Duplex Select

Common Options : Full-Duplex, Half-Duplex

 

Quick Review

The Duplex Select BIOS feature allows you to determine the transmission mode of the IR (Infra-Red) communications port.

Selecting Full-Duplex permits simultaneous two-way transmission, like a conversation over the phone.

Selecting Half-Duplex, on the other hand, only permits transmission in one direction at any one time, which is more like a conversation over the walkie-talkie.

Naturally, the Full-Duplex mode is the faster and more desirable choice. You should use Full-Duplex if possible.

Consult your IR peripheral’s manual to determine if it supports Full-Duplex transmission. The IR peripheral must support Full-Duplex for this option to work.

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Details

The Duplex Select BIOS feature is usually found under the Onboard Serial Port 2 BIOS feature. It is slaved to the second serial port so if you disable that serial port, this option will disappear from the screen or appear grayed out.

The Duplex Select BIOS feature allows you to determine the transmission mode of the IR (Infra-Red) communications port.

Selecting Full-Duplex permits simultaneous two-way transmission, like a conversation over the phone.

Selecting Half-Duplex, on the other hand, only permits transmission in one direction at any one time, which is more like a conversation over the walkie-talkie.

Naturally, the Full-Duplex mode is the faster and more desirable choice. You should use Full-Duplex if possible.

Consult your IR peripheral’s manual to determine if it supports Full-Duplex transmission. The IR peripheral must support Full-Duplex for this option to work.

 

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