Intel DQ57TM S/PDIF Header, Chassis Intrusion Header, Alternate Front Panel Power LED Header

Installing and Replacing Desktop Board Components

S/PDIF Header

Figure 23, C shows the location of the S/PDIF output header. Table 9 shows the pin assignments and signal names for the S/PDIF output header.

Table 9. S/PDIF Header Signal Names

Pin Description

1Ground

2S/PDIF Out

3Key (no pin)

4+5 VDC

Chassis Intrusion Header

Figure 23, 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 10 shows the pin assignments and signal names for the chassis intrusion header.

Table 10. Chassis Intrusion Header Signal Names

Pin Description

1Intruder#

2Ground

Alternate Front Panel Power LED Header

Figure 23, E shows the location of the alternate front panel power LED header. Pins 1 and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If your chassis has a three-pin power LED cable, connect it to this header. Table 11 shows the pin assignments for the alternate front panel header.

Table 11. Alternate Front Panel Power LED Header Signal Names

Pin	Signal Name	In/Out
1	Front panel LED+	Out
2	No pin
3	Front panel LED-	Out

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