Intel Desktop Board DX58SO Product Guide
48
Consumer IR (CIR) Headers
The Desktop Board has two CIR headers: the input or receiver header (Figure 27, D)
and the output or emitter header (Figure 27, C). The receiver header consists of a
f
iltered 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 6 shows the pin assignments and
signal names for the front panel CIR receiver
(input) header and Table 7 shows the pin assignments and
signal names for the back
panel CIR emitter (output) header.
Table 6. 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
Table 7. Back Panel CIR Header Emitter (Output) Header Signal Names
Pin Signal Name Pin Signal Name
1 Emitter Out 1 2 Emitter Out 2
3 Ground 4 Key (no pin)
5 Jack Detect 1 6 Jack Detect 2
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