Onboard Communication Ports - Acer Altos 900 User Manual

3.7.2 Onboard Communication Ports

Serial Port 1 Base Address
This parameter enables serial port 1 as COM 1 and sets its base address.
Table 3-2 Serial Port 1 Settings
Setting
Serial 1 (3F8h)
2F8h
3E8h
2E8h
Disabled
Serial Port 2 Base Address
This parameter enables serial port 2 as COM2 and sets its base address.
Table 3-3 Serial Port 2 Settings
Setting
Serial 2 (2F8h)
3F8h
2E8h
3E8h
Disabled
Function
COM1 with address 3F8h
COM2 with address 2F8h
COM3 with address 3E8h
COM4 with address 2E8h
Disables serial port 1
Function
COM2 with address 2F8h
COM1 with address 3F8h
COM4 with address 2E8h
COM3 with address 3E8h
Disables serial port 2
Chapter 3 - BIOS Utility 3-25