Front Panel Audio Header; S/Pdif Header; Chassis Intrusion Header; Front Panel Audio Header Signal Names - Intel DX79SI Product Manual

Intel Desktop Board DX79SI Product Guide

Front Panel Audio Header

Figure 22, A shows the location of the front panel audio header. Table 6 shows the pin
assignments and signal names for the front panel audio header.
Table 6. Front Panel Audio Header Signal Names
Pin Signal Name
1 PORT 1L
3 PORT 1R
5 PORT 2R
7 SENSE_SEND
9 PORT 2L

S/PDIF Header

Figure 22, B shows the location of the S/PDIF header. Table 7 shows the pin
assignments and signal names for the S/PDIF connector.
Table 7. S/PDIF Header Signal Names
Pin Description
1 Vcc
2 S/PDIF Out
3 Ground

Chassis Intrusion Header

Figure 22, C 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.
Table 8 shows the pin assignments and signal names for the chassis intrusion header.
Table 8. Chassis Intrusion Header Signal Names
Pin Description
1 Intruder
2 Ground
50
Pin Signal Name
2 GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY (no pin)
10 SENSE2_RETURN