Asus P4B-LX - Manual (Page 72)

4-22 Chapter 4: BIOS Setup
4.4.3.1 Onboard PCI Devices Control
Onboard 1394 Controller [Enabled]
This parameter allows you to enable or disable the onboard IEEE 1394
controller. Keep the setting [Enabled] if you wish to use the IEEE 1394-
compliant digital interface. Otherwise, set to [Disabled] to lessen power
consumption. Configuration options: [Disabled] [Enabled]
Onboard LAN Controller [Enabled]
This parameter allows you to enable or disable the onboard LAN
controller. Keep the setting [Enabled] if you wish to use the LAN feature.
Set this field to [Disabled] if you installed a PCI LAN card. The LAN card
includes a controller chipset. Configuration options: [Disabled] [Enabled]