AWARD
®
BIOS Setup
3-17
Serial Port A/B
The items specify the base I/O port address and IRQ for the onboard Serial Port
A/Serial Port B. Selecting
Auto
allows BIOS to automatically determine the
correct base I/O port address. Settings:
Disabled
,
3F8/IRQ4
,
2F8/IRQ3
,
3E8/
IRQ4
,
2E8/IRQ3
and
Auto
.
Serial Port B Mode
The field allows you to specify the operation mode for serial port “COM
B”. Settings are:
Normal:
RS-232C Serial Port
IrDA:
IrDA-compliant Serial Infrared Port
ASKIR:
Amplitude Shift Keyed Infrared Port
RxD, TxD Active
This setting controls the receiving and transmitting speed of the IR pe-
ripheral in use. Setting options:
Hi/Hi, Hi/Lo, Lo/Hi, Lo/Lo.
IR Transmission Delay
This setting determines whether the IR transmission rate will be delayed
while converting to receiving mode. Setting options:
Disabled, Enabled
.
IR Duplex Mode
This setting controls the operating mode of IR transmission/reception.
Setting options:
Full, Half
. Under Full Duplex mode, synchronous, bi-
directional transmission/reception is allowed. Under Half Duplex mode,
only asynchronous, bi-directional transmission/reception is allowed.
IR Pin Select
Please consult your IR peripheral documentation to select the correct set-
ting of the TxD and RxD signals. Setting options:
RxD2/TxD2, IR-Rx2Tx2
.
Parallel Port
This specifies the I/O port address and IRQ of the onboard parallel port. Settings:
378/IRQ7
,
278/IRQ5
,
3BC/IRQ7
and
Disabled
.
Parallel Port Mode
SPP
: Standard Parallel Port
EPP
: Enhanced Parallel Port
ECP
: Extended Capability Port
ECP + EPP
: Extended Capability Port + Enhanced Parallel Port