Abit BG-72 User Manual page 39

BIOS Setup
! UR2 Duplex Mode
This field is available when UART 2 Mode is set to either ASKIR or IrDA. This item
enables you to determine the infrared function of the onboard infrared chip. The
options are Full and Half (default).
Full-duplex means that you can transmit and send information simultaneously.
Half-duplex is the transmission of data in both directions, but only one direction at a
time.
!
Use IR Pins
Please consult your IR peripheral documentation to select the correct setting of the
TxD and RxD signals.
Onboard Parallel Port
This item specifies the I/O address used by the parallel port.
!
Parallel Port Mode
Allows parallel port operation at ECP and EPP mode.
!
EPP Mode Select
This item selects the EPP mode.
! ECP Mode Use DMA
This item selects the DMA channel of the parallel port.
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User's Manual