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How can I change a hard drive serial number?

18 Feb 2013
Explorer 9
18 Feb 2013 | Windows/Linux | Explorer 9

I have been given a couple of SCSI hard drives though this question may apply to any disk. I deal with wiping disks all the time but I have found that the serial numbers on these drives in no way relates to the ones printed on them. I write wipe the drives 3 times but the serial numbers stay the same. I can only guess that the serial is in some hardware on the outside of the disk like a ROM chip and that this has been somehow changed. Does anyone know how to change the serial number of a hard drive, in Windows or Linux? I would be very grateful.