Intel DZ68BC Product Guide - Page 51

Chassis Intrusion Header, Consumer IR (CIR) Headers, Table 9. Chassis Intrusion Header Signal Names - won t boot

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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 1 Ground 2 Intruder# 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 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 1 Ground Pin Signal Name 2 LED 3 No Connection 4 Learn-In 5 +5 V Standby 7 Key (no pin) 6 Vcc 8 CIR Input 51

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Installing and Replacing Desktop Board Components
51
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
1
Ground
2
Intruder#
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