Intel Desktop Board D975XBX Product Guide 40 Connecting Internal Headers

Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on

page 23.

10
87
65
4
2
1
3
No
Connection
Ground
D+
D–
Power (+5 V)
Key (no pin)
Ground
D+
Power (+5 V)
D–

B

109
7
65
4
2
1
3
Sense2_Ret
Key (no pin)
Sense1_Ret
Presence#
GND
Port2L
Sense_Send
Port2R
Port1R
Port1L
+5 V
Reset
HD LED
On/Off
Power
LED
++
12
34
56
7
9
8

EA

+
3
1

D

Alternate
Front Panel
Power LED
10
87
65
4
2
1
3
Ground
+12 V
TPA2–
Ground
TPA1–
Key (no pin)
+12 V
TPA2+
TPA1+
Ground

C

OM18191

Item Description A Front panel audio B USB 2.0 C IEEE 1394a D Alternate front panel power LED E Front panel
Figure 22. Internal Headers