Intel D925XBC Product Guide - Page 43
Connecting Internal Headers, 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 25. Port1L Port1R Port2R Sense_Send Port2L 12 34 56 7 9 10 GND Presence# Sense1_Ret Key (no pin) Sense2_Ret F TPA1+ 1 2 TPA1Ground 3 4 Ground TPA2+ 5 6 TPA2+12 V 7 8 +12 V Key (no pin) 10 Ground E USB A USB B Power (+5V) 1 2 Power (+5V) D- 3 4 D- D+ 5 6 D+ Ground 7 8 Ground Key (no pin) 10 N/C D 9 No Connection On/Off 87 65 Reset Power LED 43 HD LED 3 21 1 C B Item A B C D E F Description Chassis intrusion Alternate power LED Front panel USB 2.0 IEEE 1394 Front panel audio Figure 21. Internal Headers 1 A OM16934 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 25.
OM16934
D
B
C
1
5
6
7
3
4
2
10
9
Port1L
Port1R
Port2R
Sense_Send
Port2L
GND
Presence#
Sense1_Ret
Key (no pin)
Sense2_Ret
1
3
On/Off
Power LED
HD LED
Reset
No Connection
1
2
3
4
5
7
6
8
9
USB A
USB B
1
5
6
7
8
3
4
2
10
Power (+5V)
Power (+5V)
D-
D+
Ground
Key (no pin)
N/C
D-
D+
Ground
E
A
1
F
1
5
6
7
8
3
4
2
10
TPA1+
Ground
Key (no pin)
Ground
TPA1-
TPA2+
TPA2-
+12 V
+12 V
Ground
Item
Description
A
Chassis intrusion
B
Alternate power LED
C
Front panel
D
USB 2.0
E
IEEE 1394
F
Front panel audio
Figure 21.
Internal Headers