MSI MS-98F6 - Page 40

3-10
BIOS Setup MS-98F6
▶PCI/PCIE Device Conguration
▶PCI Latency Timer
This item controls how long each PCI device can hold the bus before another
takes over. When set to higher values, every PCI device can conduct trans-
actions for a longer time and thus improve the effective PCI bandwidth. For
better PCI performance, you should set the item to higher values.
▶OS Selection
Allows you to select the OS version.
[Windows 8] For Windows 8.X
[Windows 7] For Windows 7
▶XHCI Mode
This setting disables/enables the USB XHCI controller. The eXtensible Host
Controller Interface (XHCI) is a computer interface specication that denes a
register-level description of a Host Controller for Universal Serial bus (USB),
which is capable of interfacing to USB 1.0, 2.0, and 3.0 compatible devices.
The specication is also referred to as the USB 3.0 Host Controller specica-
tion.
▶USB 2.0 (EHCI) Support
This setting disables/enables the USB EHCI controller. The Enhanced Host
Controller Interface (EHCI) specication describes the register-level interface
for a Host Controller for the Universal Serial Bus (USB) Revision 2.0.
▶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.