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 Post subject: Suspect: NVRAM Damage
PostPosted: July 1st, 2015, 7:53 
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Joined: March 11th, 2008, 4:35
Posts: 1052
Location: Bangladesh
I've a case HTS541010A9E680

Symptom: No spin up with patient PCB, but come to READY status. Only thing Can be read is NVRAM and ROM with SD Doctor.

Checked with DONOR PCB + PATIENT NVR - Same Symptom, No Spin up but READY.
Checked with DONOR PCB + DONOR NVR - Spin up

Can anyone see the existing condition of the NVR attached with the thread please


Attachments:
5410A9.rar [123.16 KiB]
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THANK YOU
SHAHI
shahi.mahbub@gmail.com
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 Post subject: Re: Suspect: NVRAM Damage
PostPosted: July 1st, 2015, 8:21 
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Joined: December 5th, 2011, 5:38
Posts: 1740
Location: Verona, Italy
Inside ROM there are 2 copies of NVRAM:
Copy1 address: from 0x2000h to 0x3000h
Copy2 address: from 0x3000h to 0x4000h

both copies are identical, this means that very likely NVRAM is OK.

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My firmware database:
https://mega.nz/folder/O01DkBRI


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 Post subject: Re: Suspect: NVRAM Damage
PostPosted: July 1st, 2015, 8:44 
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Joined: July 6th, 2013, 15:13
Posts: 311
Location: ISLAMABAD
Hi
In hitachi Hard disk Drive, Nvram Damaged chances is very low in case of not spinup.

Mostly the ROM is damaged.
Find same micro code ROM , Add patient NVRAM to Donor ROM. Some time help full


Regards
Waqas Ali


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 Post subject: Re: Suspect: NVRAM Damage
PostPosted: July 1st, 2015, 11:43 
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Joined: December 5th, 2011, 5:38
Posts: 1740
Location: Verona, Italy
I agree with Waqas :)

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My firmware database:
https://mega.nz/folder/O01DkBRI


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