MSI MS-98D6 Manual page 37

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PCI/PCIE Device Configuration
▶
EHCI1, EHCI2
This setting disables/enables the USB EHCI controller. 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.
▶
XHCI Mode
This setting disables/enables the USB XHCI controller. The eXtensible
Host Controller Interface (XHCI) is a computer interface specification
that defines a register-level description of a Host Controller for Univer-
sal Serial bus (USB), which is capable of interfacing to USB 1.0, 2.0,
and 3.0 compatible devices. The specification is also referred to as the
USB 3.0 Host Controller specification.
▶
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.
▶
Boot up Beep
This setting enables/disables the system beep during boot up.
▶
Audio Controller
This setting enables/disables the onboard audio controller.
▶
Launch OnChip/OnBoard LAN OpROM
These settings enable/disable the initialization of the onboard/onchip
LAN Boot ROM during bootup. Selecting [Disabled] will speed up the
boot process.
MS-98D6
3-7