Linksys WRT54G v3.1

Linksys WRT54G v3.1
Availability: common

Manuf (OEM/ODM): CyberTAN

FCC approval date: 17 September 2004

S/N prefix: CDF9
Series: WRT54G

Local image

Type: wireless router

FCC ID: Q87-WT54GV22
IC ID: 3839A-WT54GV22

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Broadcom BCM4712 (216 MHz)
FLA1: 4 MiB4,194,304 B 32,768 Kib 4,096 KiB 32 Mib 0.00391 GiB  (Brand? Model?)
RAM1: 16 MiB16,777,216 B 131,072 Kib 16,384 KiB 128 Mib 0.0156 GiB  (Brand? Model?)

Expansion IFs: none specified

WI1 chip1: Broadcom BCM4712
WI1 chip2: Broadcom BCM2050
WI1 802dot11 protocols: bg
WI1 antenna connector: RP-TNC

ETH chip1: Broadcom BCM4712
Switch: Broadcom BCM5325E
LAN speed: 100M
LAN ports: 4
WAN speed: 100M
WAN ports: 1

Stock FW OS: Linux

TPFirmware supported: DD-WRT • (List), OpenWrt • (List | Dev | DLs), Tomato • (List | DLs), TomatoUSB • (List | DLs)

Default SSID: linksys (50 addl. devices)
Default IP address: 192.168.1.1
the IP 192.168.1.1 is used by 1304 additional devices
of which 154 are Linksys devices
Default login user: blank
Default login password: admin
blank:admin credentials used by 300 additional devices
of which 143 are Linksys devices

802dot11 OUI: 00:13:10 (16 E, 17 W), 00:14:BF (10 E, 14 W)
Ethernet OUI: 00:13:10 (16 E, 17 W), 00:14:BF (10 E, 14 W)

	FCC ID
Linksys WRT54G v2.2	Q87-WT54GV22
Linksys WRT54G v3.0	Q87-WT54GV22
Linksys WRT54GS v1.1	Q87-WT54GV22
Linksys WRT54GS v2.0	Q87-WT54GV22
Linksys WRT54GS v2.1	Q87-WT54GV22

	CPU1 brand	WI1 chip1 brand	WI1 chip2 brand
Linksys WRT54G v1.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v1.1	Broadcom	Broadcom	Broadcom
Linksys WRT54G v2.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v2.2	Broadcom	Broadcom	Broadcom
Linksys WRT54G v3.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v3.1	Broadcom	Broadcom	Broadcom
Linksys WRT54G v4.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v5.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v6.0	Broadcom	Broadcom	Broadcom
Linksys WRT54G v7.0	Atheros	Atheros
Linksys WRT54G v7.2	Broadcom	Broadcom
Linksys WRT54G v8.0	Broadcom	Broadcom
Linksys WRT54G v8.1	Broadcom	Broadcom
Linksys WRT54G v8.2	Broadcom	Broadcom
Linksys WRT54GH	Ralink	Ralink

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

Wireless-G Broadband Router

• Support page • Downloads (US)

Links of Interest

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

For DD-WRT, These units seems to run more stable on the VINT builds.

WARNING: Requires K2.4 for DD-WRT, Do not flash anything else!

Linksys WRT54G v3.1
VINTage firmware. Details here.

Read the peacock announcement found here: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=51486
Do a Hard reset or 30/30/30 on the router according to note 1 of the peacock announcement (30/30/30)
Set a static IP on your computer to 192.168.1.7. Subnet mask should be 255.255.255.0.
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.
Power cycle the router (uplug the power from the router for 30 seconds and then plug it back in)
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.
Leave the username blank and enter "admin" as the password
Go to administration and firmware upgrade
Navigate to the folder that you are using, and select dd-wrt.v24-15230_VINT_mini.bin
Hit upgrade
When you get a message that the upgrade is successful, wait FIVE FULL minutes before continuing.
If you don't get success, repeat from steps 6 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.
When you can access the dd-wrt webgui using a browser at 192.168.1.1, power cycle the router.
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.
At this point you can choose to put a different build on, depending on what you needs are.
Reset your computer ethernet connection to auto IP and auto DNS
Check for recommended builds Project:DD-WRT#Recommended_Builds.

Flashing OpenWrt

Linksys WRT54G

Flashing Tomato

Upgrading

Reverting

Reverting to OEM Firmware from DD-WRT

Read the peacock announcement found here: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=51486
Do a Hard reset or 30/30/30 on the router according to note 1 of the peacock announcement (30/30/30)
Set a static IP on your computer to 192.168.1.7. Subnet mask should be 255.255.255.0.
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.
Power cycle the router (uplug the power from the router for 30 seconds and then plug it back in)
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.
Enter your username and password
Go to administration and firmware upgrade
Navigate to the folder that you are using, and select WRT54G_v4.21.1_fw.zip once you've unzipped it.
Hit upgrade
When you get a success, wait FIVE FULL minutes.
When you can again access the Linksys webgui using a browser at 192.168.1.1, do another Hard reset or 30/30/30 on the router.
Reset your computer ethernet connection to auto IP and auto DNS

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

JTAG Recovery

Serial

Serial Pinouts

VCC  1 o o 2  VCC
TX1  3 o o 4  TX0
RX1  5 o o 6  RX0
N/C  7 o o 8  N/C
GND  9 o o 10 GND

Hyper terminal Setup in Windows XP

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 XP

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