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 9th, 2013, 5:37
When I search the internet for firmware for my Seagate ST9500325AS I notice a lot of different firmwares do exist. Just curious, but does someone know if there is a system in these firmware codes and what do they mean?
Some examples of what I've found:
1SDM1
2SDM1
4SDM2
1BSM1
2BSM1
9APM1
5HPM1
5DEM1
What I've figured out so far is that when I note the firmware as nXXYZ, that:
n = revision code (higher is newer)
XX = OEM name? SD=Seagate, AP=Apple, HP=Hewlett Packard, DE=Dell?
Y = ?
Z = ?
December 9th, 2013, 7:16
SD = Standard Distribution ?
JC = Dell (
http://www.users.on.net/~fzabkar/HDD/JC49.TXT)
TDxx = Toshiba
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