Abit WB6 User Manual page 55

BIOS Setup
(0-4) for each of the four IDE devices that the onboard IDE interface supports. Modes 0
through 4 provide successively increased performance. In Auto mode (default setting), the
system automatically determines the best mode for each device.
Master/Slave Drive Ultra DMA:
Two options are available: Auto and Disabled. The default setting is Auto. Ultra DMA is a
DMA data transfer protocol that utilizes ATA commands and the ATA bus to allow DMA
commands to transfer data at a maximum burst rate of 33 MB/sec.
Ultra DMA/33 or Ultra DMA/66 implementation is possible only if your IDE hard drive
supports it and the operating environment includes a DMA driver (Windows
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 provide two Universal Serial Bus (USB) ports, can supports 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:
You can choose either the OS or the BIOS to support the USB keyboard. Depending on
the situation. Two options are available: OS or BIOS, OS is the default setting. With the
BIOS option, you can use a USB keyboard under the MS-DOS environment but don't
need to install a driver.
Init Display First:
Two options are available: PCI Slot and Onboard. The default setting is PCI Slot. When you
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95 OSR2 or a
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