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 Post subject: Seagate ST2000DM001 ROM collection
PostPosted: April 30th, 2014, 12:44 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Hello,

Today arrived one of these Seagate drives with the PCB all burnt. I've managed to get a ROM image which seems to have good data (not just rubbish), but the HDD with this ROM in several matching PCB's won't make the drive spin (not even give a BSY state), so I'm afraid the ROM is corrupt.

I know these cases are almost a no-go, but I'd like to give a try to a bunch of ROMs. Maybe one of them rings the bell.

The details are:

ST2000DM001
CC4B
9YN164-500
S/N W24 0M586

Any help collecting some ROMs would be very much appreciated.

Regards


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 Post subject: Re: Seagate ST2000DM001 ROM collection
PostPosted: April 30th, 2014, 13:48 
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Joined: November 15th, 2012, 17:47
Posts: 226
Have you considered the possibility that something else is causing the drive not to spin ? Say, for example pre-amp failure. Does the drive spins with matching donor, without ROM swap ?


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 Post subject: Re: Seagate ST2000DM001 ROM collection
PostPosted: April 30th, 2014, 14:18 
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Joined: September 8th, 2009, 18:21
Posts: 16960
Location: Australia
Wouldn't a bad checksum be reported via terminal?

Could we see the damage?

_________________
A backup a day keeps DR away.


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 Post subject: Re: Seagate ST2000DM001 ROM collection
PostPosted: April 30th, 2014, 16:29 
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Joined: October 22nd, 2013, 5:27
Posts: 234
Location: Spain
Two PCBs from two almost matching donors (same model, same PCB number, different firmware) make the drive spin, click, and report servo fail errors through the terminal. +1 for the fact that the ROM was uploaded through the 1v8 terminal without complain... but I've never seen a drive behave like this with burnt preamp - the status register lights are sometimes all off upon spin, sometimes DRQ + DRD... but no BSY. Is this normal in thee drives?


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 Post subject: Re: Seagate ST2000DM001 ROM collection
PostPosted: May 1st, 2014, 11:27 
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Joined: November 15th, 2012, 17:47
Posts: 226
The adaptives in ROM contain parameters such as MR and PLO which help align the Heads on the tracks; if ROM is damaged, the HDD will not be able to align the Heads on the Servo and Data tracks, thus the error message.


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