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 Post subject: ST500LT012 TERMINAL FAIL
PostPosted: September 27th, 2018, 12:45 
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Failed to recognize in bootcode.
It shows wrong characters. In normal f3 normal mode it detects it well.
2 clicks and the mortor stops.

It is a case study, no matter the data.


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 Post subject: Re: ST500LT012 TERMINAL FAIL
PostPosted: September 30th, 2018, 17:26 
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Is the drive working fine ? Or is it a damaged drive ?

Are you having problems only with boot code mode or does the drive have further issues ? Meaning you are having problems reading/writing ROM on good drives by boot code mode with MRT or does your drive start to spin, click and stop even if you don't connect it to MRT ?

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 Post subject: Re: ST500LT012 TERMINAL FAIL
PostPosted: September 30th, 2018, 17:50 
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It is a broken unit.
It does 2 clicks and it stops in 1 second ~.
If I do not connect it to the mrtlab, it does not detect it and the engine stops immediately.
Once I stopped the engine if I detected it with mrtlab I detected it as SEAGATE and then as generic.
I'm going to select it as a thin laptop and it has short-circuited the ROM and if I read it I upload it.

Thank you.

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 Post subject: Re: ST500LT012 TERMINAL FAIL
PostPosted: September 30th, 2018, 17:52 
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Most likely head/s and or pre-amp are gone ....

Does it produce a terminal log at all ? Can you produce a terminal log of a known working drive of the exact same family/model ?

:D

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 Post subject: Re: ST500LT012 TERMINAL FAIL
PostPosted: October 2nd, 2018, 9:57 
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When I get another one like this, I will study it carefully, and I will put the results we find.

Thanks for your interest.

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 Post subject: Re: ST500LT012 TERMINAL FAIL
PostPosted: October 2nd, 2018, 14:36 
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By isolating the PCB and selecting the Yarax family 86 HDD model instead of the one detected by the MRTLAB (Yarrar_5400), the terminal works correctly.
It gives me the wrong head type failure, but it is normal the PCB is isolated.
I assume they are the heads that are wrong. I have visualized CAP, SAP and RAP and they seem to be correct.

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