T420 BIOS - Option "Clear Security Chip" missing

Hello

We got several T420 with different versions of BIOS (from 1.30 to 1.40)

95% of them, the Option 'Clear Security Chip' is available @ BIOS

but on some of them, the option is missing.

Y at - it a simple explanation of this mystery?

Best regards

Chekov33

The option to clear security chip is only in the BIOS after a cold start.

He won't be here after a hot start.

This is for security reasons.

Mystery solved?

Tags: ThinkPad Notebooks

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