Your here: Home / Network / Hardware Specific / Cisco-Linksys / WTR54GS v1.0

Linksys WTR54GS v1.0
Linksys WTR54GS






Linksys WTR54GS






Not Supported



NOTE: During configuration or flashing a device, the only that should be hooked to the device is the computer and power.


Fixme This section is in need of cleanup!


Serial Num. = SJH0 (It turned out that some SJH0... bought in UK are v2 too) 
CPU Type = Broadcom BCM5350
MIPS Rev = ?
CPU Speed = 200MHz
Bus = ?
Flash Type = Parallel
Flash Chip = ?
Flash Size = 4MB
Max Firmware Size = ?
RAM Size = 16MB
RAM Chip = ?
nvram Size = ?
Switch = ?
Port-based vlan = ?
802.1q vlan = ?
Ethernet Port Count = 1-WAN 1-LAN
Wired Standard = IEEE 802.3?
boot_wait = ?
bootloader = ?
Flash Card Socket/Type = ?
SD/MMC Mod Support = ?
MiniPCI slots = ?
PoE = ?
Power = ?
Color of LEDs = ?
Size = ?
USB = ?
Serial Port = ?
JTAG Port = ?
Supported by TJTAG/Version = ?
Supported by dd-wrt as of = v24 rc5 - build 8246
dd-wrt K2.4 Support = ?
dd-wrt K2.6 Support = ?
Special Features = ?


Wireless Radio = Broadcom
WLAN DSP processor = ?
Antenna Connector Type = ?
Wireless Standard = IEEE 802.11b/g
WiFi Operating Frequency = ?
 802.11g = 6, 9, 12, 18, 24, 36, 48, 54Mbps
 802.11b = 1, 2, 5.5, 11Mbps
Radio cor_rev = ?
Radio Capabilities = ?

Links of InterestEdit


- download and install Sercomm utility
- download and unzip WTR upgrade file
-- for v1:
-- for v2 and v2.1:
- download latest
-- for v1: RC5 mini or RC5 nokaid
-- for v2 and v2.1: RC5 micro
- download Linksys TFTP utility

  1. Set your PC's IP to
  2. Log into WTR at, password: admin
  3. Go to: Administration -> Factory defaults -> "Restore factory Defaults"
  4. Click "Continue"
  5. Close your browser window
  6. Set your PC's IP to
  7. Start Sercomm "Upgrade Utility"
  8. Select your ethernet adapter
  9. Press "Browse target" button
  10. MAC of your WTR will apear in "Devices List"
  11. Press "Files", select: for v1: WTRv1_sercomm.bin; for v2 and v2.1: WTRv2x_sercomm.bin, press OK
  12. Press "Upgrade", wait until upgrade completes, press OK
  13. Important: WAIT ANOTHER 3 MINUTES
  14. Start ping to -t
  15. When reply with TTL=100, start tftp (command line or Linksys TFTP utility), transfer RC5 mini or nokaid for v1, for v2 & v2.1 you can only use RC5 micro.
  16. Observe ping, when TTL=64, you have dd-wrt installed.

PS: If you don't get ping reply at 15, reboot (power cycle) and wait another 3 min.


Fixme This section is in need of cleanup!


Fixme This section is in need of cleanup!

JTAG/Serial InfoEdit


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


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
 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!

USB InfoEdit

Fixme This section is in need of cleanup!

vlan InfoEdit

Fixme This section is in need of cleanup!


Linksys WTR54GS v1.0 a

FCC PicturesEdit

Fixme This section is in need of cleanup!


Hardware ModificationEdit

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.