Supermicro X7SLM+ User Manual page 63

Chapter 4: AMI BIOS
USB Configuration
This feature allows the user to configure USB settings for the motherboard.
Legacy USB Support
Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy
USB support will be automatically enabled if a legacy USB device is installed
on the motherboard, and vise versa. The settings are Disabled, Enabled and
Auto.
USB 2.0 Controller Mode
This setting allows you to select the USB 2.0 Controller mode. The options are
Hi-Speed (480 Mbps) and Full Speed (12 Mbps).
BIOS EHCI Hand-Off
Select Enabled to enable BIOS Enhanced Host Controller Interface support to
provide a workaround solution for an operating system that does not have EHCI
Hand-Off support. When enabled, the EHCI Interface will be changed from the
BIOS-controlled to the OS-controlled. The options are Disabled and Enabled.
USB Mass Storage Device Configuration
This feature allows the user to configure USB Mass Storage Device Settings.
USB Mass Storage Reset Delay
This setting allows you to decide how long the system should wait in an attempt
to detect the presence of a USB Mass Storage Device before it issues a start
command the system to proceed with the next operation during POST.The op-
tions are 10 Seconds, 20 Seconds, 30 Seconds and 40 Seconds.
Device#1
This setting allows the BIOS to display the USB Device#1 detected in the
system.
Emulation Type
If set to Auto, USB devices that are smaller than 530MB will be emulated as
floppy and the remaining will be emulated as an HDD. The Forced FDD option
will allow you to configure an HDD formatted drive to boot as an FDD (eg. Zip
Drive). The options are Auto, Floppy, Forced FDD, Hard Disk, and CD ROM.
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