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Few newbish questions about the WRT54G and firmware flashing

Discussion in 'Cisco/Linksys Wireless Routers' started by kraziczek, Oct 24, 2005.

  1. kraziczek

    kraziczek Guest

    Hi! I just bought a WRT54G, and I intend to flash it with custom firmware. From what I read on this site, this is a tad more complicated from what I had initially thought.
    I can't seem to find answers in the FAQ's, so I'll just post my doubts here. If anyone can answer me, or point me to the right FAQ, I'd be grateful. Here goes:

    - how do you set any nvram variable, or just boot_wait? how does that prevent router brickage? can you do it on original firmware?
    - can afirmware upgrade irrecoverably brick the router? what are the conditions for unrecoverable router brickage?
    - my S/N starts with CDF9. Is this 3.0 or 3.1? are there any significant differences (which could result in firware incompatiblity) between those two routers?

    Thanks in advance!
  2. SteelersFANinMA

    SteelersFANinMA Network Guru Member

    CDF9 is a 3.1:

    You might want to read the Global Announcements and Sticky threads here in the WRTXXX Routers Forum to get more info. on setting nvram variables and firmware compatibility. Also, search the forums for "brick," or "bricked" to get info. on how to recover a bricked router. Good Luck! :cool:
  3. VadWiser

    VadWiser Network Guru Member

    Hello, I own myself a v3.1 and I can tell you the following:
    unless you want something very specific only a third party firmware can offer, DO NOT mess with your router.
    You eventually will find out that:
    1. Most of the firmwares DO NOT work with 3.1
    2. Even if they work they are either not stable or you, as a newbie, you will not find the use of the new misterious settings.

    If you still want to go this way be sure that :
    1. You have a computer wired (ethernet cable cat5) to your router
    2. put the ethernet card into half10 mode (this is a must) or whatever slow mode it has.
    3. download and keep at hand the genuine linksys firmware (the exe file NOT the zip) in order to unbrick your router if things go wrong.
    4. it would be nice if you've got an alternative internet connection (as a small modem or even gsm connection).

    Good luck! (and keep me posted with info on whatever third party firmware you discover is working with 3.1 , I 've quit already experimenting with that)

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