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Chapter 4 BIOS Setup
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On-Chip IDE Channel
0/1
The chipset contains a PCI IDE interface with
support from two IDE channels. Select Enabled
to activate the first and/or the second IDE
interface. Select Disabled to inactivate an inter-
face if you install a primary and/or second add-
on IDE interface.
The choices: Enabled(default); Disabled
IDE Prefetch Mode The on-board IDE drive supports IDE prefetching
for faster drive accesses. If the IDE device doesn’t
support prefetching, set this field to Disabled.
The choices: Enabled(default); Disabled
Primary
Master / Slave UDMA
Secondary
Master / Slave UDMA
Ultra DMA33/66/100/133 implementation is possible
only if your IDE hard drive supports it, if the operat-
ing environment includes a DMA drive, and if your
system software supports Ultra DMA33/66/100/133.
Select “Auto” to enable BIOS support.
The choices: Auto(default); Disabled
Primary
Master / Slave PIO
Secondary
Master / Slave PIO
Choose Auto or Mode 0~4. The BIOS will detect the
HDD mode type automatically when you choose
Auto. You need to set to a lower mode than Auto
when your hard disk becomes unstable.
The choices: Auto(default); Mode 0; Mode 1; Mode
2; Mode 3; Mode 4
Init Display First Initialize the AGP video display before initializing any
other display device on the system. Thus the AGP
display becomes the primary display.
OnChip USB Allows you to select the USB transfer rate mode.
Usually USB2.0 is up to 480Mb/s, while USB1.1 is
up to 12Mb/s.
Choices: Disabled, V1.1+V2.0(default), V1.1
USB Keyboard Sup-
port
Select Enabled(default) if your system contains a
Universal Serial Bus (USB) controller and you have
a USB keyboard.