User`s manual

4-14 Chapter 4
Ultra DMA/33 or Ultra DMA/66/100 implementation is possible only if your IDE hard drive
supports it and the operating environment includes a DMA driver (Windows
®
95 OSR2 / 98 /
ME / NT / 2000 or a third-party IDE bus master driver).
Auto: If your hard drive and your system software both support Ultra DMA, select Auto to
enable BIOS support.
Disabled: If you encounter a problem in using Ultra DMA devices, you can try to disable this
item.
Onboard IDE-2 Controller:
The description is same as the Onboard IDE-1 Controller.
USB Controller:
Two options are available: Enabled and Disabled. The default setting is Enabled. This
motherboard provides two Universal Serial Bus (USB) ports, thus supporting USB devices. If
you don't want to use USB devices, set it to Disabled, then the item USB Keyboard Support &
USB Mouse Support will also be disabled.
# USB Keyboard Support:
Two options are available: OS and BIOS. The default setting is OS. If you want to use USB
keyboard in DOS environment, please set it to BIOS.
# USB Mouse Support:
Two options are available: OS and BIOS. The default setting is OS. If you want to use USB
mouse in DOS environment, please set it to BIOS.
AC97 Audio
When set to Auto, it will allow the BIOS to detect the audio device you use. If an audio device
is detected, the onboard audio controller will be able to support it. If you want to use another
audio adapter card to connect the audio connectors, please set this item to Disabled.
Onboard LAN Controller:
This option enables or disables the LAN controller. The default setting is Enabled.
Onboard LAN Boot ROM:
This option enables or disables the Boot ROM on LAN controller. The default setting is
Enabled.
Init Display First:
Two options are available: PCI Slot and Onboard/AGP. The default setting is PCI Slot. When
you install an additional display card, you can choose either a PCI display card or an AGP
display card to activate the display boot-up screen.
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