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BIOS Setup
SIS AC97 Audio
Auto
Select this option when using the onboard AC97
codec.
Disabled
Select this option when using a PCI sound card.
SIS 10/100M Ethernet
This field is used to enable or disable the onboard LAN.
SIS 1394 Controller (648FX-AL only)
The field is used to enable or disable the onboard 1394 function.