Mainboard User’s Manual
18
channel connector
IDE2
on the mainboard. If you have two
devices on the cable, one must be Master and one must be Slave.
Internal Sound Connections
If you have installed a CD-ROM drive or DVD-ROM drive, you
can connect the drive audio cable to the onboard sound system.
On the mainboard, locate the two 4-pin connectors
CD1
and
CD2
.
There are two kinds of connector because different brands of CD-
ROM drive have different kinds of audio cable connectors.
Connect the cable to the appropriate connector.
Infrared Port
You can connect an infrared port to the mainboard. You can
purchase this option from third-party vendors.
1. Locate the infrared port
IR1
header on the mainboard.
2. If you are adding an infrared port, connect the ribbon cable
from the port to the IR1 header and then secure the port to an
appropriate place in your system chassis.
Onboard LAN LED Connections
If you have a set indicator LEDs for the onboard LAN
communication, you can connect the LED cable to the header
J15
.
Pins 1-2 are for Link LED. Pins 3-4 are for 10/100 Mbps mode
LED, the onboard LAN run in 100 Mbps mode when the LED lit.
CD1
CD2
1
IR1
FIR 1
+5V 3
IRTX 5
2 Key
4 GND
6 IRRX
J15
1
+
+
