Hi,
I accidently posted my question about the criteria to swap 7200.10 pcbs in the wrong board some days ago. I was a bit dull due to some cold (no, not flu ) and as I am still suffering from it, this job had to be one which could be completed outside a clean room.
And it was

Thanks to N.C., but now I can confirm that a mismatching CPU number is not always a problem.
The original board with a 100407839 was swapped against one with a 100404195, recovering full operation (at least reading). I moved the flash ROM and it started up without any trouble - but it was not identified by the computer. So I connected the serial terminal connector, found the drive telling to be a master with non-compliant slave, doing a PATA Reset and sitting there waiting... as it was wrongly jumpered, slave without master.
But it was...?!
Sure it was, but one of the solder connections to the jumper terminal was cracked. Little kind of bastard this drive, but now it's done

Hello,

I am glad your recovery was successful, for future recoveries you may want to consider an alternative method of connecting to the terminal jumpers; you can easily create a cable using an actualy jumper, or make sort of single pin jumpers for Rx and Tx that go over each pin individually. This way you do not have to waste time soldering every time.



Regards,

Hi,
thanks, but I was using a IDC connector filed down to snuggly fit onto the pins. I have equipped my adapter with this one and a 2mm pitched plug for the SATA drives. Nevertheless the pin gets wiggled by pushing the connector on, maybe that was the cause, maybe it was cracked before.