Abit SL6 User Manual page 57

BIOS Setup
third-party IDE bus master driver).
Auto: If your hard drive and your system software both support Ultra DMA/33, select
Auto to enable BIOS support. For Ultra DMA/66 devices, please refer the
requirements mentioned in page 2-18. (Default setting)
Disabled: If you encounter a problem in using Ultra DMA devices, you can try to disable
this item.
Onboard IDE-2 Controller:
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 will also be disabled.
USB Keyboard Support:
Two options are available: OS and BIOS. The default setting is OS. If you want USB
keyboard use in a DOS environment, please set it to BIOS.
Init Display First:
Two options are available: PCI Slot and Onboard. The default setting is PCI Slot. When you
install additional PCI display cards, you can choose either a PCI display card or an onboard
VGA chip to activate the display boot-up screen.
AC97 Audio:
Two options are available: Auto and Disabled. The default setting is Auto. If you set it to
Enabled, it will allow the BIOS to detect the audio device you use. If an audio device is
detected, the onboard audio controller (815E chipset family) 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.
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User's Manual