DD-WRT Support for the AirLink101 AR725W Router

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akcam2006
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Joined: 21 Jan 2009
Posts: 60

PostPosted: Wed Jan 20, 2010 8:09    Post subject: DD-WRT Support for the AirLink101 AR725W Router Reply with quote
Hello,

I am currently running DD-WRT on my Microsoft MN-700 and Dynex DX-NUTER router. Recently I purchased a AirLink 101 AR725W to help speed up my internal lan but the firmware on it does not support bridging. I would like to install DD-WRT but there is no support for this router yet. I am hoping that by providing the following information you can help me find a firmware that will work.

AirLink101 AR725W
http://www.airlink101.com/products/ar725w.php

FCC ID: MXF-R971009GN
CPU: TR2880F
MEM: V54C3128164VCI6
FLASH: EN29LV320AB-70TCP
ETHERNET: IP175E
BOARD: WRTR-241N_V01
VOLTAGE: 12V/1A

I wanted to backup the nvram (cfe.bin) however I couldn’t figure out a way to make the backup using HyperTerminal with the original firmware installed. If you have any recommendations I would be willing to give them a try.

To connect I had to use the following settings in HyperTerminal:
Bits per second: 57600
Data bits: 8
Parity: None
Stop bits: 1
Flow control: None

Thanks in advance for the help,

akcam2006
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akcam2006
DD-WRT User


Joined: 21 Jan 2009
Posts: 60

PostPosted: Wed Jan 20, 2010 8:12    Post subject: AirLink101 AR725W Additional Files Reply with quote
Here is the bootlog, ifconfig, and serial pinouts.

akcam2006
Sash
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Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Wed Jan 20, 2010 12:25    Post subject: Reply with quote
amount of ram/flash?
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akcam2006
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Joined: 21 Jan 2009
Posts: 60

PostPosted: Wed Jan 20, 2010 14:11    Post subject: Mem & Flash Reply with quote
In the boot log above it looks like there is:

Flash: 8 MB
Mem: 32 MB
Sash
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Joined: 20 Sep 2006
Posts: 17619
Location: Hesse/Germany

PostPosted: Wed Jan 20, 2010 16:57    Post subject: Reply with quote
u can try to flash existing 2880 images via serial and report back
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akcam2006
DD-WRT User


Joined: 21 Jan 2009
Posts: 60

PostPosted: Thu Jan 21, 2010 5:42    Post subject: Info needed Reply with quote
Ok, after 5 hours of surfing the web and the forum I was unable to find any help on how to backup my cfe.bin file over the serial connection or how to flash dd-wrt over a serial connection. I don't mind trying to flash this thing but I need some help as to what command lines to use to get it done.

Thanks in advance.

Update:

Ok, I have been playing with this thing some more and it seems like the only problem with TFTP flashing this thing is that the memory is locked (protected).

Set info->start[0]=BC400000
flash_protect ON: from 0xBC400000 to 0xBC429F87
protect on 0
protect on 1
protect on 2
flash_protect ON: from 0xBC430000 to 0xBC43FFFF
protect on 3
Flash: 8 MB

So when I start to run tftp2.exe with the dd-wrt bin file I get the following:

Starting Watchdog function !!!!!!!
DYN_Check: tftp_count.pkts = 3, tftp_count.old_pkts = 0
DYN_Check: tftpd executed.
Dante's tiny TFTP Server is ready on port 69
WRequest from 192.168.1.100: [ar670w-ddwrt-webflash.bin], [octet]
Error: invalid packet formatWRequest from 192.168.1.100: [ar670w-ddwrt-webflash.
bin], [octet]

When I use Dray Tec Firmware update tool I get the following:

# recv [airlink-factory-webflash.bin], 3626916 bytes
Upgrading.
killall: psmon: no process killed
killall: igmp: no process killed
killall: zebra: no process killed
killall: ripd: no process killed
killall: upnp: no process killed
killall: conn_log: no process killed
killall: udhcpc: no process killed
killall: ppp: no process killed
killall: pppd: no process killed
killall: easytest: no process killed
Exiting Syslogd!
killall: tproxy: no process killed
killall: exeNtp: no process killed
killall: easyconf: no process killed
killall: ResetDefault: no process killed
killall: udhcpd: no process killed
check_WPS_status : WSCStatus is 1 now...STATUS_WSC_IDLE
Starting Watchdog function !!!!!!!

Any ideas how to turn off the protection mode?
akcam2006
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Joined: 21 Jan 2009
Posts: 60

PostPosted: Wed Jan 27, 2010 6:19    Post subject: Bad news Reply with quote
It looks like this project is over before it started. I didn’t get any responses for my request for help so I started playing around and deleted my flash memory. Now I not only have no idea how to flash my routers firmware, I also have no idea how to get my computer to start talking to the router over serial again. It looks like someone else will need to help figure this one out.

Here is what I ran:

RT2880 # run u_b
Un-Protect Flash Sectors 0-1 in Bank # 1
Erase Flash Sectors 0-1 in Bank # 1

erase sector = 0

Elase Sector 0 with 8K SIZE,The sector 0 is Total 64K

Exit Sector 0 erase !!

erase sector = 1
*sect = 1,s_last = 1,erase poll = 449873
done
Usage:
cp - memory copy

As it turns out u_b equals this:

u_b=protect off 1:0-1;era 1:0-1;cp.b 8A100000 BC400000 $(filesize)

If anyone has any ideas how to fix this thing, I would love to hear them.
ZipLipZ
DD-WRT Novice


Joined: 08 Jul 2010
Posts: 2

PostPosted: Sun Nov 28, 2010 17:03    Post subject: Reply with quote
Did you ever get any traction on this? I woud love to have DD-WRT on my Airlink router. I've googled and searched the forums but haven't been able to find anything really. Did you get anywhere? I to intend to run this device in bridge mode if I can.
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