I have a Samsung 850 EVO and a 860 QVO. The first is in MBR, the other in GPT. When i tried turning CSM off, the PC rebooted into the BIOS and none of the 2 SSDs was shown as connected, the only recognized storage device was a USB stick. Is there some compatibility issue with these SSDs or is there something that should be installed on them for them to work with CSM off?
The mobo is an Asus Prime B-450M-A with a Ryzen 3600.
The mobo is an Asus Prime B-450M-A with a Ryzen 3600.