Intel D945GPM English Product Guide - Page 39

Connecting Internal Headers

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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 23. Figure 20 shows the location of the internal headers. A Port1L Port1R Port2R Sense_Send Port2L 12 34 56 7 9 10 GND Presence# Sense1_Ret Key (no pin) Sense2_Ret F 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+ 1 2 TPA1- Ground 3 4 Ground TPA2+ 5 6 TPA2- B +12 V 7 8 +12 V Key (no pin) 10 Ground C 12 3 1D On/Off Power LED 9 87 65 43 21 No Connection Reset E HD LED Item A B C D E F Description Front panel audio IEEE 1394a (two) Chassis intrusion Alternate power LED Front panel Hi-speed USB 2.0 (two) Figure 20. Internal Headers OM18108 39

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Installing and Replacing Desktop Board Components
39
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.
OM18108
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
Port1L
Port1R
Port2R
Sense_Send
Port2L
GND
Presence#
Sense1_Ret
Key (no pin)
Sense2_Ret
1
5
6
7
3
4
2
10
9
On/Off
Power LED
HD LED
Reset
No Connection
1
2
3
4
5
7
6
8
9
1
3
F
E
1
2
A
B
C
D
Item
Description
A
Front panel audio
B
IEEE 1394a (two)
C
Chassis intrusion
D
Alternate power LED
E
Front panel
F
Hi-speed USB 2.0 (two)
Figure 20.
Internal Headers