Connecting Internal Headers - Intel D955XBK Product Manual

Connecting Internal Headers

Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on
page 23.
F
1
Port1L
3
Port1R
5
Port2R
Sense_Send
7
9
Port2L
D
IEEE 1394b
1
TPA+
TPA_REF 3
5
TPB+
7
+12 V (fused)
Key (no pin)
C
Power LED
2
GND
4
Presence#
6
Sense1_Ret
Key (no pin)
10
Sense2_Ret
E
TPA1+
Ground
TPA2+
+12 V
Key (no pin)
2 TPA-
TPB_REF
4
6 TPB-
+12 V (fused)
8
Ground
10
No Connection
9
8 7
Reset
6 5
4 3
HD LED
1
2
Item Description
A USB 2.0
B Alternate power LED
C Front panel
D IEEE 1394b
E IEEE 1394a
F Front panel audio
Figure 22. Internal Headers
Installing and Replacing Desktop Board Components
IEEE 1394a
1 2 TPA1-
3 4 Ground
6
5
TPA2-
7 8
+12 V
10 Ground
B
3
1
A
USB A USB B
Power (+5V) Power (+5V)
1 2
3 4
D-
D-
5 6
D+
D+
Ground
7 8 Ground
Key (no pin)
10
N/C
OM17600
41