About the middle of that page, a heading
----------
Using the optional NVMe adapter
-----------
the command to find info
sudo nvme id-ctrl /dev/nvme0
A little more down, command to set power level
A bit more down, another heading
-------------------
Using the SPI flash device
-------------------
There is another link, not in that section,,
but this is up a couple of levels (or more)
https://wiki.pine64.org/index.php/Pinebook_Pro_SPI
----------
Using the optional NVMe adapter
-----------
the command to find info
sudo nvme id-ctrl /dev/nvme0
A little more down, command to set power level
A bit more down, another heading
-------------------
Using the SPI flash device
-------------------
There is another link, not in that section,,
but this is up a couple of levels (or more)
https://wiki.pine64.org/index.php/Pinebook_Pro_SPI