WHR-G300N
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Flashing instruction
TFTP flash
The latest DD-WRT build has a new, easy, and safe way to flash a WHR-G300N router. To do this, just Tftp_flash the firmware.tftp image to 192.168.11.1 in the 1st three seconds of booting when the router is in recovery mode.
Web flash
From now on, there is a preflash image in the WHR-G300N folder that makes the serial access unnecessary for the initial flash to DD-WRT.
- Flash DD-WRT-WHR-G300N-preflash.enc via web-if
- The device will reboot
- Then, flash the firmware.bin image via web-if to finish the flashing to DD-WRT
- After the automatic reboot, DD-WRT will be accessible at 192.168.1.1
- If you brick a WHR-G300N router, go to WHR-G300N#Serial_flash
Serial flash
It is possible to flash this device through its serial interface. This is also handy for troubleshooting.
- Solder pins to the 4 pin serial header near the Wi-Fi part:
- Connect a 4 pin serial level shifter cable between the computer and router
- Prepare TFTP server (located in the download area)
- Download the latest DD-WRT WHR-G300N build to the root folder of the tftp, and rename it to firmware.bin
- Set the IP address of the computer or device running the tftp server to 192.168.11.2/24
- Set your console program to 57600, 8, n, 1
- The boot timeout is 3 seconds, so you will have to be very fast with the next step
- While powering on, the following message will display at the console:
--------------------- Please choose the operation: 1: Load system code to SDRAM via TFTP. 2: Load system code then write to Flash via TFTP. 3: Boot system code via Flash (default). 4: Entr boot command line interface. 9: Load Boot Loader code then write to Flash via TFTP. ---------------------
- Select [4], and put in this command:
run ut_fw
- Then, the firmware.bin image will be loaded from the tftp server and automatically flashed
- After the automatic reboot, DD-WRT will be accessible at 192.168.1.1
Related Devices
WZR-HP-G300NH -- Buffalo Technology Nfiniti™ Wireless-N High Power Router & Access Point:
http://www.buffalotech.com/products/wireless/nfiniti-wireless-n/nfiniti-wireless-n-high-power-router-access-point-wzr-hp-g300nh/
(higher-end router model, with 4+1 Gigabit switch and USB port)
WZR-HP-G300NH's FCC application submitted 2009-Feb-09 approved 2009-Mar-04 (FCC ID: FDI-09101560-0):
https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout=500&calledFromFrame=N&application_id=897445&fcc_id='FDI-09101560-0'
(Realtek 8366 SR "RTL8366SR 89C49S1 G841B" SoC CPU, along with Atheros AR9103 single-band 3x3 MIMO 802.11n radio)
WLI-UC-GN -- Buffalo Technology Nfiniti™ Wireless-N Ultra Compact USB 2.0 Adapter:
http://www.buffalotech.com/products/wireless/nfiniti-wireless-n/nfiniti-wireless-n-ultra-compact-usb-20-adapter-wli-uc-gn/
(tiny WiFi-n 802.11b / 802.11g / 802.11n USB dongle)
WLI-UC-GN's FCC application submitted 2008-Dec-10 approved 2009-Feb-12 (FCC ID: FDI-09102006-0):
https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout=500&calledFromFrame=N&application_id=530735&fcc_id='FDI-09102006-0'
(based on Ralink RT3070L chip)
Links
See this thread and thread linked within that thread for further guidance: http://www.dd-wrt.com/phpBB2/viewtopic.php?t=38307
Buffalo Technology Nfiniti™ Wireless-N Router & Access Point WHR-G300N:
http://www.buffalotech.com/products/wireless/nfiniti-wireless-n/nfiniti-wireless-n-router-access-point-whr-g300n/
(this model: 4+1 10/100 switch)
WHR-G300N's FCC application submitted 2008-Sep-09 approved 2008-Sep-10 (FCC ID: FDI-09101538-0):
https://fjallfoss.fcc.gov/oetcf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout=500&calledFromFrame=N&application_id=818365&fcc_id='FDI-09101538-0'
(Ralink 3052 F "RT3052F" SoC CPU)
List of Buffalo AirStation devices:
http://en.wikipedia.org/wiki/AirStation
List of DD-WRT Supported Devices:
http://www.dd-wrt.com/wiki/index.php/Supported_Devices