This message was posted on behalf of Intel Corporation
In order to access your Optane™ enabled drive from Windows* recovery you must inject the Intel® RST 15.5 driver to your image beforehand. The steps to do this are detailed on the Intel® Optane™ Installation and User Guide Section 3+ (page 7).
If you need any clarification or assistance with those steps, do let us know. We're always glad to be of assistance.