S1200SPO SGX not available in BIOS

I'm trying to enable SGX on a S1200SPO MB with an E3-1270. I asked in the SGX forums here: SGX support for S1200SPO

The BIOS version is: https://downloadmirror.intel.com/26334/eng/ReleaseNotes_BIOS_R01.02.0023.txt..

Interestingly, there is a line in there: 03. [EPSD100028435] Delete SGX Option in setup.

How do I enable SGX on this motherboard? Is there a special BIOS update?

Thanks,

Josh