Data recovery and disk repair questions and discussions related to old-fashioned SATA, SAS, SCSI, IDE, MFM hard drives - any type of storage device that has moving parts
March 25th, 2025, 13:01
Has anyone found a compatible SATA PCB for the 100760718 REV. C USB PCB yet?
The drive is a Seagate ST1000LM025
March 25th, 2025, 13:27
Put a 100720903 on one last week
March 25th, 2025, 13:42
Lardman wrote:Put a 100720903 on one last week
Thanks! I'll check that out.
March 31st, 2025, 16:15
Lardman wrote:Put a 100720903 on one last week
I found a 100720903 PCB, but it has no standard ROM chip to allow a chip swap. How did you work around that?
March 31st, 2025, 16:34
The rom is the wson nearest the hsa connector. Just google the pcb number and you'll see plenty of images with it marked if you can't recognise it.
March 31st, 2025, 17:48
dataminer wrote:Lardman wrote:Put a 100720903 on one last week
I found a 100720903 PCB, but it has no standard ROM chip to allow a chip swap. How did you work around that?
https://s.turbifycdn.com/aah/yhst-14437584971410/91404141-20.gif
March 31st, 2025, 18:12
Thank you fzabkar and Lardman.
On a related issue, dialing down the airflow on the workstation helps some, but I'm running into more and more situations where there are sand-grain sized components often right next to the ROM chip. Do you have any tips or tricks for not disturbing those?
April 1st, 2025, 9:03
You shouldn't be sending components flying. The solder shouldn't even be melted on them, especially on an area as open as that. Even if it is surface tension should hold them in place unless you bodge them with tweezers.
Lower the airflow, lower the temperature, decrease the nozzle size so it's chip size and ensure the air is blowing down onto the components not sideways across them.
It's really just a case of spending time learning how to use the tools you have, it's all just practice.
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