Please use your own Naming Conventions for PmemDisk.ps1xml / PmemPhysicalDevice.ps1xml
M$$ will probably ignore this issue, too:
All 110 format ps1xml Files use the Naming Convention:
Once more, it's a shame that the Naming Convention is not validated before a M$$ Product is deployed, those files would fail:
Such bugs are annoying - and could very easily be prevented. If you need help with the basics, please ask.