Hi,

I am working on an arm embeded system with an i2c wired tpm chip:
Linux v2r1 3.14.36ltsi-yocto-standard #12 Tue Sep 15 11:57:15 CEST
2015 armv7l GNU/Linux

The tpm_version output:
  TPM 1.2 Version Info:
  Chip Version:        1.2.66.4
  Spec Level:          2
  Errata Revision:     3
  TPM Vendor ID:       ATML
  TPM Version:         01010000
  Manufacturer Info:   41544d4c

But the version engraved on the chip is 1.2.42.4
The complet label on chip is
 SC323205T
 1528 A3BU7A
 1.2.42.04 U  PH

My question is why is there a difference between the two ?
Thanks.

--
Ismael

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