B660 TPM 2.0 InterfaceType grayed out

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   I have a new Deskmeet B660 Intel board with an updated BIOS (UEFI 5.02) and I need to be able to change the TPM 2.0 InterfaceType value from the current CRB to FIFO, in order to support ESXi 8.  However, while the option is present, it is grayed out and unchangeable.  Any idea if there are specific conditions in the BIOS setting that need to be met to enable this to be changed, or if there is a BIOS image that allows it?

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needpie Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 27 Nov 2022 Status: Offline Points: 20	Post Options Post Reply Quote needpie Report Post Thanks(0) Quote Reply Topic: B660 TPM 2.0 InterfaceType grayed out Posted: 27 Nov 2022 at 11:40am
	I have a new Deskmeet B660 Intel board with an updated BIOS (UEFI 5.02) and I need to be able to change the TPM 2.0 InterfaceType value from the current CRB to FIFO, in order to support ESXi 8. However, while the option is present, it is grayed out and unchangeable. Any idea if there are specific conditions in the BIOS setting that need to be met to enable this to be changed, or if there is a BIOS image that allows it?