Epyc Serial Number Identity

Which software to use to get serial number of the epyc cpu?

in linux dmidecode can request the info.
in windows wmic can be used to create a call that will ask for it.

NOTE: rather the hardware will answer correctly is a crap shoot. all of my EPYC and ThreadRipper systems either report ‘unknown’ or they just respond with a blank line.

Trooper_Ish@Ubu2004RedChungus:~$ sudo dmidecode -t 4 | grep "umber"
	Serial Number: Unknown
	Part Number: Unknown

no dice for me on Gen1 TR

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lshw might be better?
Nope, gives product, but not serial

@pitdel Why do you think it is possible to read the serial number from software? After the pitchforks directed at Intel after the Pentium 3 (briefly) had a read serial number instruction, I’d be surprised if it were repeated.

The wikipedia page for Pentium III mentions that there is a similar identifier called Protected Processor Identification Number (PPIN) starting with Ivy Bridge and Zen 2.

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