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Linksys WRT54G v5.1
Linksys WRT54G v5.1

Homepage

WRT54G

Wikipedia

Linksys Routers

dd-wrt

Linksys WRT54G v5.1

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.

Works well as a client, client bridge, repeater bridge. Not enough memory to be a main router or a repeater. In my opinion.

SpecsEdit

Platform

Serial Num. = CDFC
FCC ID = Q87-WRT54GV5
CPU Type = Broadcom BCM5352EKPB (BCM5352E chip rev 0 SoC)
MIPS Rev = ?
CPU Speed = 200MHz
Bus = ?
Flash Type = Parallel
Flash Chip = MX B052720 29LV160CTTC-90 2M349600 (MX29LV160CT)
Flash Size = 2MB
Max Firmware Size = ?
RAM Size = 8MB
RAM Chip = hynix 527U HY57V641620ET-H
nvram Size = ?
Switch = Broadcom BCM5352EKPB (BCM5352E chip rev 0 SoC)
Port-based vlan = ?
802.1q vlan = ?
Ethernet Port Count = 1-10/100-WAN 4-10/100-LAN
Wired Standard = IEEE 802.3?
boot_wait = ?
bootloader = CFE
Flash Card Socket/Type = No
SD/MMC Mod Support = No
MiniPCI slots = No
PoE = No
Power = 12V/.5A
Color of LEDs = ?
Size = ?
USB = No
Serial Port = 2
JTAG Port = Yes
Supported by TJTAG/Version = Yes/3.02
Supported by dd-wrt as of = ?
dd-wrt K2.4 Support = Yes
dd-wrt K2.6 Support = No
Special Features = ?

Radio (wl0)

Wireless Radio = Broadcom BCM2050KML
WLAN DSP processor = Broadcom BCM5352EKPB (BCM5352 chip rev 0 SoC)
Antenna Connector Type = RP-TNC Removable
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 = 9
Radio Capabilities = ap sta wet led wme 802.11d 802.11h rm cqa mbss4
                     afterburner acktiming

Links of InterestEdit

FlashingEdit

IN SPITE OF SOME OTHER INSTRUCTIONS ELSEWHERE, YOU REALLY NEED TO CREATE A CUSTOM VX Image for your router. If you don’t you will get a generic MAC address on your router and a generic MAC address will mean most ISP won’t let you connect to the Internet. Here is how to do it properly:

Go to this thread and download the zipped files in GV5Flash.zip: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=58231

Or you can download the same file from me here: Gv5Flash.zip

  1. Read the peacock announcement found here: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=51486
  2. Do a Hard reset or 30/30/30 on the router according to note 1 of the peacock announcement (30/30/30)
  3. Set a static IP on your computer to 192.168.1.7. Subnet mask should be 255.255.255.0.
  4. Connect the LAN cable from your computer to a LAN port of your router. Make sure your router is plugged in. Nothing should be connected to your computer or the router except the LAN cable between them. Turn your firewall and any wireless computer connections OFF.
  5. Unzip the file you downloaded and place it in a location you can easily find on your computer.
  6. Unzip the VXImgToolGui.zip file to the same folder as where you placed the other files you downloaded.
  7. Start VXImgToolGui.exe.
    1. Make sure the top button is on the left for WRT54G, not the right for WRT54GS.
    2. Put the MAC address from the bottom of your router in the box that says "Desired MAC".
    3. Click on the three dots next to "output image" and save the file as My54gImage.bin in the same folder as everything else is located.
  8. Power cycle the router (unplug the power from the router for 30 seconds and then plug it back in).
  9. Open your browser to 192.168.1.1 by putting that in the browser address window of your browser. You should open the linksys webgui and NOT a page that says Management Mode. If you see management mode, power cycle the router again.
  10. Enter "root" as the username and "admin" as the password.
  11. Go to Administration and Firmware Upgrade.
  12. Navigate to the folder that you are using, and select vxworks_prep_03.bin.
  13. Hit upgrade.
  14. Wait for FIVE FULL MINUTES. Go for a walk. Don't you TOUCH that router for FIVE MINUTES.
  15. When five full Earth minutes have passed, power cycle the router.
  16. Refresh your browser window. If you get a blank window, clear your browser cache. NOW you should be in the MANAGEMENT MODE window.
  17. Select the My54gImage.bin file that you created. Hit Apply.
  18. Wait for the "Upgrade Success" message, and then WAIT FIVE FULL MINUTES again. Don't TOUCH your router.
  19. Start tftp.exe.
    1. Enter 192.168.1.1 as the address in the top box of tftp.exe.
    2. Leave the password blank.
    3. Select the 12548 Newd_Micro.bin firmware.
    4. Set retries to 99.
    5. Power cycle the router.
    6. Count to 2.
    7. Hit upgrade.
  20. When you get a success, wait FIVE FULL minutes.
  21. If you don't get success, repeat from steps 19(4) up to this one. If you still don't get success, clear your browser cache. Try using a different browser as well, to navigate to 192.168.1.1.
  22. When you can access the dd-wrt webgui using a browser at 192.168.1.1, power cycle the router.
  23. When you can again access the dd-wrt webgui using a browser at 192.168.1.1, do another Hard reset or 30/30/30 on the router.
  24. Reset your computer Ethernet connection to auto IP and auto DNS.
  25. 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

Fixme This section is in need of cleanup!

JTAG/Serial InfoEdit

JTAGEdit

JTAG PinoutsEdit
Fixme This section is in need of cleanup!
JTAG RecoveryEdit
Fixme This section is in need JTAG Recovery Instructions!

SerialEdit

Serial PinoutsEdit
Fixme This section is in need of cleanup!
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
Fixme This section is in need of Serial Recovery Instructions!

PicturesEdit

Fixme This section is in need of cleanup!

FCC PicturesEdit

NotesEdit


Hardware ModificationEdit


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