
UNO-3072LA User Manual 14
3. Boot up or reset the system, press Del to enter into BIOS
4. Select Integrated Peripherals
→ Super I/O device → Onboard Serial
Port 1 and Onboard Serial Port 2,
5. Change the IRQ and IO address from Disablde to the above setting.
6. Press F10 or Back to "Save and Exit Setup" to finish setup change.
7. Fasten the COM port bracket on the UNO-3072LA system .
The IRQ and I/O address range of COM3 and COM4 are listed below:
COM3: 2E8H, IRQ4 COM4: 2F8H, IRQ3
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