Cheers, Rick. I added the arguments to GRUB and booted. Here’s the output from lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
loop0 7:0 0 128.7M 1 loop /run/miso/sfs/livefs
loop1 7:1 0 809.6M 1 loop /run/miso/sfs/mhwdfs
loop2 7:2 0 1.7G 1 loop /run/miso/sfs/desktopfs
loop3 7:3 0 645.3M 1 loop /run/miso/sfs/rootfs
sda 8:0 0 7.5G 0 disk /run/miso/bootmnt
├─sda1 8:1 0 3.3G 0 part
└─sda2 8:2 0 4M 0 part
Unfortunately don’t see the SSD.
I will look again at BIOS for changing SATA controller settings.