DFI 686IPK User Manual page 56

On-Chip Primary PCI IDE and On-Chip Secondary PCI IDE
These categories allow you to enable or disable the primary and sec-
ondary IDE controller. The default is Enabled. Select Disabled if you
want to add a different hard drive controller.
PCI Slot IDE 2nd Channel
This allows you to designate an IDE controller board inserted into one
of the PCI slots as your secondary IDE controller.
External IDE controller designated as the secondary controller.
Enabled
No IDE controller occupying a PCI slot.
Disabled
USB Controller
By default, the USB controller is Disabled. To use the USB controller,
set this option to Enabled. Refer to the Universal Serial Bus Connectors
section for instructions on connecting the USB ports.
KBC Input Clock
By default, the keyboard clock is 12MHz. However, if you encountered
network compatibility problem, set your system to the most appropriate
keyboard clock speed.
Onboard FDC Controller
Enabl e d Enables the onboard floppy disk controller.
Disabled Disables the onboard floppy disk controller.
Onboard Serial Port 1 and Onboard Serial Port 2
Auto
3F8/IRQ4, 2F8/IRQ3
3E8/IRQ4, 2E8/IRQ3
Disabled
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The system will automatically select an I/O address
for the onboard serial port 1 and serial port 2.
Allows you to manually select an I/O address for
the onboard serial port 1 and serial port 2.
Disables the onboard serial port 1 and/or serial port 2.