4-24
Chapter 4
Onboard Serial Port A/B
These items specify the base I/O port addresses of the onboard Serial
Port A/B. Selecting [Auto] allows BIOS to automatically determine the
correct base I/O port address. Settings: [Auto], [3F8/COM1], [2F8/COM2],
[3E8/COM3], [2E8/COM4] and [Disabled].
Serial Port B Mode
This setting allows you to specify the operation mode for Serial Port B.
Setting options: [IrDA], [ASKIR], [Normal].
[Normal]
RS-232C Serial Port
[IrDA]
IrDA-compliant Serial Infrared Port
[ASKIR]
Amplitude Shift Keyed Infrared Port
IR Duplex Mode
This setting controls the operating mode of IR transmission/reception.
Setting options: [Full-Duplex], [Half-Duplex]. Under [Full-Duplex] mode,
synchronous, bi-directional transmission/reception is allowed. Under
[Half-Duplex] mode, only asynchronous, bi-directional transmission/
reception is allowed.
IR Receiver/Xmitter Polarity
This setting controls the data transfer speed of IR transmission/reception.
Setting options: [High], [Low].
Onboard Parallel Port
This field specifies the base I/O port address of the onboard parallel port.
Selecting [Auto] allows BIOS to automatically determine the correct base
I/O port address. Settings: [Auto], [378], [278], [3BC] and [Disabled].
Parallel Port Mode
This item selects the operation mode for the onboard parallel port: [ECP],
[Normal], [Bi-Dir] or [EPP].
EPP Version
The item selects the EPP version used by the parallel port if the port
is set to [EPP] mode. Settings: [1.7] and [1.9].
