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Limit IR speeds

If you have an older computer, you may need to limit the connection speed in your IR options tab. Monday, May 7, 2001 Limit IR speeds If you have an older computer, you may need to limit the connection speed in your IR options tab.

Ever wonder why you can’t get top connection speeds through your infrared (IrDA) PC connections? It may be that your older PC has an old UART (serial communications chip). If an IR adapter is attached to a COM port that is using an older 8250 UART instead of a newer 16550A UART (or if an IR adapter is connected to a relatively slow computer such as a 386 running at 20MHz), you might need to use the “Limit Connection Speed To” option in the Infrared Monitor Options tab to limit the connection speed to 19.2 Kbps. After establishing a successful IR connection at this speed, you can use the “Limit Connection Speed To…” option to experiment with higher-speed connections.

Formerly part of Computer Currents, Stephen J. Bigelow’s Computer Advisor column has been resurrected on computeruser.com as a daily tech tip column. Find Stephen at www.dlspubs.com.

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