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3: BIOS Setup Utility
29
OnBoard Serial
Port1/2
Use these items to enable or disable the onboard
COM1/2 serial port, and to assign a port address.
OnBoard Ir Port,
IR items
Use this item to enable or disable the Infrared
port, and to assign a port address. If you select a
specific address, the resources are assigned to
the IR port, and you can use the five items below
to determine the operation of the IR port
Onboard Parallel
Port
Use this item to enable or disable the onboard
LPT1 parallel port, and to assign a port address.
The Auto setting will detect and available address.
Parallel Port Mode
Use this item to set the parallel port mode. You
can select SPP (Standard Parallel Port), ECP
(Extended Capabilities Port), EPP (Enhanced
Parallel Port), or ECP + EPP.
EPP Version
Use this item to determine the EPP version, if
you have set the Parallel Port Mode to EPP
Parallel Port IRQ
Use this item to assign either IRQ 5 or 7 to the
parallel port.
Parallel Port DMA
Use this item to assign a DMA channel to the
parallel port. The options are 0, 1 and 3.
Onboard IDE
Use this item to enable or disable either or both of
the onboard Primary and Secondary IDE
channels.
Ultra DMA Support
Use this item to set Ultra DMA for IDE devices on
the IDE channels. You must enable this or UDMA
devices will not work at their intended speed.
Onboard AC’97
Audio
This item enables or disables the onboard AC’97
audio chip.
Onboard AC’97
Modem
This item enables or disables the onboard AC’97
modem chip.
Onboard USB
Function
Enable this item if you plan to use the USB ports
on this mainboard.
USB Function for
DOS
Enable this item if you plan to use the USB ports
on this mainboard in a DOS environment.