|
A 34-pin header is provided for cabling to the system front panel. The header contains reset, NMI, power control buttons, and LED indicators. The table below details the pin-outs of the header.
| Pin
|
Signal Name
|
|
Pin
|
Signal Name
|
| 1
|
Power LED Anode
|
|
2
|
5VSB
|
| 3
|
KEY
|
|
4
|
Fan Fail LED Anode
|
| 5
|
Power LED Cathode
|
|
6
|
Fan Fail LED Cathode
|
| 7
|
HDD Activity LED Anode
|
|
8
|
Power Fault LED Anode
|
| 9
|
HDD Activity LED Cathode
|
|
10
|
Power Fault LED Cathode
|
| 11
|
Power Switch
|
|
12
|
NIC#1 Activity LED Anode
|
| 13
|
GND (Power Switch)
|
|
14
|
NIC#1 Activity LED Cathode
|
| 15
|
Reset Switch
|
|
16
|
I2C SDA
|
| 17
|
GND (Reset Switch)
|
|
18
|
I2C SCL
|
| 19
|
ACPI Sleep Switch
|
|
20
|
Chassis Intrusion
|
| 21
|
GND (ACPI Sleep Switch)
|
|
22
|
NIC#2 Activity LED Anode
|
| 23
|
NMI to CPU Switch
|
|
24
|
NIC#2 Activity LED Cathode
|
| 25
|
KEY
|
|
26
|
KEY
|
| 27
|
ID LED Anode
|
|
28
|
System Ready Anode
|
| 29
|
ID LED Cathode
|
|
30
|
System Ready Cathode
|
| 31
|
ID Switch
|
|
32
|
HDD Fault Anode
|
| 33
|
GND (ID Switch)
|
|
34
|
HDD Fault Cathode
|
|
This applies to:
| 
