Acer Altos R920 Series - Manual (Page 130)

4 System BIOS 112
Serial Port Configuration
Parameter Description Option
Serial A Enable Enables or disables the onboard serial A
port. Enabled
Disabled
Address Set the base I/O address for serial A port. 3F8
2F8
2E8
3E8
IRQ Set the interrupt request line for the serial
A port. 4
3
Serial B Enable Enables or disables the onboard serial B
port. Enabled
Disabled
Address Set the base I/O address for serial B port. 2F8
3F8
2E8
3E8