2-18 ASUS M3N78-CM
PCI Latency Timer [64]
Allows you to select the value in units of PCI clocks for the PCI device latency timer register.
Conguration options: [32] [64] [96] [128] [160] [192] [224] [248]
Allocate IRQ to PCI VGA [Yes]
When set to [Yes], BIOS assigns an IRQ to PCI VGA card if the card requests for an IRQ.
When set to [No], BIOS does not assign an IRQ to the PCI VGA card even if requested.
Conguration options: [Yes] [No]
Palette Snooping [Disabled]
When set to [Enabled], the palette snooping feature informs the PCI devices that an
ISA graphics device is installed in the system so that the latter can function correctly.
Conguration options: [Disabled] [Enabled]
IRQ-xx assigned to [PCI Device]
When set to [PCI Device], the specic IRQ is free for use of PCI/PnP devices. When set to
[Reserved], the IRQ is reserved for legacy ISA devices.
Conguration options: [PCI Device] [Reserved]
2.4.6 USB Conguration
The items in this menu allows you to change the USB-related features. Select an item then
press <Enter> to display the conguration options.
USB Functions [Enabled]
Enables or disables the USB functions. Conguration options: [Enabled] [Disabled]
USB 2.0 Controller [Enabled]
Enables or disables the USB 2.0 Controller. Conguration options: [Enabled] [Disabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for Legacy USB storage devices, including USB ash
drives and USB hard drives. Setting to Auto allows the system to detect the presence of USB
devices at startup. If detected, the USB controller legacy mode is enabled. If no USB device
is detected, the legacy USB support is disabled. Conguration options: [Disabled] [Enabled]
[Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to congure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12
Mbps). Conguration options: [Full Speed] [HiSpeed]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows None.