Asus MAXIMUS III EXTREME User Manual page 162

Find the [HardwareIds.scsi.iaAHCI_PCH] and
8.
[HardwareIds.scsi.iastor_8R9R10RDOPCH] sections in the txtsetup.oem
file.
9. Type the following line to the bottom of the two sections:
id = "USB\VID_xxxx&PID_xxxx", "usbstor"
[HardwareIds.scsi.iaAHCI_PCH]
id= "PCI\VEN_8086&DEV_3A22&CC_0106","iaStor"
id= "USB\VID_03EE&PID_6901", "usbstor"
[HardwareIds.scsi.iaStor_8R9R10RDOPCH]
id= "PCI\VEN_8086&DEV_3A22&CC_0106","iaStor"
id= "USB\VID_03EE&PID_6901", "usbstor"
Add the same line to both sections.
The VID and PID vary with different vendors.
10. Save and exit the file.
4-32 Chapter 4: Software support