Asus A7M266-D User Manual download pdf (Page 31)

ASUS A7M266-D User’s Manual 31

3. HARDWARE SETUP

Connectors

3. H/W SETUP

8) Chassis Intrusion Lead (4-1 pin CHASSIS)

This requires an external detection mechanism such as a chassis intrusion moni-

tor/sensor or microswitch. The sensor is triggered when a high level signal is

sent to the Chassis Signal lead, which occurs when a panel switch or light detec-

tor is triggered. This function works with an optional ASUS CIDB chassis intru-

sion module (see your vendor for more details). If the chassis intrusion lead is

not used, a jumper cap must be placed over the pins to close the circuit.

9) Standard Infrared Module Connector (5-1 pin IR)

This connector supports an optional wireless transmitting and receiving infrared

module. This module mounts to a small opening on system cases that support

this feature. You must also configure the setting through UART2 Use Infrared

(see 4.4.2 I/O Device Configuration) to select whether UART2 is directed for

use with COM2 or IrDA. Use the five pins as shown in Back View and connect

a ribbon cable from the module to the motherboard’s SIR connector according

to the pin definitions.

A7M266-D

+5Volt

(Power Supply Stand By)

Ground

Chassis Signal

A7M266-D Chassis Open Alarm Lead

CHASSIS

A7M266-D

A7M266-D Infrared Module Connector

Standard Infrared (SIR)

Front View Back View

+5V

IRTX

IRRX

(NC)

GND

SIR

+5V

IRRX

IRTX

(NC)

GND

(NC)

GND

CIRRX

CIR+5V

CIR

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Asus A7M266-D User Manual Page 31

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