Asus Z9PH-D16 - Manual (Page 161)

ASUS Z9PH-D16 Series 6-15
4. Use the USB drive to provide the third-party driver during the OS installation.
Type the command brokenmodules=ahci in Boot Options field, and press
<Enter>.
5. When below screen appears, select the USB floppy disk drive (sda) as the driver
update medium. Select OK, then press <Enter>.
Please choose the Driver Update medium.
sda: USB Floppy
other device
OK Back
6. Select Back and follow the onscreen instructions to finish the installation.