L4IBMG2 / L4IBMGL2 V1.0b
23
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
DCDB
Data Carrier Detect
2
SINB
Serial Input
3
SOUTB
UART B Serial Output
4
DTRB
UART B Data Terminal Ready
5
GND
Ground
6
DSRB
Data Set Ready
7
RTSB
UART B Request to Send
8
CTSB
Clear to Send
9
RI
Ring Indicator
10
NC
No pin
WOL1: Wake On LAN
If you have installed a LAN card, use the cable provided with the card to plug
into the mainboard WOL1 connector. This enables the Wake On LAN (WOL)
feature. When your system is in a power-saving mode, any LAN signal auto-
matically resumes the system. You must enable this item using the Power
Management page of the Setup Uti lity.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2
GND
Ground
3
Ring#
Wake up signal (high active)
WOM1: Wake On Modem
If you have installed a modem, use the cable provided with the modem to plug
into the mainboard 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. See Chapter 3 for more info r-
mation.
Pin
Signal Name
Function
1
5VSB
+5V stand by power
2
GND
Ground
3
Ring#
Wake up signal (low active)