Intel BLKDZ68BC manual Chassis Intrusion Header, Consumer IR CIR Headers

Installing and Replacing Desktop Board Components

Chassis Intrusion Header

Figure 24, D shows the location of the chassis intrusion header. This header can be connected to a mechanical switch on the chassis to detect if the chassis cover is removed. This switch should be in the open position when the chassis cover is installed and closed when the cover is removed.

Table 9 shows the pin assignments and signal names for the chassis intrusion header.

Table 9. Chassis Intrusion Header Signal Names

Pin Description

1Ground

2Intruder#

Consumer IR (CIR) Headers

The Desktop Board has two CIR headers: the input or receiver header (Figure 24, E) and the output or emitter header (Figure 24, F). The receiver header consists of a filtered translated infrared input compliant with Microsoft CIR specifications and a “learning” infrared input. The learning input is a high-pass input which the computer can use to “learn” to speak the infrared communication language of other user remotes. The emitter header consists of two output ports which the computer can use to emulate “learned” infrared commands in order to control external electronic hardware.

NOTE

The Consumer IR option must be enabled in the system BIOS before it can function. Press <F2> at boot to enter the system BIOS, and go to Advanced > Peripheral Configuration > Enhanced Consumer IR, and set this option to Enabled.

Table 10 shows the pin assignments and signal names for the front panel CIR receiver (input) header and Table 11 shows the pin assignments and signal names for the back panel CIR emitter (output) header.

Table 10. Front Panel CIR Receiver (Input) Header Signal Names

Pin	Signal Name	Pin	Signal Name
1	Ground	2	LED
3	No Connection	4	Learn-In
5	+5 V Standby	6	Vcc
7	Key (no pin)	8	CIR Input

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