User`s manual

MMGA Series CyberResearch
®
Motherboards
122 ©Copyright 2009 CyberResearch, Inc.

3E8/IRQ4
Serial Port 1 I/O port address is 3E8 and the interrupt
address is IRQ4

2E8/IRQ3
Serial Port 1 I/O port address is 2E8 and the interrupt
address is IRQ3
 Serial Port2 Address [2F8/IRQ3] (For Infrared ONLY)
Use the Serial Port2 Address option to select the Serial Port 2 base address.

Disabled
No base address is assigned to Serial Port 2

2F8/IRQ3 D
EFAULT
Serial Port 2 I/O port address is 3F8 and the interrupt
address is IRQ3

3E8/IRQ4
Serial Port 2 I/O port address is 3E8 and the interrupt
address is IRQ4

2E8/IRQ3
Serial Port 2 I/O port address is 2E8 and the interrupt
address is IRQ3
 Serial Port2 Mode [IrDA]
Use the Serial Port2 Mode option to select the Serial Port2 operational mode.

IrDA D
EFAULT
Serial Port 2 mode is IrDA

ASK IR
Serial Port 2 mode is ASK IR
 COMB Port Duplex Mode [Half Duplex]
Use the COMB Port Duplex Mode option to select the COM port operational mode.

Half Duplex
DEFAULT
COM port mode is half-duplex

Full Duplex
COM port mode is full-duplex