Asus P2-P5945GC - Manual (Page 75)

5-20 Chapter 5: BIOS setup
Do not disable the BIOS EHCI Hand-Off option if you are running a
Windows ® operating system with USB device.
BIOS EHCI Hand-off [Enabled]
Allows you to enable support for operating systems without an EHCI
hand-off feature. Configuration options: [Enabled] [Disabled]
USB Mass Storage Device
Allows you to configure the USB Mass Storage Class Devices.
USB Configuration
USB Mass Storage Reset Delay [20Sec]
Device #1 Generic 2.0 Reader
Emulation Type [Auto]
Device #2 Generic 2.0 Reader
Emulation Type [Auto]
Device #3 Generic 2.0 Reader
Emulation Type [Auto]
USB Mass Storage Reset Delay [20 Sec]
Allows you to configure the number of seconds POST waits for the USB
mass storage device after start unit command. Configuration options: [10
Sec] [20 Sec] [30 Sec] [40 Sec]
Emulation Type [Auto]
When it is set to [Auto], the USB devices that are less than 530MB will
emulated as floppy and remaining as hard drive. Forced FDD option can
be used to force a HDD formatted drive to boot as FDD (Ex. ZIP drive].
Configuration options: [Auto] [Floppy] [Forced FDD] [Hard disk]
USB 2.0 Controller Mode [HiSpeed]
Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or
Full Speed (12 Mbps). Configuration options: [HiSpeed] [Full Speed]