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 Post subject: ST2000DM001 heads replacement
PostPosted: July 26th, 2022, 20:47 
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Joined: July 7th, 2022, 19:56
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Location: rosemead, CA 91770 USA
Does anyone know are those two drive's heads compatible??

The drive need heads replacement:
Attachment:
微信图片_20220707165049.jpg
微信图片_20220707165049.jpg [ 151.78 KiB | Viewed 6911 times ]


The donor drive:
Attachment:
donor.jpg
donor.jpg [ 161.5 KiB | Viewed 6911 times ]


Thanks


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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 27th, 2022, 1:26 
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Joined: May 29th, 2011, 8:47
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Location: Russia
must be compatible


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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 27th, 2022, 19:40 
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Yes they are.

Pro tip: if data is valuable send it to a pro.

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 27th, 2022, 22:56 
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Joined: September 29th, 2005, 12:02
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Location: Chicago
These are compatible
These drives are also infamous for developing media damage.

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 28th, 2022, 0:32 
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Joined: March 17th, 2022, 21:24
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Location: Melbourne
Just make sure the heads map and PCB are the same.


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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 28th, 2022, 8:35 
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SirForensic wrote:
Just make sure the heads map and PCB are the same.

The heads map is the same, the PCB is not but it's ok

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 28th, 2022, 18:36 
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Joined: March 17th, 2022, 21:24
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Location: Melbourne
Doomer wrote:
SirForensic wrote:
Just make sure the heads map and PCB are the same.

The heads map is the same, the PCB is not but it's ok


How you can be sure about the heads map?
I have been a few times in situations where the model, site code, and serial number first 3-digits match, and still they are using different amounts of heads. This is not common with Seagate drives, but it's surprisingly common with WD drives. :?:


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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 28th, 2022, 18:55 
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SirForensic wrote:
Doomer wrote:
SirForensic wrote:
Just make sure the heads map and PCB are the same.

The heads map is the same, the PCB is not but it's ok


How you can be sure about the heads map?
I have been a few times in situations where the model, site code, and serial number first 3-digits match, and still they are using different amounts of heads. This is not common with Seagate drives, but it's surprisingly common with WD drives. :?:


When that happens you are dealing with a refurbished drive (the one with less heads)

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 28th, 2022, 23:19 
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Joined: September 29th, 2005, 12:02
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Location: Chicago
SirForensic wrote:
How you can be sure about the heads map?

Because I have more than 20 years of experience.

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 29th, 2022, 2:50 
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Joined: August 15th, 2006, 3:01
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Location: CDRLabs @ Chandigarh [ India ]
SirForensic wrote:
Doomer wrote:
SirForensic wrote:
Just make sure the heads map and PCB are the same.

The heads map is the same, the PCB is not but it's ok


How you can be sure about the heads map?
I have been a few times in situations where the model, site code, and serial number first 3-digits match, and still they are using different amounts of heads. This is not common with Seagate drives, but it's surprisingly common with WD drives. :?:


Wrong ,
Seagates are worse ,WD are a charm to work with

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 29th, 2022, 10:25 
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Joined: March 11th, 2021, 10:13
Posts: 184
Location: Switzerland
If possible, you should check the little white sticker on the head connector (need to open the drive). If it's similar (Patient AGR, donor AGR... and not LSI) it will work.


Attachments:
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sticker.JPG [ 15.34 KiB | Viewed 6504 times ]
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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 29th, 2022, 12:29 
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AG means Agere, which actually was purchased by LSI, which was later purchased by Broadcom
AG=LSI=BR - it's literally the same thing.

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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 29th, 2022, 16:50 
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Joined: March 11th, 2021, 10:13
Posts: 184
Location: Switzerland
I have two patient, one donor.

Patient 1 ST2000DM001, 1ER164-044, Z8E preamp B6
Patient 2 ST2000DM001, 1ER164-044, Z8E preamp B6

Donor 1 ST2000DM001, 1ER164-021, Z8E premap B6

All are TK.
Patient 1 head connector sticker= GR4-B AG-R
Patient 2 head connector sticker = GR4-C LSIB2-M
Donor head connector sticker = GR4-B AG-K

Donor is working for Patient 1, not with Patient 2. Back to patient 1, still working. Took a donor with LSIB sticker, it works.

Is Texas Instrument part of it as well ? Maybe I am wrong but it's something I look after and so far it really helps, maybe just luck then.


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 Post subject: Re: ST2000DM001 heads replacement
PostPosted: July 29th, 2022, 17:11 
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suricate.ch wrote:
Donor is working for Patient 1, not with Patient 2. Back to patient 1, still working. Took a donor with LSIB sticker, it works.

Seagate changes heads (the actual RW elements) periodically, so this could be the reason why, check the DOM. Unfortunately this information can only be obtained through trial-and-error or through Seagate's internal database (which is not for us mortals).
Moreover the 1ER164 drive is another family with far more problems than the drive in the topic.
suricate.ch wrote:
Is Texas Instrument part of it as well ? Maybe I am wrong but it's something I look after and so far it really helps, maybe just luck then.

Texas Instrument would be marked as TI and it won't be B6

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