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10) COM1 (Serial Port Cable Connector)
The COM header can provide one serial port via an optional COM port cable. For purchasing the optional
COM port cable, please contact the local dealer.
11) FP_1 (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.
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 etc. When connecting your chassis front
panel module to this header, make sure the wire assignments and the pin assignments are matched
correctly.
Pin No. Definition
1
Power LED+
3
No Pin
5
Power LED-
7*
HDD LED+
9*
HDD LED-
11
Power Button
13
GND
15
Reset Button
17
GND
19
ID Button
21
GND
23
NMI Switch
*Note: Pin 7 & Pin 9 are reserved for Gigabyte systems.
Hardware Installation
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Pin No. Definition
1
2
1
2
3
4
5
6
7
9
10
8
9
10
1
2
23
24
Pin No. Definition
2
5V Standby
4
ID LED+
6
ID LED-
8
System Status LED+
10
System Status LED-
12
NC
14
NC
16
SMBus Data
18
SMBus Clock
20
Case Open
22
NC
24
NC
NDCD-
NSIN
NSOUT
NDTR-
GND
NDSR-
NRTS-
NCTS-
NRI-
No Pin
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