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General Information 19
USB Mouse Support
This parameter enables or disables the use of a USB
keyboard outside of Windows. The default is
Disabled. It is not configurable if Onboard USB is set
to Disabled.
IDE Drives Setup
IDE Prefetch Mode
The default setting is Enabled. IDE prefetch mode
can improve performance of your system for fast
drive accesses. If install a primary and/or secondary
add-in IDE interface, set this field to Disabled if the
interface does not support prefetch.
Audio Setup
Onboard Sound
This parameter enables or disables the onboard
audio controller chipset. This item does not appear in
the menu if there is no physical audio chipset on the
system board. The default setting is Enabled.
Onboard Legacy Audio
This parameter enables or disables the onboard
audio controller chipset to function in DOS
environment. The default is Enabled.
IMPORTANT: When onboard legacy audio is set to
Enabled, the below six parameters can be
configurabled as I/O base address and IRQ
assignment and so on.
Sound Blaster
The default is Disabled.
SB I/O Base Address
The default is set to 220H.
SB IRQ Select
The default is IRQ5.
MPU-401 --Enabled
The default is Enabled.