MSI P7N2 Diamond Series Manual page 52

1st/ 2nd Boot Device
The items allow you to set the first/ second boot device where BIOS attempts to
load the disk operating system.
Boot From Other Device
Setting the option to [Yes] allows the system to try to boot from other device. if
the system fails to boot from the 1st/ 2nd/ 3rd boot device.
Trusted Computing
Press <Enter> to enter the sub-menu and the following screen appears
TCG/TPM SUPPORT
This setting allows you to enable/disable the TCG/TPM.
BIOS Setup
3-11