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COM2: Onboard serial port header (optional)
Connect a serial port extension bracket to this header to add a second serial port to your
system.
Pin
Signal Name
1
NDCDB
2
NSINB
3
NSOUTB
4
NDTRB
5
GND
6
NDSRB
7
NRTSB
8
NCTSB
9
NRIB
10
KEY
WOL1: Wake On LAN connector (optonal)
If you have installed a LAN card, use the cable provided with the card to plug into the WOL
connector onboard. This enables the Wake On LAN (WOL1) 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 in the BIOS. See
Chapter 3 for more information.
Pin
Signal Name
1
A5VSB
2
GND
3
Ring#
IRDA: Infrared header
(optional)
The motherboard supports an Infrared (IRDA) data port. Infrared ports allow the wireless
exchange of information between your computer and similarly equipped devices such as
printers, laptops, Personal Digital Assistants (PDAs), and other computers.
Pin
Signal Name
1
VCC
2
Key
3
IRRX
4
GND
5
IRTX
Installing the Motherboard
Function
Data carry detect
Serial Data In
Serail Data Out
Data terminal ready
Ground
Date set ready
Request to send
Clear to send
Ring Indicator
Key
Function
+5V stand by power
Ground
wake up signal (low active)
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