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GigaNAS can be unbricked using the JTAG method!
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Post GigaNAS can be unbricked using the JTAG method! 
 
Thanx to HwGuru and Rambo (two guys of nas-2000.org) who created an ad-hoc version of their Flashtool, some days ago i got my unbricked GigaNAS working again using the JTAG method!

I simply soldered a 20pin connector to the PCB, turned on the NAS by shorting pin 1 and 17, and i wrote the NAS bootsector using last FlashTool release.

(be aware: there's still a bug regarding the "JTAG test" button that cannot be used twice; to do so simply restart the software)

Anyway, now you dont have to be worried if you erased the bootloader because it could be restored back, because there's a definitive way to unbrick it!

I'll update NAS unbricking guide accordlying.

As always, if you cannot do it by yourself ask help.
 



 
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If you need an example of cables to be used with serial method, thake a look at this topic.
 



 
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[quote]Buon giorno a tutti,
mi hanno regalato un MZK-NAS01SG e nel momento in cui stavo facendo l'aggiornamento se ne e' andata la corrente...che culo ?
Be ora il mio nas e' un bel mattone bianco inutilizzabile...vi elenco le cose che ho fatto:
1- a nas acceso tengo premuto release e copy...NON SUCCEDE NULLA
2- a nas spento con hdd inserito  tengo premuto il tasto copy e release lo accendo...NON SUCCEDE NULLA
3- a nas spento senza hdd inserito  tengo premuto il tasto copy e release lo accendo...NON SUCCEDE NULLA
nel 2 e 3 caso i led nel pannello frontale iniziano a lampeggiare alternativamente per circa 3 o 4 secondi poi si pengono e come i9n tutti i casi sopra elencati il led power inizia a lampeggiare ininterrottamente per ore ore ore ore...quasi che mi viene vogli di romperlo nel muro...me lo sogno di notte quel led...

Credo che l'unica soluzione sia quella di fare un unbricking ma nella magnifica guida da voi fatta non riesco a capire come connette i pin della scheda dato che sembrerebbe diversa daklla mia per evitare una fusione generale del nas sapete darmi una guida per il mio nas... mi basterebbe sapere l'ordine dei pin... vi metto le foto della mia scheda cosi potete capire meglio...
FOTO 1 - JP01 E' QUEL CONNETTORE ALLA SX DELL'IMMAGINE CON 4 PIEDINI
Image
FOTO2
Image


AIUTATEMI VI PREGO QUESTO FINE SETTIMANA L'HO PASSATO A SCHIZZARE COME UN MATTO....
 



 
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Hello,
I have to deal with a broken firmware on my Raidsonic IB-NAS4220. Can not find Flashtool software, can someone give me a valid link to download ?
Best regards
 



 
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Post Re: GigaNAS Can Be Unbricked Using The JTAG Method! 
 
Hi,
I am sorry that nas-forum is down at the moment.
servCITY seems to have financial troubles and the hoster switched off the servers. I have to look for a new home ...

Edit: the forum is online again at UNT-Server
Sorry for the downtime  

Regards,
  HWguru

Note: why don't you ask at nas-portal where everything about 4220 is discussed?
 



 
Last edited by HWguru on Thursday, 25 August 2011, 13:33; edited 1 time in total 
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Thank you HWguru for your help.
 



 
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