4-24AcerAltos 21000 System GuideOnboard Devices Configuration Page 2/2Onboard Floppy Disk Controller ......[Enabled]Onboard IDE Primary Channel .........[Enabled]Onboard PS/2 Mouse (IRQ 12) .........[Enabled]Onboard USB .........................[Disabled]Onboard SCSI ........................[Disabled]Boot from Onboard SCSI Device ....[--------]Onboard Ethernet Chip ...............[Enabled]SMBUS Interrupt(IRQ9) ...............[Enabled]↑↓ = Move Highlight Bar, → ← = Change Setting, F1 = HelpPgDn/PgUp = Move ScreenSerial Port 1This parameter allows you to enable or disable the serial port 1. TheBase Address and IRQ items are configurable only if this parameter isenabled.Base AddressThis function lets you set a logical base address for serial port 1. Theoptions are:• 3F8h• 2F8h• 3E8h• 2E8hIRQThis function lets you assign an interrupt for serial port 1. The optionsare IRQ 3 and 4.