Intel D955XCS Manual do Utilizador Página 41

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Installing and Replacing Desktop Board Components
41
Connecting Internal Headers
Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on
page 23.
G
H
I
J
OM17786
B
C
On/Off
Power LED
HD LED
Reset
No Connection
1
2
3
4
5
7
6
8
9
1
3
USB A
USB B
1
5
6
7
8
3
4
2
10
Power (+5V)
Power (+5V)
D-
D+
Ground
Key (no pin)
N/C
D-
D+
Ground
A
F
1
5
6
7
3
4
2
10
9
Port1L
Port1R
Port2R
Sense_Send
Port2L
GND
Presence#
Sense1_Ret
Key (no pin)
Sense2_Ret
C
E
D
FP Audio
1
5
6
7
8
3
4
2
10
TPA1+
Ground
Key (no pin)
Ground
TPA1-
TPA2+
TPA2-
+12 V
+12 V
Ground
IEEE 1394a
(fused)
1
5
6
7
8
3
4
2
10
TPA+
TPA_REF
Key (no pin)
TPB_REF
TPA-
TPB+
TPB-
+12 V
+12 V
Ground
IEEE 1394b
(fused)
Front Panel
Item Description
A Front panel audio
B IEEE 1394a
C Alternate power LED
D IEEE 1394b
E Front panel
F Hi-speed USB
Figure 22. Internal Headers
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