Intel D945GNTL Product Guide - Page 43

Connecting Internal Headers

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Page 43 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 27. Figure 21 shows the location of the internal headers. Port1L 1 2 GND F Port1R Port2R 34 56 Presence# Sense1_Ret Sense_Send 7 Key (no pin) Port2L 9 10 Sense2_Ret 1394a TPA1+ 1 2 TPA1- Ground 3 4 Ground E TPA2+ 5 6 TPA2- +12 V 7 8 +12 V Key (no pin) 10 Ground USB A USB B Power (+5V) 1 2 Power (+5V) D- 3 4 D- D D+ 5 6 D+ Ground 7 8 Ground Key (no pin) 10 N/C 9 No Connection On/Off 87 Reset 65 C 43 Power LED HD LED 21 A 12 3 B 1 Item A B C D E F Description Chassis intrusion Alternate power LED Front panel Hi-speed USB 2.0 (two) IEEE 1394a (two, optional) Front panel audio Figure 21. Internal Headers OM17620 43

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Installing and Replacing Desktop Board Components
43
Connecting Internal Headers
Before connecting cables to the internal headers, observe the precautions in "Before You Begin" on
page 27.
Figure 21 shows the location of the internal headers.
OM17620
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
D
C
B
1
2
A
Item
Description
A
Chassis intrusion
B
Alternate power LED
C
Front panel
D
Hi-speed USB 2.0 (two)
E
IEEE 1394a (two, optional)
F
Front panel audio
Figure 21.
Internal Headers