MSI MS-6555 Manual page 49

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
AWARD
3-17
BIOS Setup
®