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.