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- 27 - Hardware Installation
The front panel design may differ by chassis. A front panel module mainly consists of power switch,
reset switch, power LED, hard drive activity LED, speaker and etc. When connecting your chassis
front panel module to this header, make sure the wire assignments and the pin assignments are
matched correctly.
1 2
23 24
16) F_Panel1 (Front Panel Header)
Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status
indicator on the chassis to this header according to the pin assignments below. Note the positive and
negative pins before connecting the cables.
  
1 PWR_LED+ Power LED Anode
2 5VSB Front Panel Power
3 KEY Key
4 ID_LED+ System ID LED Anode
5 PWR_LED- Power LED Cathode
6 ID_LED- System ID LED Cathode
7 HDD_LED+ HDD Activity LED Anode
8 SYS_STATUS+ System Fault LED Anode
9 HDD_LED- HDD Activity LED Cathode
10 SYS_STATUS- System Fault LED Cathode
11 PWR_BTN Power Switch
12 LAN1_LED+ NIC#1 Activity LED Anode
13 PWR_BTN (GND) Power Switch (GND)
14 LAN1_LED- NIC#1 Activity LED Cathode
15 RST_BTN Reset Switch
16 SDA SMBus SDA
17 RST_BTN (GND) Reset Switch (GND)
18 SCL SMBus SCL
19 ID_BTN System ID Switch
20 CASE_OPEN Chassis Intrusion
21 ID_BTN (GND) System ID Switch (GND)
22 LAN2_LED+ NIC#2 Activity LED Anode
23 NMI_BTN NMI to CPU Switch
24 LAN2_LED- NIC#2 Activity LED Cathode
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