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SEAGATE HEAD CHANGE
http://forum.hddguru.com/viewtopic.php?f=11&t=11483
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Author:  zebong [ March 4th, 2009, 9:16 ]
Post subject:  SEAGATE HEAD CHANGE

Hi to all,

Afther change heads in the disk i have this.

PCB is from donor
HEADS from donor

Code:
Reset
4096k x 16 DRAM
GALAXY2D - 1_Disk    S-6A   05-31-06 13:44
Head Mask FFFF - Switch to full int.
              Spin Ready
ERR Read App Code

F>



Platter have this:
Attachment:
ST-HEAD.jpg
ST-HEAD.jpg [ 89.36 KiB | Viewed 11709 times ]


Thanks
Ze

Author:  dobrevjetser [ March 4th, 2009, 11:25 ]
Post subject:  Re: SEAGATE HEAD CHANGE

What are the drive models? PN ? FW? Country ?
If original pcb is ok always use that.

Best regards,

Dobre

Author:  zebong [ March 4th, 2009, 11:35 ]
Post subject:  Re: SEAGATE HEAD CHANGE

Hi Dobre,

Attachment:
ST3320820AS.jpg
ST3320820AS.jpg [ 37.18 KiB | Viewed 12590 times ]


The original PCB is OFF :(

Flash Rom Erased

Attachment:
ST3320820AS1.jpg
ST3320820AS1.jpg [ 316.19 KiB | Viewed 11715 times ]



Thanks
Ze

Author:  Creator [ March 4th, 2009, 14:42 ]
Post subject:  Re: SEAGATE HEAD CHANGE

Zebong,
You should perform terminal command
F>R4
And then paste here result (A3 or A6?)
A3: App code damaged (BAD's in SA)
A6: Incompatible App code (PCB is incompatible)
If A6 - change PCB and see;
If A3 - you should find compatible Loader (same Eng Rev with patient) and load only App code.
Then F>j.
But don't write to SA anything (App code for example).

Author:  zebong [ March 5th, 2009, 8:35 ]
Post subject:  Re: SEAGATE HEAD CHANGE

Thanks Creator,

Have this in terminal.

Code:
Reset
4096k x 16 DRAM
GALAXY2D - 1_Disk    S-6A   05-31-06 13:44

Buzz  - Head Mask FFFF - Switch to full int.
              Spin Ready
ERR Read App Code

F>R4
    Code - FF  Track 15A76.0.022  Sns 022
F>

Author:  N.C. [ March 5th, 2009, 10:36 ]
Post subject:  Re: SEAGATE HEAD CHANGE

zebong wrote:
Thanks Creator,

Have this in terminal.

Code:
Reset
4096k x 16 DRAM
GALAXY2D - 1_Disk    S-6A   05-31-06 13:44

Buzz  - Head Mask FFFF - Switch to full int.
              Spin Ready
ERR Read App Code

F>R4
    Code - FF  Track 15A76.0.022  Sns 022
F>


FF - Unsupported preamp? :shock:

Author:  ccc [ March 6th, 2009, 3:05 ]
Post subject:  Re: SEAGATE HEAD CHANGE

FF=Unsupported code in the new preamp interface....Looks like incompatible heads.
Rgds

Author:  zebong [ March 6th, 2009, 14:53 ]
Post subject:  Re: SEAGATE HEAD CHANGE

Hi ccc,

Look at my patient / donor :


Attachment:
st-320-sata.jpg
st-320-sata.jpg [ 53.36 KiB | Viewed 11701 times ]


What do you think is possible to have different preamp ?

Thanks
ZeBong

Author:  prodata [ March 6th, 2009, 21:20 ]
Post subject:  Re: SEAGATE HEAD CHANGE

start a loader and see what happen..
maybe we can discuss OL
See My PM

Author:  craig6928 [ March 13th, 2009, 1:31 ]
Post subject:  Re: SEAGATE HEAD CHANGE

check the preamp ic-chip and see if its matches with the other one
it looks to use that its using a diffrent type ic

dirty tricks of seagate to stop us recovering hard drives :(

Author:  drsc [ February 4th, 2013, 18:47 ]
Post subject:  Re: SEAGATE HEAD CHANGE

hi , How do you do the scratches on your disc surface
used during the head is broken

Author:  drsc [ February 4th, 2013, 18:55 ]
Post subject:  Re: SEAGATE HEAD CHANGE

hi dear friends you can turn head tool

Attachments:
2012-12-12 17.07.58.jpg
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2012-12-12 17.07.16.jpg
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2013-01-16 03.02.03.jpg
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2013-01-16 03.02.32.jpg
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2013-01-16 03.03.58.jpg
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2013-01-27 03.05.34.jpg
2013-01-27 03.05.34.jpg [ 607.25 KiB | Viewed 11213 times ]
2013-01-27 03.04.58.jpg
2013-01-27 03.04.58.jpg [ 609.03 KiB | Viewed 11213 times ]
2013-01-27 03.03.35.jpg
2013-01-27 03.03.35.jpg [ 721.44 KiB | Viewed 11215 times ]

Author:  drsc [ February 8th, 2013, 20:26 ]
Post subject:  Re: SEAGATE HEAD CHANGE

hi, data recovery device for scratched surface

could you give information

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