Re: Asus Z77 motherboards
If you search forums you can find info.
I have not seen info on Asus with asmedia, but AsRock.
AsRock calls BIOS mode AHCI.
"Launch EFI Shell from Filesystem Device" in the Exit tab of Asrock motherboard
Asrock Extreme4 Z77 motherboard, which has 4 SATA3 ports: 2 Intel ports (0 & 1) and 2 Asmedia ports (A0 & A1).Had my DVD drive connected to one of the Asmedia ports (A1), and so I tried switching the connection to one of the Intel SATA2 ports and the errors went away.
UEFI, Windows on SSD, Ubuntu on HD ASRock Z77 Pro4 motherboard