
24
COM2: Onboard serial port connector
Connect a serial port extension bracket to this header to add a second serial
port to your system.
Pin
Signal Name
Function
1
NDCDB
Data carry detect
2 NSINB
Serial
Data
In
3 NSOUTB
Serial
Date
Out
4
NDTRB
Data terminal ready
5 GND
Ground
6
NDSRB
Date set ready
7 NRTSB
Request
to
send
8
NCTSB
Clear to send
9 NRIB
Ring
Indicator
10 Key
Key
WOL1: Wake On LAN
If you have installed a LAN card, use the cable provided with the card to plug
into the motherboard WOL1 connector. This enables the Wake On LAN
(WOL) feature. When your system is in a power-saving mode, any LAN signal
automatically resumes the system. You must enable this item using the Power
Management page of the Setup Utility.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2 GND
Ground
3
Ring#
Wake up signal (low active)
WOM1: Wake On Modem
If you have installed a modem, use the cable provided with the modem to plug
into the motherboard WOM1 connector. This enables the Wake On Modem
(WOM1 feature. When your system is in a power-saving mode, any modem
signal automatically resumes the system. You must enable this item using the
Power Management page of the Setup Utility.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2 GND
Ground
3
Ring#
Wake up signal (low active)