Sinus154 komfort can be SMC2804wbrp-g!

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Dear Friends,

I see that Sinus154 Komfort is one of most popular routers in Germany. I think this thead can be interesting for you.

It is possible to reflash Sinus154 Komfort onto SMC2804wbrp-g. Both ones are identical regarding hardware.

Here is procedure:

At the beginning you have to replace boot loader from v1.6 (Sinus) to v1.3 (SMC)
There are two methods:

-1st one is to remove flash chip and reprogram first 128kb with new contents in the external programmer (I use willem programmer)
-2nd one is to add RS232 port to your router. You can notice that router mainboard has empty place for RS232 port. Near that place you can find 2x5 pin connector. I used this web site to get to know pinouts.

http://ar7-firmware.berlios.de/devices/


Sinus 154

10 3,3 V
9 GND
5 out
3 in


9___5_3_1
o_x_o_o_x
o_x_x_x_x
10______2

Like you see, it is easy to add to the mensioned connector an additional RS232 converter made on popular MAX232 (Maxim). Now you can replace boot loader via terminal console. I suggest free of charge console, called Tera Term Pro.

http://hp.vector.co.jp/authors/VA002416/ttermp23.zip

Set transmission speed 115200 bauds and proper Com port. For safety reason save your configuration in the Setup/Save Setup menu.

If it works properly you can observe how your router works in the console!

Just after router start (switch one off and on) try to hit any key, then press ! key and you will get in the supervisor console. See it (live example)

===========================================================
W-LAN Router BRN Loader V1.6 build Jan 30 2004 20:03:05
Broad Net Technology, INC.
===========================================================

read(0)= 24576 read(2)=16410
AMD Am29LV160DB bottom boot 16-bit mode found

Copying boot params.....DONE

Press any key to enter command mode ...

[BRN Boot]:!

Enter Administrator Mode !

======================
Upload to Flash
[E] Erase Flash
[M] Upload to Memory
[R] Read from Memory
[W] Write to Memory
[T] Memory Test
[Y] Go to Memory
[G] Run Runtime Code
[A] Set MAC Address
[#] Set Serial Number
[V] Set Board Version
Serial Test
Parallel Test
[P] Print Boot Params
======================

[BRN Boot]:u


UPLOAD Flash
--------------------------------------
Area Address Length
--------------------------------------
[0] Boot 0xBFC00000 128K
[1] Configuration 0xBFC20000 64K
[2] Web Image 0xBFC30000 192K
[3] Code Image 0xBFC60000 576K
[4] Boot Params 0xBFCF0000 64K
[5] WEB UI System 0xBFD00000 1024K
--------------------------------------
Enter area to UPLOAD: 0
Upload area 0. Are you sure? (Y/n) Yes
erase from location BFC00000 done
erase from location BFC04000 done
erase from location BFC06000 done
erase from location BFC08000 done
erase from location BFC10000 done

Starting XModem download...(press Enter to abort)
CCCC
Starting to write flash...write length 00020000
01234567
Done!


[BRN Boot]:




Press U, select 0 and confirm it by Y (case sensitive)

BE CAREFULL. Boot code area will be erased. Do not switch your router off , restart one or close terminal console. Your router can be bricked!!!

Okay, Shall we say you know what you do. In the console you will see CCCC
marks meanig that router is waiting for boot code transfer via Xmodem protocol. Select
menu file File/Transfer/Xmodem/Send and give path for new boot loader file.
Transfer will start.
When something goes wrong and transfer stops in half way, do not panic!!! Do not switch your router off , restart one or close terminal console. Your router can be bricked!!!

Just abort transfer (how to message there is in the console) and select U, 0 , Y again

When progress indicator is 100% it is almost certain that everything is okay.

Now you can restart router and replace main firmware via recovery web screen (reset whilst switching router on).

If something went badly and your router is bricked the only chance to bring one to life is flash reprogramming in the external programmer. I did it once (fortunatelly)

Here are necessary files. It is polish electronics forum and you have to register to get files.

http://www.elektroda.pl/rtvforum/viewtopic.php?t=683896&highlight=

In the same way you can restore your original boot loader. I have noticed that loader 1.3 (smc) can support sinus firmware . Sinus firmware has the BNR154KOM signature inside whilst smc firmware has BRNW signature. You have to change signature when you get "model mismatch" message.

Via console you can program mac adress also! Just hit enter key instead of ! key. You will see yet another menu. Example below

===========================================================
W-LAN Router BRN Loader V1.6 build Jan 30 2004 20:03:05
Broad Net Technology, INC.
===========================================================

read(0)= 24576 read(2)=16410
AMD Am29LV160DB bottom boot 16-bit mode found

Copying boot params.....DONE

Press any key to enter command mode ...

[BRN Boot]:

======================
Upload to Flash
[E] Erase Flash
[G] Run Runtime Code
[A] Set MAC Address
[#] Set Serial Number
[V] Set Board Version
Serial Test
Parallel Test
[P] Print Boot Params
======================

[BRN Boot]:



Be careful because you can damage your router and it is your risk!!!

Have a luck. Greetings from Poland.
 
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