ESPRIMO P710 PCIe SSD Support

Hi,

i want to get PCIe SSD Support on my ESPRIMO P710 (Mainboard D3161-A12).
I followed this guide, but i cannot flash the bios, it says 1d - Error: Failed to load image into memory.

Is it possible to make the M2 SSD work via PCIe?

  D3161-A1.zip (Size: 2.19 MB / Downloads: 1)