Connecting Internal Headers
Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on
page 23. Figure 20 shows the location of the internal headers.
D
9
8
7
On/Off
6
5
4
3
Power
LED
2
1
C
3
Alternate
Front Panel
Power LED
1
+5 V
Reset
HD LED
Item
Description
A
Front panel audio
B
USB 2.0
C
Alternate front panel power LED
D
Front panel
Figure 20. Internal Headers
Installing and Replacing Desktop Board Components
Port1L
Port1R
Port2R
Sense_Send
Port2L
Power (+5 V)
Ground
Key (no pin)
A
GND
1
2
3
4
Presence#
5
6
Sense1_Ret
Key (no pin)
7
Sense2_Ret
9
10
B
2
Power (+5 V)
1
D–
3
4
D–
D+
D+
5
6
Ground
7
8
No
10
Connection
OM19089
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