Connecting Internal Headers; Internal Headers - Intel D945GBO Product Manual

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.
Port1R
A
Port2R
Sense_Send
Port2L
Item
A
B
C
1 2 GND
Port1L
Presence#
3 4
Sense1_Ret
5 6
7 Key (no pin)
Sense2_Ret
9 10
Description
Front panel audio
Chassis intrusion
USB 2.0 (two)
Figure 20. Internal Headers
Installing and Replacing Desktop Board Components
B
1 2
USB A
Power (+5V)
Ground
Key (no pin)
D
1394a
TPA1+ 1 2 TPA1-
Ground
Ground 3
4
TPA2+ TPA2-
5 6
+12 V
+12 V
7 8
Key
Ground
10
(no pin)
3
E
1
1
HD LED
3
5
F
Reset
7
No Connection
9
Item Description
D IEEE 1394a (two)
E Alternate power LED
F Front panel
C
USB B
1 2
Power (+5V)
D-
3
D- 4
5
D+ 6 D+
Ground
8
7
10
N/C
2
Power LED
4
6
8
OM18088
39