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Thema: Unbrick procedure for NAS 4220

  1. #51

    Standard

    Hi,
    good questions --> easy being answered by me ...

    1. looks good - there shall be a FT232R chip on it. This will work for JTAG nas_flashtool in case your bootloader needs to be flashed.
    2. the images are inside the firmware upgrade packages (unzip and un-tar it)
    3. yes, the left one J2 is for the serial console and J1 (20pin not assembled) for JTAG access

    Note: be sure to set the adapter to 3.3V operation!

    HWguru
    Fragen zu bereits behandelten Themen werden (von mir) nicht beantwortet.
    Allgemeine Tipps rund ums NAS und Linux --> Wiki Beitrag
    Schon einmal deine Frage bei einer Suchmaschine versucht?

  2. #52

    Standard

    Hi,


    Thx for information... I've finally put my hands on that usb adapter. And I managed to connect it all... and it's working. Strange thing is, I did not plug cable to pin 10 (Vcc). I assume this is because I use original NAS power adapter.

    Anyway... I got menu... and what's next ?
    Shall I go according to this guide: http://en.nas-4220.org/index.php/Unbricking_guide and upgrade in below order:
    1. Kernel
    2. Ram disk
    3. Application
    ?

    BR
    b.
    Geändert von blackest (23.08.2013 um 11:20 Uhr)

  3. #53
    Experte
    Registriert seit
    27.03.2008
    Ort
    Cologne / Germany
    Beiträge
    4.948
    Mein NAS
    N2B1 & IB4220 & WNDR3700v2 with OpenWRT

    Standard

    Yes.
    But you need to install a TFTP-Server for uploading the files.
    They are some freeware servers you can use. Copy the three files in any location and point the TFTP-Serverdir to this location.


    /from my (mobile) cell phone

  4. #54

    Standard

    Thanks to all, my NAS is working again

  5. #55

    Standard

    Hi everyone and happy new year !

    I'm unburying this topic because I just bricked a IB4220 NAS and unfortunately, the page http://en.nas-4220.org/index.php/Unbricking_guide is dead.
    I don't have a cable, instead I was planning to use a Raspberry PI to connect to the NAS. Is there anyone who could explain how I could unbrick the device ?

    Thank you very much,
    Jean-François

  6. #56

    Standard

    Happy new year!
    I guess I found the unbricking guide using the forum's search functiobn here: http://wiki.nas-portal.org/index.php/Unbricking_guide
    You will need any adapter/hardware which is 3.3V voltage level to access the serial port.

    Please don't continue a discussion inside this thread. Start a new one instead.
    HWguru
    Fragen zu bereits behandelten Themen werden (von mir) nicht beantwortet.
    Allgemeine Tipps rund ums NAS und Linux --> Wiki Beitrag
    Schon einmal deine Frage bei einer Suchmaschine versucht?

  7. #57
    Experte
    Registriert seit
    27.03.2008
    Ort
    Cologne / Germany
    Beiträge
    4.948
    Mein NAS
    N2B1 & IB4220 & WNDR3700v2 with OpenWRT

    Standard

    @kako78

    Anyway you are crazy.
    You can't use the TTL serial console on the Rasp without some blackmagic tricks
    Some random kernel coder
    Lots of stuff attached to serial console
    https://github.com/ulli-kroll

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