Acer AR320 F1 - Manual (Page 86)

4 System BIOS 68
Serial Port Configuration
Parameter Description Options
Serial Port A/B When set to Enabled, the system
allows you to configure the serial
port settings.
When set to Auto, the system allows
the server BIOS or OS to select a
configuration.
When set to Disabled, the system
will not display any configuration
for the serial port. Enabled
Disabled
Auto
Base I/O Address Selects the base I/O address and IRQ
setting for the selected serial port. 3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3