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pclab
 Post subject: HTS725050A9A360
PostPosted: October 18th, 2012, 12:51 
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Joined: July 12th, 2010, 4:38
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Location: Portugal
Hi

This is for repair NVRAM. Can't read NVRAM from SA.

I have an almost identical donor FW.
The FW version is C72E and the one from the pacient is a C71E.

HDD model of donor: HTS725050A9A364 and the pacient: 725050A9A360

Can I work with it?

Or can someone share the FW?

Thanks

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pclab
 Post subject: Re: HTS725050A9A360
PostPosted: October 19th, 2012, 5:30 
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No one have this FW?

Thanks

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jasv
 Post subject: Re: HTS725050A9A360
PostPosted: November 11th, 2012, 4:39 
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Joined: November 11th, 2012, 4:36
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Hi, I have an identical HDD if you want it.
Greetings.
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jono-ats
 Post subject: Re: HTS725050A9A360
PostPosted: November 11th, 2012, 9:31 
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NV-RAM normally resides in serial EEPROM on the PCB, although some Hitachis have NV-RAM copies in SA.

AFAIK, patient / donor FW versions always (dangerous word) have to match.

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pclab
 Post subject: Re: HTS725050A9A360
PostPosted: November 11th, 2012, 17:41 
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Hi Jono

But to do a repair, we need to find a donor, right?

This is possible to do..

Thanks

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jasv
 Post subject: Re: HTS725050A9A360
PostPosted: November 11th, 2012, 18:03 
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Joined: November 11th, 2012, 4:36
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Sorry pclab, I can't send PM for the moment. Tell me how can I do a copy of the firmware without disassemble the hardware or damage the HD.
greetings.
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hddguy
 Post subject: Re: HTS725050A9A360
PostPosted: November 14th, 2012, 10:32 
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Joined: November 9th, 2006, 15:15
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there is no copy of NVRAM in SA module of this 2.5" model.

You can search RAM range to try find native NVRAM data if you have access to SA with donor PCB.
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jono-ats
 Post subject: Re: HTS725050A9A360
PostPosted: November 14th, 2012, 20:56 
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Location: Atlanta, GA
pclab wrote:
Hi Jono

But to do a repair, we need to find a donor, right?

This is possible to do..

Thanks


Of course. Maybe this is a language problem . . . you are looking for a donor?

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jasv
 Post subject: Re: HTS725050A9A360
PostPosted: November 15th, 2012, 3:31 
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Joined: November 11th, 2012, 4:36
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Hi,
I have one, you can see here:
http://www.ebay.es/itm/110975494052?ssP ... 1555.l2649

Greetings.
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