§2023-06-29

¶ PCieSSD, M.2 NVME SS

$ lsblk -f
NAME        FSTYPE FSVER LABEL    UUID                                 FSAVAIL FSUSE% MOUNTPOINTS
mtdblock0                                                                             
mmcblk0                                                                               
├─mmcblk0p1 vfat   FAT32 opi_boot EE66-DCBA                             901.6M    12% /boot
├─mmcblk0p2 ext4   1.0   opi_root 4ba4cf3f-3f6d-4fc0-9200-9e92d6d2f5fb   57.4G     7% /var/log.hdd
│                                                                                     /
├─mmcblk0p3 swap   1              393a85f9-432f-4291-be7f-1dbf011d4c17                [SWAP]
└─mmcblk0p4 xfs                   4a1b648e-389d-4d87-8f69-1225cdf39e28   74.9G    53% /opt/xfs
zram0                                                                                 [SWAP]
zram1                                                                   138.1M    19% /var/log
nvme0n1      <---- PCieSSD                   

if you have MicroSD in the system, it will boot from the microSD. I I will bet will bootup eMMc first too.

You will feel a little hot of this PCiSSD from outside the cover.