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WD1JMVW

Posted: 22.02.18, 08:01
by emir_has
Hi

I have this drive as patient and it has head isssue. So I swap heads with donor which is almost identical (3 month difference, DCM same). I it is USB drive so also i found SATA compatible board. This compatible board is ok tested on working drive it is ok.
So i swap heads but when i want to transfer microjogs from donor wd utility doesnt show any values (only zeros). So can somene tell me is it bug or it is normal for these drives??
If it is normal is there any other adaptives which i have to transfer from donor?
Why then hdd doesnt initialize normal with donor heads???

Thank you guys!

Re: WD1JMVW

Posted: 22.02.18, 14:09
by Maxim_TS
Hello

The Microjogs in these drives are in different place, that's why we can't edit them and can't build the head map in RAM.
Most possibly the donor was not compatible, and you need to look for new heads.

Re: WD1JMVW

Posted: 22.02.18, 14:51
by emir_has
Thank you

Re: WD1JMVW

Posted: 22.02.18, 15:18
by emir_has
Can you tell me where are microjogs for these drives in wihich module and can I read it with hexeditor and marwell plugin???

Thanks

Re: WD1JMVW

Posted: 25.02.18, 08:23
by Amarbir[CDR-Labs]
Maxim_TS wrote:Source of the post Hello

The Microjogs in these drives are in different place, that's why we can't edit them and can't build the head map in RAM.
Most possibly the donor was not compatible, and you need to look for new heads.



Question ,
We can see preamp but not micro jog in this .I have never seen a issue with micro jogs in this .I have a question for you when you guys know its at a different place can you guys not update too to find and average those or its a non researched issue

Re: WD1JMVW

Posted: 25.02.18, 08:25
by Amarbir[CDR-Labs]
emir_has wrote:Source of the post Hi

I have this drive as patient and it has head isssue. So I swap heads with donor which is almost identical (3 month difference, DCM same). I it is USB drive so also i found SATA compatible board. This compatible board is ok tested on working drive it is ok.
So i swap heads but when i want to transfer microjogs from donor wd utility doesnt show any values (only zeros). So can somene tell me is it bug or it is normal for these drives??
If it is normal is there any other adaptives which i have to transfer from donor?
Why then hdd doesnt initialize normal with donor heads???

Thank you guys!


Hi,
I think you were the one asking me thin on a chat or something ,Can you tell me whats the issue in details .It will be great if you could share patient and donor roms with me here and also post a picture of both

Re: WD1JMVW

Posted: 25.02.18, 13:09
by emir_has
Hi

Here is the pation sticker https://imgur.com/NsBiHS3
Here is the donor sticker https://imgur.com/N24JqjZ
Donor worked 100% I put compatible SAT borad SED decrypted and backup all system info.
Patien backuped ROM and ROM module no access to SA.
Here is the microjogs editor: https://imgur.com/aFhK18e

Re: WD1JMVW

Posted: 25.02.18, 13:12
by emir_has
Here is ROM patient: http://ul.to/nwqohbcd
Here is ROM donor: http://ul.to/1b093ppw