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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 21st, 2022, 16:55 
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Joined: October 3rd, 2005, 0:40
Posts: 3918
Location: Hungary
yes, if you don't get any output over serport, then there is likely some hw damage. Fix that first or move rom chip to a working pcb.

pepe

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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 26th, 2022, 1:44 
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Joined: November 23rd, 2010, 13:32
Posts: 321
Location: brisbane
pepe wrote:
yes, if you don't get any output over serport, then there is likely some hw damage. Fix that first or move rom chip to a working pcb.

pepe



Yes there could be internal track or other electronic issue. Unfortunately manual chip reading is not possible so I have finally given up.
Thanks a lot.


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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 26th, 2022, 7:43 
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Joined: October 3rd, 2005, 0:40
Posts: 3918
Location: Hungary
how about moving the rom chip to a known good pcb?

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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 27th, 2022, 10:02 
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Joined: November 23rd, 2010, 13:32
Posts: 321
Location: brisbane
pepe wrote:
how about moving the rom chip to a known good pcb?


Hi pepe
Unfortunately I can't remove ROM from 2.5" disk PCB (can only desolder TSOP type desktop roms) .
Actually I don't know which type of ROM chip this model has .


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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 27th, 2022, 12:49 
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Joined: March 6th, 2010, 3:46
Posts: 552
Location: Kolding | Denmark
terminator2 wrote:
pepe wrote:
how about moving the rom chip to a known good pcb?


Hi pepe
Unfortunately I can't remove ROM from 2.5" disk PCB (can only desolder TSOP type desktop roms) .
Actually I don't know which type of ROM chip this model has .


ROM chip is typical serial flash but in a WLCSP-8 P8 package. Tiny but possible to move or read via external programmer.


Attachments:
100781943-ROM.png
100781943-ROM.png [ 1.72 MiB | Viewed 434 times ]

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 Post subject: Re: Seagate Mobile HDD ST1000LM035 Rom Reading failure
PostPosted: June 28th, 2022, 2:58 
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Joined: November 23rd, 2010, 13:32
Posts: 321
Location: brisbane
digisupport wrote:
terminator2 wrote:
pepe wrote:
how about moving the rom chip to a known good pcb?


Hi pepe
Unfortunately I can't remove ROM from 2.5" disk PCB (can only desolder TSOP type desktop roms) .
Actually I don't know which type of ROM chip this model has .


ROM chip is typical serial flash but in a WLCSP-8 P8 package. Tiny but possible to move or read via external programmer.


Thanks a lot :good: :-D
I will give it a try


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