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 Post subject: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 12:31 
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Joined: June 17th, 2018, 11:43
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Location: spain
This disc has the upper plate with a deep groove. striped dish.
I changed the heads and modified the ROM with the MRT to adapt it to the new heads.
The disk tries to start with the same noise as before changing the heads and stops.
I get to load the LDR without problems, but the disk after loading the LDR still does not turn.
In the terminal it leaves: "LED: 000000CC FAddr: 00258B57"
For the depth of the disc I am afraid of spoiling the new heads, since it is about 5 mm from the outside of the disc and I think that is where the SA is written.

Before continuing with the album if someone gives me a suggestion, I could help.


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 12:37 
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Joined: June 17th, 2018, 11:43
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Location: spain
Una imagen de la mrt


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 13:03 
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Check the heads sliders under a microscope for signs of debris

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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 13:24 
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Indeed, the head 0x03 has the head slider different from the others.
He has made a very deep groove on the plate 0x03.


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 13:29 
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The heads that I have verified are the originals that the disc carried.
The ones he carries now are those of the donor hard drive.


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 14:15 
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I put the heads back on the donor and he does not read, I do not know if I'm doing something wrong or my heads are broken by the groove of the disc. I am going to ask for another donor and I will remove and put the heads several times in the donor, to see if I do something wrong.

I leave it for now.

Thanks pcimage.


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 14:35 
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Joined: February 9th, 2009, 16:13
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Location: Ontario, Canada
Odds are, the lower surfaces are toast too.

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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 6th, 2018, 14:43 
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Joined: June 17th, 2018, 11:43
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It is possible that they are wrong, although when I inspected the head sliders, only the head 0x03 was wrong.
Since I do not trust that I am doing something wrong when placing my heads, I will do tests with another donor of this model.


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 7th, 2018, 22:41 
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can you show some screenshots of terminal interface?


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 Post subject: Re: MOMENTUS 5400.6 - striped dish
PostPosted: August 8th, 2018, 13:05 
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Joined: June 17th, 2018, 11:43
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Try to read the disc and after a while the engine stops and enters rdy.
If you try to do something with the disk, which I really do not know what to do, enter BSY.
When it enters LED CC .....; I lose connection by terminal.

At the same moment that it gave symptoms of being bad the heads should have disarmed the disc and verify the state of the heads. Now I think I have lost it.


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