


If I try to power on individual drive, the motherboard will display it in the Boot Priority, but if I try to power on all my 4 drives, only 2 drives will display in Boot Priority. I don't know what's going on and how to fix it. My two hard disk drives have drive letter. Boot Device Control was set to UEFI and Legacy OPROM.

My 2 other hard disk drives were not showed up in the boot priority, but it does showed up in boot menu, SATA Information on the EZ Mode tab, Boot Override tab in the Advanced Mode, and Hard Drive BBS Priorities. Out of the 4 drives, only 2 showed in Boot Priority which are my OS SSD and my optical drive. I have 4 drives that are connected to the motherboard top 4 SATA ports.
