1. Live media boots with no graphical splash so you can see what it going on. Boot splash is enabled on installation. 2. Network is disabled on Live media. Network is enabled on installation. (bug siocsifflag device is not found in live mode)
ddCopy ISO to a fairly fresh not an old worn out usbstick
unplug other drives so nvme is the only connected drive
nvme partition table should be gpt format
create 300 mb fat32 partition set boot and esp flags with gparted create 2000 mb swap partition create 10000 mb partition or larger for /
Run Install Me and select use existing partitions. Install and shutdown Remove usb stick you used for the installation
Your motherboard bios should have an entry with pclinuxos prefix which you want to select as your boot device.
If all goes well you should be able to boot into the nvme drive. Once that is done you can shutdown and plug in your other drives.