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3.6   Integrated Peripherals 
        
 
On-Chip (Primary/Secondary) PCI IDE : 
The Intel 82C440BX chipset 
contains a PCI IDE interface with support for two IDE channels. Select Enabled to 
activate the primary and/or secondary IDE interface. Select Disabled to deactivate this 
interface, if you install a primary and/or secondary add-in IDE interface. 
 
IDE Prefetch 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.  
The settings are “Enabled” and “Disabled”. 
 
USB Controller: 
Select Enabled if your system contains a Universal Serial Bus 
(USB) controller and you have USB peripherals