Hard Disk Drive Activity Led; Front Panel Connector - Intel R440LX Product Manual

Server motherboard
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Hard Disk Drive Activity LED

Pin
1
2
3
4

Front Panel Connector

Pin
1
3
5
7
9
11
13
15
132
Signal
Return
Hard disk active
Hard disk active
Return
Signal
GND
Front panel reset switch
+5V
Front panel NMI switch
Fan failure indicator LED
Power fault LED
IMB Data line
IMB Clock line
Pin
Signal
2
Hard disk activity LED
4
Front panel power switch
6
N/C (key)
8
+5V
10
Chassis intrusion switch
12
+5V standby
14
GND
16
GND
Chapter 6 - Hardware Technical Reference

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