Linksys WRT54GS v7.2
bg (G54) | |||||||||||||||||||||||||||||||||||||||||||||||||
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Wireless-G Broadband Router with SpeedBooster | |||||||||||||||||||||||||||||||||||||||||||||||||
Support | |||||||||||||||||||||||||||||||||||||||||||||||||
Wikipedia | |||||||||||||||||||||||||||||||||||||||||||||||||
InfoDepot Wiki | |||||||||||||||||||||||||||||||||||||||||||||||||
WikiDevi.wi-cat.ru | |||||||||||||||||||||||||||||||||||||||||||||||||
3rd Party Firmware | |||||||||||||||||||||||||||||||||||||||||||||||||
dd-wrt | |||||||||||||||||||||||||||||||||||||||||||||||||
OpenWrt |
Not for 2MB Devices | ||||||||||||||||||||||||||||||||||||||||||||||||
Tomato any flavor |
Not for 2MB Devices | ||||||||||||||||||||||||||||||||||||||||||||||||
Gargoyle |
Incompatible | ||||||||||||||||||||||||||||||||||||||||||||||||
Platform | |||||||||||||||||||||||||||||||||||||||||||||||||
Brand • Model • Rev |
Linksys WRT54GS v7.2 | ||||||||||||||||||||||||||||||||||||||||||||||||
Serial number prefix |
CGNE | ||||||||||||||||||||||||||||||||||||||||||||||||
FCC ID | |||||||||||||||||||||||||||||||||||||||||||||||||
IC ID | |||||||||||||||||||||||||||||||||||||||||||||||||
Type |
wireless router | ||||||||||||||||||||||||||||||||||||||||||||||||
Series |
WRT54GS | ||||||||||||||||||||||||||||||||||||||||||||||||
CPU1 | |||||||||||||||||||||||||||||||||||||||||||||||||
CPU1 Type |
MIPS BMIPS3300 (R1) | ||||||||||||||||||||||||||||||||||||||||||||||||
CPU1 Speed |
240 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||
Flash1 Chip |
Samsung K8D1716UBC-PI07 | ||||||||||||||||||||||||||||||||||||||||||||||||
Flash1 Size |
2 MiB2,097,152 B <br />16,384 Kib <br />2,048 KiB <br />16 Mib <br />0.00195 GiB <br /> (Parallel) | ||||||||||||||||||||||||||||||||||||||||||||||||
RAM1 Size |
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> | ||||||||||||||||||||||||||||||||||||||||||||||||
RAM1 Chip |
Samsung K4S281632K-UC75 | ||||||||||||||||||||||||||||||||||||||||||||||||
nvram Size |
32K | ||||||||||||||||||||||||||||||||||||||||||||||||
ETH chip1 | |||||||||||||||||||||||||||||||||||||||||||||||||
Switch | |||||||||||||||||||||||||||||||||||||||||||||||||
Ethernet Port Count |
1-100MbE-WAN 4-100MbE-LAN | ||||||||||||||||||||||||||||||||||||||||||||||||
Wired Standard |
IEEE 802.3/3u | ||||||||||||||||||||||||||||||||||||||||||||||||
Stock bootloader |
BSP | ||||||||||||||||||||||||||||||||||||||||||||||||
Stock FW OS |
VxWorks | ||||||||||||||||||||||||||||||||||||||||||||||||
Expansion IF types |
none specified | ||||||||||||||||||||||||||||||||||||||||||||||||
Power |
12 VDC, 0.5 A | ||||||||||||||||||||||||||||||||||||||||||||||||
Connector type |
barrel | ||||||||||||||||||||||||||||||||||||||||||||||||
Serial Port (UART) |
yes, 5-pin header, unpopulated, (115200 8N1) | ||||||||||||||||||||||||||||||||||||||||||||||||
JTAG Port |
yes, 12-pin header, unpopulated | ||||||||||||||||||||||||||||||||||||||||||||||||
Other | |||||||||||||||||||||||||||||||||||||||||||||||||
Default SSID: linksys (53 addl. devices) | |||||||||||||||||||||||||||||||||||||||||||||||||
Default Channel(s) |
6 | ||||||||||||||||||||||||||||||||||||||||||||||||
Manuf/OEM/ODM | |||||||||||||||||||||||||||||||||||||||||||||||||
3rd Party Firmware Support | |||||||||||||||||||||||||||||||||||||||||||||||||
Retail | |||||||||||||||||||||||||||||||||||||||||||||||||
FCC approval date | 07 November 2007 | ||||||||||||||||||||||||||||||||||||||||||||||||
Country of manuf | China | ||||||||||||||||||||||||||||||||||||||||||||||||
Radio 1 | |||||||||||||||||||||||||||||||||||||||||||||||||
Chip1 | |||||||||||||||||||||||||||||||||||||||||||||||||
Wireless interface OUI |
00:1E:E5, 00:22:6B, 00:23:69 | ||||||||||||||||||||||||||||||||||||||||||||||||
Antenna Connector Type |
none | ||||||||||||||||||||||||||||||||||||||||||||||||
Wireless Standard |
IEEE 802.11b/g | ||||||||||||||||||||||||||||||||||||||||||||||||
802.11g |
up to 54 Mbps | ||||||||||||||||||||||||||||||||||||||||||||||||
802.11b |
up to 11 Mbps | ||||||||||||||||||||||||||||||||||||||||||||||||
WiFi Operating Frequency |
2.4 GHz | ||||||||||||||||||||||||||||||||||||||||||||||||
Radio cor_rev |
13 | ||||||||||||||||||||||||||||||||||||||||||||||||
Radio Capabilities |
ap sta wet led wme 802.11d 802.11h rm cqa mbss4 afterburner acktiming | ||||||||||||||||||||||||||||||||||||||||||||||||
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For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.
For a list of all currently documented Linksys device with specifications, see Linksys.
- • 54 Mbps - 2.4GHz 802.11g = G54 class
Overview
Other Flash/RAM
- Flash: Eon EN29LV160AB-70TCP (H28308C, 0822HSC)
- RAM: SK hynix HY57V281620ETP-H (817A C)
Links of Interest
- Datasheet.pdf
- User Guide.pdf
- Quick Install.pdf
- WRT54G series on Wikipedia
- Linksys WRT54Gxx page on the DD-WRT wiki
- New WRT54G v8.1, v8.2; GS v7.2 On the DD-WRT Forum
Flashing
NOTE: During configuration or flashing a device, the only things that should be hooked to the device is the computer and power. |
Flashing DD-WRT
WARNING: Requires K2.4 for DD-WRT, Do not flash anything else! |
Linksys WRT54GS-RM (CGNC), Same as Linksys WRT54GS v7.0
NOTE TO WINDOWS USERS: The Windows TFTP Client is disabled by default, so enable it before proceeding
- (or download a third party TFTP tool).
In Windows, go to "Add or Remove Programs" (or "Programs and Features", depending on the Windows
- version) then the Windows Features section, and scroll down to select TFTP Client.
METHOD FOR EON, INTEL, AND POSSIBLY OTHER FLASH CHIPS
Download vxworkskillerGSv7-v3.bin and a recommended build here. ONLY USE MICRO GENERIC BUILDS e.g. dd-wrt.v24-micro_generic.bin from the broadcom folder.
- Configure your local LAN Ethernet address to 192.168.1.100 and connect your local Ethernet to your WRT54GSv7 on one of the four switch ports.
Do not use a wlan connection! (can someone clarify how to configure your LAN Ethernet address to 192.168.1.100?) - Disconnect the power cord from the WRT54GSv7.
- Push the reset button while reconnecting the power cord and hold the button for about 20 seconds.
- Open your browser and open http://192.168.1.1
- Use the firmware upgrade dialogue to flash vxworkskillerGSv7-v3.bin.
- After the dialogue about disconnecting the power cord is shown, disconnect the power cord and reconnect it.
- Wait for about two minutes.
- Again disconnect the power cord and reconnect it.
- Enter "tftp -i 192.168.1.1 put dd-wrt.v24-micro_generic.bin" on your local Windows console and press enter.
- (If you're using Windows Vista or Windows 7, you need to first enable the tftp client)
- (for linux, tftp 192.168.1.1; mode octet;put dd-wrt.v24-micro_generic.bin or tftp -v -m octet 192.168.1.1 -c put dd-wrt.v24-micro_generic.bin).
- The file will now be transferred to your router and be flashed. After this is done, your router
will boot automatically and you can reach your it at http://192.168.1.1. - Check for recommended builds here.
ALTERNATE METHOD TO FLASH DD-WRT ON A WRT54GS v7 WITH AN INTEL FLASH CHIP
I just loaded DD-WRT v24 RC7 on two of the WRT54GS v7 with an Intel flash chip. I used the latest vxworkskiller.
- Below are instructions. Intel chip says JS28F160, C3BD70, and A7397147. Router is dated December 2007. S/N starts with CGNC.
- Manually configure your IP to
192.168.1.10
. - Reset router to factory defaults.
- Update firmware to vxworkskillerGSv7-v3.bin, the update will finish.
- Watch the lights on the router. Wait until the Power light is solid, then unplug the router.
- Plug the router back in.
- Get "
tftp -i 192.168.1.1 PUT dd-wrt.v24-micro_generic.bin
" ready in a command prompt and hit enter. - After the tftp is finished wait and watch the router lights.
- The Power light will eventually come one.
- Shortly after that the WLAN light will come on.
- Try to load the web configuration page about 5 seconds later; you're done!
- Check for recommended builds here.
Another similar method to flash WRT54G v8 and WRT54GS v7.2 (possibly other 7.x)
I've been doing something slightly different on WRT54G v8 and this WRT54GS v7, it hasn't failed me yet, below are the instructions.
- I have done this on a countless number of WRT54G v8s and just did it on a WRT54GS v7 and it worked just the same.
- There is no resetting in the middle of this process, just do exactly what it says below, no more and no less.
- My WRT54GS v7 has a Broadcom BCM5354KFBG CPU and an EON EN29LB160AB-70TCP flash chip and 16MB of Samsung RAM.
- The FCC ID is Q87-WRT54GSV72 which maybe means it's a v7.2? Serial number starts with CGNE.
Addition: tiger12506 adds that he has successfully performed this on two WRT54GS v7.2 with CGNE serial numbers.
- He felt that it was impossible, that he had bricked one of the routers at first.
Messing around with JTAG cables taught him some things, but... be sure(!) Be absolutely sure that you have tftp
- set to binary or octel. If you leave tftp in ascii it will appear to work but the flash won't take.
- Use the web interface to reset the router to factory defaults.
- Manually configure network interface to 192.168.1.10. (Any address from 192.168.1.2 - 192.168.1.254 should work)
- (In linux, this is sudo ifconfig eth0 192.168.1.10)
- Use the web interface to update the firmware to vxworkskillerGSv7-v3.bin.
- tftp -i 192.168.1.1 PUT dd-wrt.v24_micro_generic.bin (Windows only)
- [For linux users: use tftp. You may have to sudo apt-get install tftp or your equivalent.
- tftp 192.168.1.1
- tftp> mode binary
- tftp> put dd-wrt.v24_micro_generic.bin
- tftp> quit
- [For linux users: use tftp. You may have to sudo apt-get install tftp or your equivalent.
- As soon as that is finished do this: ping 192.168.1.1 /t (Windows only)
- This will time out repeatedly and then the router will respond between two and six times.
- The router will time out again a few times and then start responding to pings.
- [At this point, tiger12506 had a little trouble, but after a long reset, and some short resets, more
and more lights came on until finally the WLAN light came on and the router functioned normally running DD-WRT]
- You're done, try to load 192.168.1.1.
- Check for recommended builds here.
Upgrading
Updating DD-WRT
If dd-wrt is already on the router follow these instructions. If stock firmware is on the router follow the flashing instructions.
- Check for recommended builds here first.
- Set your computer to a static IP of 192.168.1.7. (or to whatever subnet the router is on) Disable all firewalls and security. Disable wireless on your computer and only have the router connected to the flashing computer by the ethernet cable between the two.
- Hard reset or 30/30/30 (If the router supports it, if not, reset to defults in the GUI) prior to flashing. Wait. Check for password page on re-login and change password.
- Flash firmware. You can use the webgui except if you have a belkin router. (For belkin use tftp.exe to flash)
- Wait...at least three minutes. Lights should return to normal. See important2, below. Failing to wait is how most people brick their routers.
- Do a power cycle of the router. (Unplug the cord, count to 30 and plug it back in.)
- Wait for the lights to return to normal usually about 2 minutes.
- Hard reset or 30/30/30 again (If the router supports it, if not, reset to defults in the GUI). Wait. Check for the password page and re-login to change the password. Then you can reconfigure your settings manually.
- Once configured set your computer back to autoIP and autoDNS.
Important1: This Hard reset or 30/30/30 works fine for Asus router, but you do have to power cycle after the reset.
Important2: After you flash the firmware, and before you do the hard reset, the router will be building some nvram settings. YOU MUST WAIT FOR THIS TO FINISH PRIOR TO DOING ANYTHING WITH THE ROUTER INCLUDING A HARD RESET. Usually, you can tell when this process is completed by the WAN light coming on, but it does take several minutes. Go have a beer. There are starting to be more and more people who BRICK their routers by not waiting until the nvram is rebuilt, PRIOR to doing a hard reset. YOU NEED TO WAIT!
Reverting
- Reset to defaults
- goto the Admin screen firmware upgrade, and browse to VxWorksRevert-GSv7-v3.bin, and click upgrade. During this time the Web browser may say upgrade successful and to reboot -----"Do NOT REBOOT"----- Wait for 2 min's and then reboot.
- Goto
http;//192.168.1.1
and you should see a mgmt mode screen, this is where you browse to the original Linksys Firmware, and and upgrade. - Wait for 1 min, even if it say's upgrade successful and to reboot, believe me, in my tests, it has not finished yet.
- goto
http://192.168.1.1
- you should have the regular Linksys Firmware.
JTAG-Serial Info
JTAG
JTAG Pinouts
nTRST 1o o2 GND TDI 3o o4 GND TDO 5o o6 GND TMS 7o o8 GND TCK 9o o10 GND nSRST 11o o12 N/C
Using Universal JTAG Adapter
white 1o o2 black red 3o o4 GND blue 5o o6 GND green 7o o8 GND yelow 9o o10 GND orange 11o o12 N/C
- /noreset switch required
DD-WRT JTAG Recovery
JTAG:
- Backup CFE x2 (Compare the files, they must match exactly or there is something wrong with your JTAG setup)
- Erase Wholeflash x2
- Flash CFE
- Unplug Power
- Unplug JTAG Cable
TFTP:
- Set Rig ip static 192.168.1.10
- Plug network cable from rig to port 1
- Get TFTP ready, server ip - 192.168.1.1, Password - blank, file - dd-wrt.v24_micro_generic.bin
- Plug in power
- As soon as windows says "connected" hit upgrade. May have to use a network hub to make sure windows is always connected.
- Hard Reset 30\30\30
DD-WRT Serial Recovery
- Connect Serial cable
- Start one of the programs from above
- Get TFTP ready with file selected
- Use dd-wrt.v24_micro_generic.bin
- Connect power to the router
- start a rapid fire Cntl-C as you plug the router to power
- type "nvram erase" w/o quotes, hit enter
- type "flash -noheader : flash1.trx" w/o quotes, this starts the tftp daemon, hit enter
- but have tftp.exe ready
- Click go or start on TFTP
- give it 5 minutes after it finishes
- then power cycle....hard reset...then config
- when it stops spitting out txt in the serial consol....hit the enter key...you should get a login prompt...at that point, power cycle it, Hard reset or 30/30/30...then config
- you'll see it boot up
Serial
Serial Pinouts
VCC 1 o TX 2 o RX 3 o N/C 4 o GND 5 o
vlan Info
DD-WRT vlan Info
Confirmed the WRT54GS v7.2 supports port-based vlans via the GUI.
Confirmed the WRT54GS v7.2 supports port-based vlans via nvram with build 14853 micro-plus-SSH.
WRT54GS v7.2's ports are mapped like this:
1 2 3 4 | case labels 3 2 1 0 | nvram port numbers
Defaults
root@DD-WRT:~# nvram show | grep vlan.ports vlan1ports=4 5 vlan0ports=3 2 1 0 5* size: 17324 bytes (15444 left) root@DD-WRT:~# nvram show | grep port.vlans port5vlans=0 1 16 port4vlans=0 port3vlans=0 port2vlans=0 port1vlans=0 port0vlans=1 size: 17324 bytes (15444 left) root@DD-WRT:~# nvram show | grep vlan.hwname vlan1hwname=et0 vlan0hwname=et0 size: 17324 bytes (15444 left) root@DD-WRT:~#
Commands
root@DD-WRT:~# nvram set vlan1ports="3 4 5" root@DD-WRT:~# nvram set vlan0ports="2 1 0 5*" root@DD-WRT:~# nvram commint root@DD-WRT:~# reboot
nvram
root@DD-WRT:~# nvram show | grep vlan.ports vlan1ports=3 4 5 vlan0ports=2 1 0 5* size: 17325 bytes (15443 left) root@DD-WRT:~# nvram show | grep port.vlans port5vlans=0 1 16 port4vlans=0 port3vlans=0 port2vlans=0 port1vlans=0 port0vlans=1 size: 17325 bytes (15443 left) root@DD-WRT:~# nvram show | grep vlan.hwname vlan1hwname=et0 vlan0hwname=et0 size: 17325 bytes (15443 left) root@DD-WRT:~# lsmod Module Size Used by ip_nat_pptp 2192 0 (unused) ip_conntrack_pptp 2524 1 ip_nat_proto_gre 1552 0 (unused) ip_conntrack_proto_gre 2312 0 [ip_nat_pptp ip_conntrack_pptp] switch-robo 5036 0 (unused) switch-core 5984 0 [switch-robo] root@DD-WRT:~# ls /proc/switch eth0 root@DD-WRT:~# cat /proc/switch/eth0/vlan/0/ports 0 1 2 5t* root@DD-WRT:~# cat /proc/switch/eth0/vlan/1/ports 3 4 5t root@DD-WRT:~# cat /proc/switch/eth0/vlan/2/ports 3 root@DD-WRT:~#
Images
Notes
[DD-WRT v24 RC3] The WRT54GS v7.0 is now fully supported (if its not an intel chip - see important note below),
- but requires again a special flashing way, which is easier this time compared to the v5 and v6 vxworks killer.
All Chips are supported, just follow step by step procedure at:
WARNING: There are at least two types of flash chips that are used on the v7 router.
- Using this method with an INTEL-type flash chip will brick your router.
There is not currently a solution for using vxworkskiller with the intel-chip v7 routers.
See also
I just had found this link --> http://blog.rim3y.net/zero/?p-942
This procedure worked easy and great, the 1st bin file I installed with the admin. options in the Linksys control panel
- (the upload went about half way then tryed to reboot (then bricked my WRT54GS v7), following the procedure
- from the above mentioned site using this command "tftp -i 192.168.1.1 put dd-wrt.v24_micro_generic.bin" from
- the location of the bin file, worked fine had to HIT enter 2 times to excecute the command to install the 2nd bin
- file, now my WRT54GS v7 has so many features I need to find a good post for some tweak settings.
- Linksys
- Embedded system/wireless router
- Embedded System Broadcom
- Embedded System BCM5354
- Broadcom
- Embedded System MIPS
- Embedded System BMIPS3300 (R1)
- Manuf CyberTAN
- DD-WRT Supported
- Embedded System IEEE 802.11b/g
- Single-Radio Wireless Embedded System
- Wireless Embedded System
- Embedded System
- English Documentation