V28B Chapter 3 BIOS Setup
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3-6.1 OnChip IDE Channel0
The chipset contains a PCI IDE interface with support for two IDE channels. Select Enabled
to activate the primary IDE interface. Select Disabled to deactivate this interface.
3-6.2 OnChip IDE Channel1
The chipset contains a PCI IDE interface with support for two IDE channels. Select Enabled
to activate the secondary IDE interface. Select Disabled to deactivate this interface.
3-6.3 IDE Pre-fetch Mode
The onboard IDE drive interfaces supports IDE prefetching for faster drive accesses. If you
install a primary and/or secondary add-in IDE interface, set this field to Disabled if the interface
does not support prefetching.
3-6.4 Primary / Secondary Master/Slave PIO
The four IDE PIO (programmed Input/ Output) fields let you set a PIO mode (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, the system automatically determines the best
mode for each device.
The choice: Auto , mode 0, Mode 1, Mode 2, Mode 3, Mode4.
3-6.5 Primary/ Secondary Master/ Slave UDMA
Ultra DMA/33 implementation is possible only if your IDE hard drive supports it and the
operating environment includes a DMA driver (Windows 95 OSR2 or a third-party IDE bus
master driver.). IF your hard drive and your system software both support Ultra DMA /33, select
Auto to enable BIOS support.
The Choice : Auto , Disabled.
3-6.6 Init Display First
This item will allows you to determine if the PCI or onboard VGA will be start using first.
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