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
December 4th, 2022, 0:47
One of my Friend send one 2TB ROM with
DOM: JAN22 but Patient is JUL21
PCB: 100870255 Rev. A and QR in PCB: 100870642 E E225556N
ROM of Donor 2TB:
December 5th, 2022, 10:21
it is not the same fw
we need 2 drives from the 'same batch', with same fw ver to find out if processor is involved.
December 31st, 2022, 11:07
Still waiting for ROM
January 2nd, 2023, 17:29
in fact, i found i bought 2 when i bought, but had no time to check their roms
will try to do it soon.
January 30th, 2023, 2:17
Terminal Output of one ST4000DM004-2U9104 (Family name is Actually D0 not A0)
I never seen this in any seagate models before.
is this family MCU locked?
January 30th, 2023, 13:12
gps31 wrote:is this family MCU locked?
yes, it is.
January 31st, 2023, 1:05
Doomer wrote:gps31 wrote:is this family MCU locked?
yes, it is.
got one case with PCB burned (SMOOTH chip).
So only possible is SMOOTH chip change???
January 31st, 2023, 6:43
I think that's the best you can do... changing the MCU is more risky, probably easier to change the smooth as well. However, check the surrounding components for shorts, especially the voltage converters and diodes.
pepe
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