mon Oct 06, 2014 19:18 Post subject:
I looked all over and didn't see that. My fault. _________________ I am far from a guru, I'm barely a novice.

tgiannak
DD-WRT Novice

Joined: 02 Oct 2014
Posts: 11

Posted: Mon Oct 06, 2014 19:45 Post subject:

Malachi wrote:

I looked all over and didn't see that. My fault.

dont worry man..thank you for your help anyway Wink

mozuku
DD-WRT Novice

Joined: 06 Oct 2014
Posts: 16

Posted: Wed Oct 08, 2014 3:07 Post subject: Re: serial connection

tgiannak wrote:

mozuku wrote:

J14 is serial connection.

man just measured it with a meter and you are right!!

im waiting now usb to ttl adapter!

fingers crossed! Cool

I recovered my bricked 600dhp2.
I'm not sure if this is correct.

1)Set up UART cable and terminal software

my cable
USB-UART/chipset PL2303HX/logic level 3.3v

serial parameters
Speed (baud rate): 115200
Bits: 8
Parity: None
Stop Bits: 1
Flow Control: None

Driver
http://prolificusa.com/portfolio/pl2303hx-rev-d-usb-to-serial-bridge-controller/

2)Connect cable to J14

RX-TX(cross-connection),GND

3)Power on 600DHP2

4)Automatic startup canceled via Ctrl-C(keep pressing when boot)

5)"CFE>" prompt on the serial console
(Resets all nvram parameters to their default values and reboot,if necessary)

6)Download US Buffalo N600 firmware file and convert bin to trx

http://www.buffalotech.com/products/wireless/open-source-dd-wrt/airstation-n600-dd-wrt-router

windows dd
http://www.chrysocome.net/dd

dd command
dd if=wzr600dhp2d-v24sp2-23709a.bin of=firmware.trx bs=32 skip=1

7)tftp flash(wired LAN)

cfe command
CFE>flash -noheader 192.168.1.xxx:firmware.trx nflash0.trx
(xxx is tftp server ip address. It takes a few minutes.)
CFE>go
(Wait to complete tasks)

8)reboot router

9)access the router's web-based setup page

N600 Quick Setup Guide
http://www.buffalotech.com/support-and-downloads/download/1750DHPD_600DHPD_300HP2D_QSG.pdf

10)reinstall N600 original(.bin) firmware from Administration menu
(Just to be safe)

11)install dd-wrt firmware from Administration menu
(N600 build 23709a to dd-wrt build 24160)

12)Hardware(30/30/30)reset

tgiannak
DD-WRT Novice

Joined: 02 Oct 2014
Posts: 11

Posted: Wed Oct 08, 2014 8:26 Post subject:
thanks man...im just waiting the usb-ttl adapter to try it out... also i read that you can just start tftpd server on cfe prompt and then you can upload from your computer tftp - i 192.xxx.xxx.xxx put xxx.bin no need to make trx..but your method sounds better if the router is in more "bad" shape?? i dont know if i make any sense

mozuku
DD-WRT Novice

Joined: 06 Oct 2014
Posts: 16

Posted: Wed Oct 08, 2014 9:25 Post subject:

tgiannak wrote:

thanks man...im just waiting the usb-ttl adapter to try it out...

also i read that you can just start tftpd server on cfe prompt and then you can upload from your computer
tftp - i 192.xxx.xxx.xxx put xxx.bin

no need to make trx..but your method sounds better if the router is in more "bad" shape?? i dont know if i make any sense Very Happy

I tried to flash bin files too.
But cfe flash command is not accepted. Crying or Very sad

aboaboit
DD-WRT Novice

Joined: 07 May 2017
Posts: 2

Posted: Sun Jul 23, 2017 19:12 Post subject: Re: serial connection

mozuku wrote:

6)Download US Buffalo N600 firmware file and convert bin to trx

http://www.buffalotech.com/products/wireless/open-source-dd-wrt/airstation-n600-dd-wrt-router

windows dd
http://www.chrysocome.net/dd

dd command
dd if=wzr600dhp2d-v24sp2-23709a.bin of=firmware.trx bs=32 skip=1

7)tftp flash(wired LAN)

cfe command
CFE>flash -noheader 192.168.1.xxx:firmware.trx nflash0.trx
(xxx is tftp server ip address. It takes a few minutes.)
CFE>go
(Wait to complete tasks)

Hi.

Back when I first bought the router I managed to install first dd-wrt then Lede, only to discover that Lede has very poor HW support for this model.

So I've been trying to go back to either stock or any DD, including the so-called "pro" version published by Buffalo itself. I've opened the case, soldered the serial port cable and I was good to go, or so I thought.

I have tried loading the following files:
wzr600dhp2-pro-v23sp2-23709a-eu.bin
factory-to-dd-wrt.bin
(I also have the latest stock USA and EU versions)

My steps are:
WZR) booting
WZR hitting Ctrl-C at CFE prompt
WZR) flash -noheader : nflash0.trx
note: tried also nflash1.trx and the ":" is a shorthand to start a tftp server on the router
PC) put whateverfile
note: flash appears to be fine and CFE is still responding
WZR) nvram set bootpartition 0
WZR) nvram commit
WZR) go

then it will say: "nflash1.trx CRC check failed!" and reboot, switching again to partition 1 (where Lede used to be... now it just bootloops because I tried mtd to write the image and I wasn't lucky Razz

)

There is clearly something that is eluding me... can anyone help?
Thanks.

mozuku
DD-WRT Novice

Joined: 06 Oct 2014
Posts: 16

Posted: Fri Sep 01, 2017 13:40 Post subject: Re: serial connection

aboaboit wrote:

mozuku wrote:

)

There is clearly something that is eluding me... can anyone help?
Thanks.

In order to switch from BrainSlayer to Kong, I reinstalled dd-wrt.v24-K3_AC_ARM_STD.bin (33010) in another way.
(WZR-600DHP2 is almost the same model as WZR-900DHP)

1)Hardware reset.

2)CFE Flash.

LOG:

CFE> flash -erase nflash1.trx
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0
CFE>
CFE> flash -erase nflash1.trx2
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0
CFE>
CFE> flash -noheader 192.168.1.2:firmware.ram nflash1.trx
Reading 192.168.1.2:firmware.ram: Done. 23543808 bytes read
Programming...done. 23543808 bytes written
*** command status = 0
CFE>
CFE> flash -noheader 192.168.1.2:firmware.ram nflash1.trx2
Reading 192.168.1.2:firmware.ram: Done. 23543808 bytes read
Programming...done. 23543808 bytes written
*** command status = 0
CFE>
CFE>go

3)reboot router.

4)access the router's web-based setup page.

5)reinstall Kong firmware from Administration menu twice.
(Just to be safe)

deslatha
DD-WRT User

Joined: 12 Jul 2016
Posts: 186

Posted: Fri Sep 01, 2017 18:01 Post subject: Re: serial connection

[quote="mozuku"][quote="aboaboit"]

mozuku wrote:

CFE> flash -erase nflash1.trx
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0
CFE>
CFE> flash -erase nflash1.trx2
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0

5)reinstall Kong firmware from Administration menu twice.
(Just to be safe)

One need to be mention that you need to clean nand up aka empty trash in window. bk mtdblock1=nvram

code:

CFE> flash -erase nflash1.brcmnand

or in login, code:

erase mtdblock6
or
erase mtd6
or
erase brcmnand

now after login webGUI restore nvram. you may noting that temperature of cpu going down due too may crap routing storing in this area.

mozuku
DD-WRT Novice

Joined: 06 Oct 2014
Posts: 16

Posted: Sat Sep 02, 2017 7:38 Post subject: Re: serial connection

[quote="deslatha]

Quote:

I tried installing again according to advice.

1)Hardware reset.

2)CFE Flash.

LOG:

CFE> nvram erase
*** command status = 0
CFE>
CFE> show devices
Device Name Description
------------------- ---------------------------------------------------------
uart0 NS16550 UART at 0x18000300
uart1 NS16550 UART at 0x18000400
nflash0 Unknown type 146 NAND flash size 131072KB
nflash0.boot Unknown type 146 NAND flash offset 00000000 size 512KB
nflash0.bootp Unknown type 146 NAND flash offset 00080000 size 128KB
nflash0.nvram Unknown type 146 NAND flash offset 000A0000 size 1408KB
nflash0.trx Unknown type 146 NAND flash offset 00200000 size 1KB
nflash0.os Unknown type 146 NAND flash offset 0020001C size 31744KB
nflash0.trx2 Unknown type 146 NAND flash offset 02100000 size 1KB
nflash0.os2 Unknown type 146 NAND flash offset 0210001C size 31744KB
nflash1.boot Unknown type 146 NAND flash offset 00000000 size 512KB
nflash1.bootp Unknown type 146 NAND flash offset 00080000 size 128KB
nflash1.nvram Unknown type 146 NAND flash offset 000A0000 size 1408KB
nflash1.trx Unknown type 146 NAND flash offset 00200000 size 31744KB
nflash1.trx2 Unknown type 146 NAND flash offset 02100000 size 31744KB
nflash1.brcmnand Unknown type 146 NAND flash offset 04000000 size 64512KB
nflash1.bbt Unknown type 146 NAND flash offset 07F00000 size 1024KB
eth0 Broadcom BCM47XX 10/100/1000 Mbps Ethernet Controller
*** command status = 0
CFE>
CFE> flash -erase nflash1.trx
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0
CFE>
CFE> flash -erase nflash1.trx2
Erase whole mtd partition!
Erase range: 0x0 - 0x1f00000
*** command status = 0
CFE>
CFE> flash -erase nflash1.brcmnand
Erase whole mtd partition!
Erase range: 0x0 - 0x3f00000
*** command status = 0
CFE>
CFE> flash -noheader 192.168.1.2:firmware.ram nflash1.trx
Reading 192.168.1.2:firmware.ram: Done. 23543808 bytes read
Programming...done. 23543808 bytes written
*** command status = 0
CFE>
CFE> flash -noheader 192.168.1.2:firmware.ram nflash1.trx2
Reading 192.168.1.2:firmware.ram: Done. 23543808 bytes read
Programming...done. 23543808 bytes written
*** command status = 0
CFE>
CFE>go

3)reboot router.

4)access the router's web-based setup page.

5)reinstall Kong firmware from Administration menu twice.
Select menu of "Reset to Default setting".
(Just to be safe)

There was no partition named of "mtd6" or "brcmnand".

TELNET LOG:

DD-WRT v3.0-r33010M kongac (c) 2017 NewMedia-NET GmbH
Release: 08/09/17

DD-WRT login: root
Password:
==========================================================

___ ___ _ _____ ______ ____ ___
/ _ \/ _ \___| | /| / / _ \/_ __/ _ __|_ / / _ \
/ // / // /___/ |/ |/ / , _/ / / | |/ //_ <_/ // /
/____/____/ |__/|__/_/|_| /_/ |___/____(_)___/

DD-WRT v3.0
http://www.dd-wrt.com

==========================================================

BusyBox v1.27.1 (2017-08-09 20:07:16 CEST) built-in shell (ash)

root@DD-WRT:~# cat /proc/mtd
dev: size erasesize name
mtd0: 00080000 00020000 "boot"
mtd1: 00160000 00020000 "nvram"
mtd2: 03e00000 00020000 "linux"
mtd3: 03c60000 00020000 "rootfs"
mtd4: 03700000 00020000 "ddwrt"

Around 70 degrees in this router is normal temperature.

aboaboit
DD-WRT Novice

Joined: 07 May 2017
Posts: 2

Posted: Sun Oct 01, 2017 14:31 Post subject: Re: serial connection

mozuku wrote:

In order to switch from BrainSlayer to Kong, I reinstalled dd-wrt.v24-K3_AC_ARM_STD.bin (33010) in another way.
(WZR-600DHP2 is almost the same model as WZR-900DHP)

Where can I get the relevant files? Also, can I use this procedure to go back to stock?

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