Lanner electronic FW-7650 - Manual (Page 38)

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