User manual

IMB-Q670 Micro-ATX Motherboard
Page 87

IO=2C8h;
IRQ=3, 4
Serial Port I/O port address is 2C8h and the interrupt
address is IRQ3, 4
 Device Mode [RS485]
Use the Device Mode option to enable or disable the serial port.

Normal
Sets the serial port mode to normal.

RS485 DEFAULT
Enables serial port RS485 support.
5.3.7.1.3 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 DEFAULT
Enable the serial port
 Change Settings [Auto]
Use the Change Settings option to change the serial port IO port address and interrupt
address.

Auto DEFAULT
The serial port IO port address and interrupt address
are automatically detected.

IO=3E8h;
IRQ=10
Serial Port I/O port address is 3E8h and the interrupt
address is IRQ10

IO=3E8h;
IRQ=10, 11
Serial Port I/O port address is 3E8h 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=2D0h;
IRQ=10, 11
Serial Port I/O port address is 2D0h and the interrupt
address is IRQ10, 11