Installing the motherboard, Connecting optional devices – Elitegroup C7VCM2 (V1.0) User Manual
Page 25
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19
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional devices:
IR1: Infrared header
COM2: Onboard serial port header
Connect a serial port extension bracket to this header to add a second serial port to your
system.
1
NDCDC/NDCDD Data Carrier Detect
2
NSINC/NSIND Serial Input
3
NSOUTC/NSOUTD
UART B Serial Output
4
NDTRC/NDTRD
UART B Data Terminal Ready
5
Ground
Ground
6
NDSRC/NDSRD Data Set Ready
7
NRTSC/NRTSD RART B Request to Send
8
NCTSC/NCTSD
Clear to Send
9
XNRI3/XNRI4 Ring Indicator
10
Key No pin
Not assigned
2
Key
No pin
Pin
Signal Name Function
3
+5V
IR Power
4
GND
Ground
1
Not Assigned
5
IR_TX IrDA serial output
6
IR_RX IrDA serial input
Pin Signal Name Function
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