TYAN S5560, Manual

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3.4.1.1 SGX Configuration
Software Guard Extensions (SGX)
Enable/Disable Software Guard Extensions (SGX)
Disabled / Enabled / Software Controlled
NOTE: The following items will appear when Software Guard Extensions set to
[Enabled].
Select Owner EPOCH input type
There are three Owner EPOCH modes (Each EPOCH is 64bit): no change in owner
epoch, change to new random owner epoch and manually entered by user. After
generating new epoch via ‘Change to New Random Owner EPOCHs’, the selection
reverts back to ‘No change in Owner Epochs’, this is to ensure Epoch stays same.
No Change in Owner EPOCHs / Change to New Random Owner
EPOCHs / Manual User Defined Owner
SGX Launch Control Policy
Software Guard Extensions (SGX) Launch Control Policy.
Options are:
Intel Locked
– Select Intel’s Launch Enclave.
Unlocked
– Enable OS/VMM configuration of Launch Enclave.