Re: [t13] Serial # of an ATA drive

Fri, 04 Apr 2003 15:07:56 -0800

Title: Serial # of an ATA drive
Gana,
 
    There was a proposal before T13 awhile back for World Wide Name which would give each device a unique ID based on manufacturer and serial number.  I am not sure what ever happened with that.
 
 
I am currently wading through the minutes to find out if it was ever voted in or not.  Maybe someone of the reflector knows off the top of there head.
 
gary laatsch
 
 
----- Original Message -----
Sent: Friday, April 04, 2003 1:39 PM
Subject: [t13] Serial # of an ATA drive

Hi folks,

Can someone here tell me if the serial # string returned by the IDENTIFY DEVICE command of a drive will be unique for one particular drive ?

The reason why I am asking is that the verbiage in the ATA spec 7.0 says,


6.16.17 Words (19:10): Serial number
This field contains the serial number of the device. The contents of this field is an ASCII character string of
twenty bytes. The device shall pad the character string with spaces (20h), if necessary, to ensure that the
string is the proper length. The combination of Serial number (words (19:10)) and Model number (words (46:27))
shall be unique for a given manufacturer.

Any insight on this one would be very useful.

Thanks,
Gana

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