Intel D945GCZ Product Guide - Page 41

Connecting Internal Headers

Page 41 highlights

Installing and Replacing Desktop Board Components Connecting Internal Headers Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on page 25. Figure 20 shows the location of the internal headers. B C 12 Port1L 1 2 GND A Port1R 3 4 Presence# Port2R 5 6 Sense1_Ret Sense_Send 7 Key (no pin) Port2L 9 10 Sense2_Ret D USB A Power (+5V) DD+ Ground Key (no pin) 12 34 56 78 10 USB B Power (+5V) D- D+ Ground N/C 1394a TPA1+ Ground TPA2+ +12 V Key (no pin) 12 34 56 78 10 TPA1Ground TPA2+12 V Ground E 3 1 HD LED F Reset No Connection 12 34 56 78 9 Power LED On/Off Item A B C D E F Description Front panel audio Chassis intrusion USB 2.0 (two) IEEE 1394a (two) Alternate power LED Front panel Figure 20. Internal Headers OM17641 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 25.
Figure 20 shows the location of the internal headers.
OM17641
1
3
USB A
USB B
Power (+5V)
Power (+5V)
D-
D+
Ground
Key (no pin)
N/C
D-
D+
Ground
5
6
7
8
3
4
2
10
1
Ground
Ground
TPA2+
TPA2-
TPA1-
TPA1+
+12 V
+12 V
Ground
Key
(no pin)
1394a
1
5
6
7
3
4
2
8
10
A
C
F
1
2
B
D
E
On/Off
Power LED
HD LED
Reset
No Connection
1
2
3
4
5
7
6
8
9
Port1L
Port1R
Port2R
Sense_Send
Port2L
GND
Presence#
Sense1_Ret
Key (no pin)
Sense2_Ret
1
5
6
7
3
4
2
10
9
Item
Description
A
Front panel audio
B
Chassis intrusion
C
USB 2.0 (two)
D
IEEE 1394a (two)
E
Alternate power LED
F
Front panel
Figure 20.
Internal Headers