IEI Technology IMBA-Q870-i2, User Manual

Page: 121 / 186

IMBA-Q870-i2 ATX Motherboard
Page 105

Device Mode [RS422/485]
Use the Device Mode option to configure the COM2 serial port.

RS422/485 D
EFAULT
Enables serial port RS422/485 support.
5.3.9.1.3 Serial Port 3 Configuration

Serial Port [Enabled]
Use the Serial Port option to enable or disable the serial port.

Disabled
Disable the serial port

Enabled D
EFAULT
Enable the serial port

Change Settings [Auto]
Use the Change Settings option to change the serial port IO port address and interrupt
address.

Auto D
EFAULT
The serial port IO port address and interrupt address
are automatically detected.

IO=2D0h;
IRQ=10
Serial Port I/O port address is 2D0h and the interrupt
address is IRQ10

IO=2D0h;
IRQ=10, 11
Serial Port I/O port address is 2D0h and the interrupt
address is IRQ10, 11

IO=2E8h;
IRQ=10, 11
Serial Port I/O port address is 2E8h and the interrupt
address is IRQ10, 11

IO=2D8h;
IRQ=10, 11
Serial Port I/O port address is 2D8h and the interrupt
address is IRQ10, 11
5.3.9.1.4 Serial Port 4 Configuration

Serial Port [Enabled]
Use the Serial Port option to enable or disable the serial port.