It is important to note, DIR-300 Rev A1 and Rev B1 are completely different hardware, different SoC, different procedure. So, if you have the old DIR-300 Rev A router, its install procedure is already well documented elsewhere. Rev B1 is based on Ralink RT3050 SoC and from all accounts, including Dlink's FCC test report, the PCBA is exactly the same as in the DIR-600.
D-Link_DIR-600vB_/_300vB Pros of this hardware • 4 MB board, so no need to use "micro" DD-WRT builds. • Fairly inexpensive. • Fairly new hardware (released in 2009?), so it's widely available for purchase new. Reasonably fast CPU clock speed. • •...
Out-of-the-box factory firmware upgrade To install dd-wrt on either a D-Link DIR-300 Revision B1 or a D-Link DIR-600 Revision B1, you need to flash it directly from the router's web admin page (yes, that is correct... from D-Link's standard web interface).
Use the "emergency room interface" steps described above. • Do NOT use the standard firmware upgrade procedure. Multiple people have reported that this does not work for restoring the D-Link firmware. Use the "emergency room interface" steps instead. Alternate Install Method using Emergency Room WebInterface...
Example: 1. Make sure that your router is connected to the Internet. 2. Login to your router with telnet or ssh. 3. Type the following command to download stock firmware V2.04 for DIR-300 B1. Code: wget -O /var/firmware http://nokiafon.pl/ruter/DIR300B_FW204WWB01.bin 4. Type the following command to flash your router with the downloaded stock firmware. Code: mtd write /var/firmware linux 5.