Intel D955XCS Product Guide - Page 42

Front Panel Audio Header, IEEE 1394a/b Headers

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Intel Desktop Board D955XCS Product Guide Front Panel Audio Header Figure 22, A on page 41 shows the location of the yellow front panel audio header. Table 5 shows the pin assignments for the front panel audio header. Table 5. Front Panel Audio Header Signal Names Pin Signal Name 1 Port1L 3 Port1R 5 Port2R 7 Sense Send 9 Port2L Pin Signal Name 2 GND 4 Presence# 6 Sense1 Ret 8 Key (no pin) 10 Sense2 Ret IEEE 1394a/b Headers See Figure 22, D for the location of the pink IEEE 1394b header. Table 6 shows the pin assignments for the header. Table 6. IEEE 1394b Header Signal Names Pin Signal Name 1 TPA+ 3 TPA_REF 5 TPB+ 7 +12 V (fused) 9 Key (no pin) Pin Signal Name 2 TPA4 TPB_REF 6 TPB8 +12 V (fused) 10 Ground See Figure 22, B for the location of the blue IEEE 1394a header. Table 7 shows the pin assignments for the header. Table 7. IEEE 1394a Header Signal Names Pin Signal Name Pin 1 TPA1+ 2 3 Ground 4 5 TPA2+ 6 7 +12 V 8 9 Key (no pin) 10 Signal Name TPA1Ground TPA2+12 V Ground 42

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Intel Desktop Board D955XCS Product Guide
42
Front Panel Audio Header
Figure 22, A on page 41 shows the location of the yellow front panel audio header.
Table 5 shows
the pin assignments for the front panel audio header.
Table 5.
Front Panel Audio Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
Port1L
2
GND
3
Port1R
4
Presence#
5
Port2R
6
Sense1 Ret
7
Sense Send
8
Key (no pin)
9
Port2L
10
Sense2 Ret
IEEE 1394a/b Headers
See Figure 22, D for the location of the pink IEEE 1394b header.
Table 6 shows the pin
assignments for the header.
Table 6.
IEEE 1394b Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
TPA+
2
TPA-
3
TPA_REF
4
TPB_REF
5
TPB+
6
TPB-
7
+12 V (fused)
8
+12 V (fused)
9
Key (no pin)
10
Ground
See Figure 22, B for the location of the blue IEEE 1394a header.
Table 7 shows the pin
assignments for the header.
Table 7.
IEEE 1394a Header Signal Names
Pin
Signal Name
Pin
Signal Name
1
TPA1+
2
TPA1-
3
Ground
4
Ground
5
TPA2+
6
TPA2-
7
+12 V
8
+12 V
9
Key (no pin)
10
Ground