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Front Panel Audio Header
Figure 23, A shows the location of the front panel audio header. Table 5 shows the pin
assignments and signal names for the front panel audio header.
Table 5. 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 23, B shows the location of the S/PDIF header. Table 6 shows the pin
assignments and signal names for the S/PDIF connector.
Table 6. S/PDIF Header Signal Names
Pin
Description
1
Vcc
2
S/PDIF Out
3
Ground
IEEE 1394a Header
Figure 23, C shows the location of the IEEE 1394a header. Table 7 shows the pin
assignments and signal names for the IEEE 1394a header.
Table 7. IEEE 1394a Header Signal Names
Pin
Signal Name
1
TPA1+
3
Ground
5
TPA2+
7
+12 V
9
Key (no pin)
Installing and Replacing Desktop Board Components
Pin
Signal Name
2
GND
4
PRESENCE#
6
SENSE1_RETURN
8
KEY (no pin)
10
SENSE2_RETURN
Pin
Signal Name
2
TPA1-
4
Ground
6
TPA2-
8
+12 V
10
Ground
49
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