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11) 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.
1
2
23
24
Pin No. Signal Name Denition
1 PWLED+ Power LED Signal anode (+)
2 5VSB 5V Stanndby Power
3 NC No Pin
4 ID_LED+ ID LED Signal anode (+)
5 PWLED- Power LED Signal cathode(-)
6 ID_LED- ID LED Signal cathode(-)
7 HD+ Hard Disk LED Signal anode (+)
8 F_SYSRDY System Front board LED Signal
9 HD- Hard Disk LED Signal cathode(-)
10 SYS_STATUS- System Status LED Signal cathode(-)
11 PWB+ Power Button Signal anode (+)
12 L1_ACT LAN1 active LED Signal
13 PWB+_GND Ground
14 L1_LINK- LAN1 Link LED Signal cathode(-)
15 RST_BTN+ Reset button Signal anode (+)
16 SENSOR_SDA SMBus Data Signal
17 RST_BTN_GND Ground
18 SENSOR_SCL SMBus Clock Signal
19 ID_SW+ ID Switch Signal anode (+)
20 CASE_OPEN- Chassis intrusion Signal cathode(-)
21 ID_SW (GND) Ground
22 L2_ACT LAN2 active LED Signal
23 NMI_SW- NMI switch Signal cathode(-)
24 L2_LINK- LAN2 Link LED Signal cathode(-)
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.
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