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Linksys WRT54G2 v1.3
Linksys WRT54G2

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Linksys Routers

dd-wrt

Linksys WRT54G2 v1.3

OpenWRT

Not for 2MB Devices

Tomato

Not for 2MB Devices

TomatoUSB

Not for 2MB Devices

NOTE: Requires Micro, Do not flash anything else.
NOTE: Requires K2.4, Do not flash anything else.
NOTE: During configuration or flashing a device, the only that should be hooked to the device is the computer and power.

SpecsEdit

Platform

Serial Num. = CUQ0
FCC ID = Q87-WRT54G2V13
CPU Type = Broadcom BCM5354KFBG (BCM5354 rev 2 or rev 3 SoC)
MIPS Rev = ?
CPU Speed = 240MHz
Bus = ?
Flash Type = Parallel
Flash Chip = EON EN29LV160AT-70TCP H132348 0706TSC
Flash Size = 2MB
Max Firmware Size = ?
RAM Size = 8MB
RAM Chip = hynix 844A C HY57V641620FTP-7
nvram Size = ?
Switch = Broadcom BCM5354KFBG (BCM5354 rev 2 or rev 3 SoC)
vlan Support = ?
Ethernet Port Count = 1-10/100-WAN 4-10/100-LAN
Wired Standard = IEEE 802.3/3u
boot_wait = ?
bootloader = CFE
Flash Card Socket/Type = No
SD/MMC Mod Support = No
MiniPCI slots = No
PoE = No
Power = 12V/0.5A
Color of LEDs = Green/Amber
Size = ?
USB = No
Serial Port = Yes
JTAG Port = Yes
Supported by TJTAG/Version = Yes/3.02
Supported by dd-wrt as of = Nov 05, 2009
dd-wrt K2.4 Support = Yes
dd-wrt K2.6 Support = No
Special Features = Same hardware as WRT54GS2 v1.0

Radio (wl0)

Wireless Radio = Broadcom BCM5354KFBG (BCM5354 rev 2 or rev 3 SoC)
WLAN DSP processor = Broadcom BCM5354KFBG (BCM5354 rev 2 or rev 3 SoC)
Antenna Connector Type = Internal
Wireless Standard = IEEE 802.11b/g
WiFi Operating Frequency = 2.4GHz
 802.11g = 6, 9, 12, 18, 24, 36, 48, 54Mbps
 802.11b = 1, 2, 5.5, 11Mbps
Radio cor_rev = 13
Radio Capabilities = ap sta wet led wme 802.11d 802.11h rm cqa mbss4
                     afterburner acktiming

Links of InterestEdit

FlashingEdit

***Warning*** - There is no Revert for this router at this time

  1. Configure your computer's local lan ethernet address to 192.168.1.7, subnet 255.255.255.0, gateway 192.168.1.1 . Then connect an Ethernet cable to your computer and port 1 of your router. (Do Not Use Wireless)(Nothing else connected to router)
  2. Perform a Hard reset or 30/30/30.
  3. Open your browser to http://192.168.1.1.
  4. Use the firmware upgrade dialog to flash Vxworkskiller-G2V13.bin.
  5. WAIT for at least five minutes before you continue! (longer is better) Give vxworks killer plenty of time to do its magic!
  6. You will not be able to browse the WRT54G2V13 at this point, but you should be able to ping 192.168.1.1. If the router doesn't reply you haven't set your computer's network settings correctly (on step 1)
  7. Tftp the DD-WRT firmware to the router, use latest dd-wrt.v24_micro_generic.bin from the folder where you got these instructions; after sucessful tftp, wait 5 min for the router to finish writing new nvram deafults, etc... It should reboot on its own at least 2 times, so give it 5 min and then go to http://192.168.1.1 (If it not reboot on its own, wait another 2 min, and then power cycle it) , you should see the password reset page. Don't worry about changing it at this point.
  8. Perform a Hard reset or 30/30/30.
  9. WAIT for at least 5 minutes before you continue! (longer is better) Give the router plenty of time to to boot.
  10. Browse 192.168.1.1, you should see the password reset page, change it! Then configure.
  11. Check for recommended builds here.

UpgradingEdit

If dd-wrt is already on the router follow these instructions. If stock firmware is on the router follow the flashing instructions.

  1. Check for recommended builds here first.
  2. 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.
  3. 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.
  4. Flash firmware. You can use the webgui except if you have a belkin router. (For belkin use tftp.exe to flash)
  5. Wait...at least three minutes. Lights should return to normal. See important2, below. Failing to wait is how most people brick their routers.
  6. Do a power cycle of the router. (Unplug the cord, count to 30 and plug it back in.)
  7. Wait for the lights to return to normal usually about 2 minutes.
  8. 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.
  9. 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!

RevertingEdit

***Warning*** - There is no Revert for this router at this time

JTAG/Serial InfoEdit

JTAGEdit

JTAG PinoutsEdit
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
JTAG RecoveryEdit
  1. Backup CFE x2 (Compare the files, they must match exactly or there is something wrong with your JTAG setup)
  2. Erase Wholeflash x2
  3. Flash CFE
  4. Unplug Power
  5. Unplug JTAG Cable

TFTP:

  1. Set Rig ip static 192.168.1.10
  2. Plug network cable from rig to port 1
  3. Get TFTP ready, server ip - 192.168.1.1, Password - blank, file - dd-wrt.v24_micro_generic.bin
  4. Plug in power
  5. As soon as windows says "connected" hit upgrade. May have to use a network hub to make sure windows is always connected.
  6. Hard Reset 30\30\30

SerialEdit

Serial PinoutsEdit
VCC  1 o
 TX  3 o
 RX  5 o
N/C  7 o
GND  9 o
Hyper terminal Setup in Windows XPEdit
In Windows XP, Click Start Button - All Programs - Accessories - 
   Communication - HyperTerminal
Enter a name for the connection, Click ok
Choose com port you adapter is plugged into, Click ok
Set:
 Bits per second = 115200
 Data Bits = 8
 Parity = none
 Stop bits = 1
 Flow control = none
Click ok
Click File - Save As, and select a place to save it to so you 
             don't have to enter the settings again.
Putty Setup in Windows XPEdit
After installing putty, run it
 Serial line = The COM port your using for serial (ie. COM3)
 Speed = 115200
Click on Serial under Connection
 Serial line to connect to = same as above (Serial line)
 Speed (baud) = 115200
 Data bits = 8
 Stop bits = 1
 Parity = None
 Flow control = None
Click Session
 Enter a name for your connection under saved sessions
Click Save
Click Open
Serial RecoveryEdit

Modified Redhawk0 instructions

  1. Connect Serial cable
  2. Start one of the programs from above
  3. Get TFTP ready with file selected
  4. Use dd-wrt.v24_micro_generic.bin
  5. Connect power to the router
  6. start a rapid fire Cntl-C as you plug the router to power
  7. type "nvram erase" w/o quotes, hit enter
  8. type "flash -noheader : flash1.trx" w/o quotes, this starts the tftp daemon, hit enter
  9. but have tftp.exe ready
  10. Click go or start on TFTP
  11. give it 5 minutes after it finishes
  12. then power cycle....hard reset...then config
  13. 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
  14. you'll see it boot up

PicturesEdit

Fixme This section is in need of cleanup!

FCC PicturesEdit

Linksys WRT54G2 v1.3 FCCa Linksys WRT54G2 v1.3 FCCb Linksys WRT54G2 v1.3 FCCc

Linksys WRT54G2 v1.3 FCCd Linksys WRT54G2 v1.3 FCCe Linksys WRT54G2 v1.3 FCCf

Linksys WRT54G2 v1.3 FCCg

NotesEdit


Hardware ModificationEdit


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