MSI IM-GM45 User Guide - Page 54
MS-9818 Mainboard, USB Configuration, Legacy USB Support, USB 2.0 Controller Mode, BIOS EHCI Hand- - drivers
UPC - 816909048575
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MS-9818 Mainboard USB Configuration Legacy USB Support Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating system that does not support or have any USB 1.1/2.0 driver installed, such as DOS and SCO Unix. USB 2.0 Controller Mode This setting specifies the operation mode of the onboard USB 2.0 controller. BIOS EHCI Hand-Off This setting allows you to enable or disable a workaround for operating systems without EHCI (Enhanced Host Controller Interface) hand-off support. The Enhanced Host Controller Interface (EHCI) specification describes the registerlevel interface for a Host Controller for the Universal Serial Bus (USB) Revision 2.0. 3-18
3-18
MS-9818 Mainboard
USB Configuration
Legacy USB Support
Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating
system that does not support or have any USB 1.1/2.0 driver installed, such as
DOS and SCO Unix.
USB 2.0 Controller Mode
This setting specifies the operation mode of the onboard USB 2.0 controller.
BIOS EHCI Hand-Off
This setting allows you to enable or disable a workaround for operating sys-
tems without EHCI (Enhanced Host Controller Interface) hand-off support. The
Enhanced Host Controller Interface (EHCI) specification describes the register-
level interface for a Host Controller for the Universal Serial Bus (USB) Revision
2.0.