Hardware Reference
30
Audio
The Q35 motherboards support:
Intel High Definition Audio using the Realtek ALC883 eight-channel stereo CODEC
Triple 3.5mm audio jacks on the rear I/O panel for surround sound.
One 1x4-pin CD-ROM header to support onboard sound for audio CD playback
Note: An onboard PC speaker is not provided, but it is recommended that you connect an
external speaker to the front panel I/O header to hear the beep signals.
Network
The PL35Q motherboard has a single Gigabit Ethernet controller.
Ethernet port 0 uses the Intel 82566DM PHY controller, which connects to the ICH9/ICH9DO
LAN (the MAC integrated on the ICH9/ICH9DO chipset) through a dedicated interconnect.
Ethernet features include:
Standard IEEE 802.3 Ethernet interface for 10BASE-T, 100BASE-TX, and 1000BASE-T
applications (802.3, 802.3u, and 802.3ab)
Remote boot and PXE via BIOS configuration
Wake-On-LAN support via BIOS configuration with the option to use the native operating
system, as well as support for legacy operating systems
Onboard RJ45 connector with 2 integrated programmable LEDs showing link speed and
speed.
Table 21. Ethernet LEDs
LED color LED state Ethernet link and activity
Green/Amber Off 10Mbps link speed
Green steady on 100Mbps link speed
Amber steady on 1000Mbps link speed
Yellow Off No link established
Yellow steady on Link established; communication activity not detected
Yellow blinking Link established; communication activity detected
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