ZyXEL NBG419N - potential for DD-WRT

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GnatGoSplat
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Joined: 17 Nov 2006
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PostPosted: Fri Oct 30, 2009 2:13    Post subject: ZyXEL NBG419N - potential for DD-WRT Reply with quote
I just picked up a ZyXEL NBG419N. They are $29.99 from buy.com. It seems a good candidate for DD-WRT since it's very similar to the Buffalo WHR-G300N, it may even run the WHR-G300N's DD-WRT as-is since all internal chips seem identical. However, its stock firmware seems very good with AP client and repeater features.

FCC ID: I88NBG419N

CPU: Ralink RT3052F
RAM: 32MB (2x IC42S16800E-6TL)
Flash: 4MB (29LV320DBTI-70G)

Other nice features:
- RP-SMA connectors for both external antennas.
- Easy to disassemble, housing held together with only 2 Phillips screws, no snaps or clips.
- 4-pin serial header pre-installed.
- Small heatsink on CPU.
- Solder pads for JTAG (no header).

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Sash
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PostPosted: Fri Oct 30, 2009 9:31    Post subject: Reply with quote
do
http://dd-wrt.com/site/support/router-detection

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GnatGoSplat
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PostPosted: Fri Oct 30, 2009 19:00    Post subject: Reply with quote
Internals look identical to the FCC ID link I posted above (click the FCC ID, then go to Internal Photos).
Unfortunately, I'm probably not keeping this router (poor range) so I don't want to modify it for JTAG.

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Shawn
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PostPosted: Fri Oct 30, 2009 19:27    Post subject: Reply with quote
as i see its about 50€ here in germany
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GnatGoSplat
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PostPosted: Fri Oct 30, 2009 20:13    Post subject: Reply with quote
I'm curious if WHR-G300N's DD-WRT can work in it. It looks like every single chip is the same between the two. Maybe if I can boost Xmit power beyond defaults, it can improve the range. I would just be worried about being able to go back to stock if necessary.

Is there any way to tell if stock FW is encrypted? It is here: http://www.zyxel.com/web/download.php?FileName=200901150854332009011508490020041105154230_20090521_1.00(BFQ.0)C0-NBG-419N_V1.00(BFQ.0)C0.zip&BuildFlag=head_quarter. I did look at it in a hex editor, but nothing in there made sense to me.

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Encore2097
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Joined: 07 Sep 2007
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PostPosted: Fri Nov 27, 2009 2:08    Post subject: Reply with quote
Took a look at it because I'm considering buying this router as it has good specs and is relatively cheap.

A quick glance shows its booting up the linux kernel, so hopefully the source code should be available somewhere.
Sash
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PostPosted: Sun Nov 29, 2009 12:19    Post subject: Reply with quote
still waiting for exact hw info!!!
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Pat.rick
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PostPosted: Mon Dec 21, 2009 0:43    Post subject: Reply with quote
I'd love to see if DD-WRT can run on this router as well.
Skelshy
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PostPosted: Mon Dec 21, 2009 7:30    Post subject: Reply with quote
I have one, but it doesn't yield its secrets very willingly. I can see what I think is a flash chip on top, then there's a chip with some sort of plate glued on, and two shielded boxes. There are what I think are two RAM chips at the bottom.
Sash
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PostPosted: Mon Dec 21, 2009 10:18    Post subject: Reply with quote
someone has to add serial and give us a serial log
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Skelshy
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PostPosted: Tue Dec 22, 2009 4:44    Post subject: Reply with quote
Is this rs-232 serial (does it connect to a PC if I can fashion a cable?)
lividity
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Joined: 20 Jan 2010
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PostPosted: Wed Jan 20, 2010 8:06    Post subject: I'm curious about this too :\ Reply with quote
Here's the info on the router
http://www.us.zyxel.com/Products/details.aspx?PC1IndexFlag=20040520161256&CategoryGroupNo=2F39BF6F-E115-4047-A6C9-36833483A7CA

Seems they are open source friendly.

They allow people to have access to their source code.
ftp://opensource.zyxel.com/NBG-419N/

I'm going to purchase one and hope for dd-wrt support Razz
Mordak
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PostPosted: Wed Jan 20, 2010 10:31    Post subject: Reply with quote
Well in the first line of the firmware file it says Linux Kernel Image so it's running embedded Linux of some sort.
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lividity
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PostPosted: Thu Jan 21, 2010 11:38    Post subject: Detailed info on this router Reply with quote
All support and certification documentation:

http://www.us.zyxel.com/Support/Download-Library-Result.aspx?mif=20090115084900

Source code for the router:
ftp://opensource.zyxel.com/NBG-419N/

Firmware:
http://www.zyxel.com/web/download.php?FileName=200901150854332009011508490020041105154230_20091127_1.00%28BFQ.1%29C0-NBG-419N_V1.00%28BFQ.1%29C0.zip&BuildFlag=head_quarter

FCC information:
https://fjallfoss.fcc.gov/oetcf/eas/reports/GenericSearch.cfm
Grantee Code: I88
Product Code: NBG419N

Detailed FCC documents:
https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout=500&calledFromFrame=N&application_id=395499&fcc_id=%27I88NBG419N%27

External photos:
https://fjallfoss.fcc.gov/prod/oet/forms/blobs/retrieve.cgi?attachment_id=1180977&native_or_pdf=pdf

Internal Photos:
https://fjallfoss.fcc.gov/prod/oet/forms/blobs/retrieve.cgi?attachment_id=1180980&native_or_pdf=pdf

Hope this helps ^_________^
nivanov
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Joined: 21 Jan 2010
Posts: 5

PostPosted: Thu Jan 21, 2010 18:12    Post subject: Reply with quote
I also just purchased this router from Buy.com for $30 shipped. I'm planning to use it as an access point (keep my current router for DHCP and all that other stuff), but would love to replace the whole thing completely with this router and dd-wrt.

Does the dd-wrt team need any specs/photos pulled from the router? I'll be getting it next week and I can take it apart and do other sorts of hackery to it, if need be.
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