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Dienstag, 11. Mai 2010, 08:34

[solved] Unbricking LNU23SL Mainboard (NAS4220 Clone)


i am trying to unbrick my nas with a LNU23SL Mainboard (ver. 1.21). This NAS seems to be similar to the NAS4220 from Raidsonic, but the Manufacturer is Seenergy (NVR 104).
On this NAS i get no response in the serial console after flashing a new firmware to the device. So i think that only a JTAG recover is possible.
I have build an unbuffered JTAG Adapter an soldered the connections to the mainboad. Also a short connection from pin1 to pin 17.

Now my problem:
The Nas_FlashTool has detected the JTAG-Adapter and the Device (Device is in Debug Mode, SL3516 CPU found, etc.) but it says every time that there's an unknown flash type. On the mainboad ist a MX29GL128BEH2-90G Flash.
Can somebody help me?

Thanks in advance.

I have added a screenshot from the FlashTool with all informations.
»Anthrax6937« hat folgende Datei angehängt:
  • Flasher.JPG (40,05 kB - 44 mal heruntergeladen - zuletzt: 16. Dezember 2018, 13:51)

Dieser Beitrag wurde bereits 2 mal editiert, zuletzt von »Anthrax6937« (15. Mai 2010, 09:22)



Beiträge: 1 001

Wohnort: Wien


Dienstag, 11. Mai 2010, 09:43

Welcome Anthrax6937!

Ok, we have to check if the MX29GL128BEH2-90G is compatible to the other flashes being supported.
We have to make a new release of the tool which will take some days. When it's ready I send you a test version.

Regards HWguru
Leute ohne Laster haben oft wenige Tugenden...
NAS2000 2.3.2.IB.2.RS.1+Lüfterabschaltung+SSH+do_it+zusätzliche commandline tools+changed root password
1. suchen - lesen - Google - lesen - 1. Fragen gehören ins Forum, dann profitieren alle davon!


Dienstag, 11. Mai 2010, 09:45

This is great. Thank you very much. :)

Dieser Beitrag wurde bereits 1 mal editiert, zuletzt von »Anthrax6937« (11. Mai 2010, 10:03)


Samstag, 15. Mai 2010, 09:16

With the new testversion of the Nas_FlashTool, i am able to unbrick my NAS. Thank you very much to everybody who helped me for unbricking my NAS.