Hi, This is more of an FYI, hope it will help others.
Running TPM.MSC on my Windows 10 PC, it told me no TPM was found. I had BIOS 1301 and under Advanced\PCH-FW, I had two options: dTPM and PTT. dTPM was enabled by default (see pictures). I assumed PTT was the correct one to choose, from reading forums etc. but I left it alone and upgraded BIOS to 1501 (no issues). Going back into the same screen after upgrade, I see PTT is now the default.
Running TPM.MSC again, it tells me it has found a TPM, I've highlighted the version - 2.0
Update: just to mention, for those who want hardward based TPM encryption (PTT is software based), it is possible to purchase a TPM module from ROG and plug it into the mbod, instead.