10) F_PANEL1 (Front Panel Header)
Connect the power switch, reset switch, 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.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Hardware Installation
Signal Name
Definition
PWLED+
Power LED Signal anode (+)
5VSB
5V Stanndby Power
NC
No Pin
ID_LED+
ID LED Signal anode (+)
PWLED-
Power LED Signal cathode(-)
ID_LED-
ID LED Signal cathode(-)
HD+
Hard Disk LED Signal anode (+)
F_SYSRDY
System Front board LED Signal
HD-
Hard Disk LED Signal cathode(-)
SYS_STATUS-
System Status LED Signal cathode(-)
PWB+
Power Button Signal anode (+)
L1_ACT
LAN1 active LED Signal
PWB+_GND
Ground
L1_LINK-
LAN1 Link LED Signal cathode(-)
RST_BTN+
Reset button Signal anode (+)
SENSOR_SDA
SMBus Data Signal
RST_BTN_GND
Ground
SENSOR_SCL
SMBus Clock Signal
ID_SW+
ID Switch Signal anode (+)
CASE_OPEN-
Chassis intrusion Signal cathode(-)
ID_SW (GND)
Ground
L2_ACT
LAN2 active LED Signal
NMI_SW-
NMI switch Signal cathode(-)
L2_LINK-
LAN2 Link LED Signal cathode(-)
- 22 -
1 2
12 24
The front panel design may differ by chassis.
A front panel module mainly consists of power
switch, reset switch, power LED, hard drive ac-
tivity 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.