ASRock Z97M-ITX Motherboard, newest version of Clover, SSD boot drive.
I formatted the EFI partition on the SSD as FAT, installed Clover, put in kexts, swapped out VBoxHfs-64.efi and added HFSPlus.efi.
Booting off Clover on a USB stick works fine - but when I go to the Boot Menu of the...