ECS G31T-M Manual&Nbsp;

21
Installing the Motherboard
Connecting Optional Devices
Refer to the following for information on connecting the motherboard’s optional
devices:
F_AUDIO1: Front Panel Audio header for Azalia (optional)
This header allows the user to install auxiliary front-oriented microphone and line-
out ports for easier access.
Pin Signal Name
Pin Signal Name Function
1 AUD_MIC Front Panel Microphone input signal
2 AUD_GND Ground used by Analog Audio Circuits
3 MIC_BIAS Microphone Power
4 AUD_VCC Filtered +5V used by Analog Audio Circuits
5 AUD_F_R Right Channel audio signal to Front Panel
6 AUD_RET_R Right Channel Audio signal to Return from Front Panel
7 REVD Reserved
8 Key No Pin
9 AUD_F_L Left Channel Audio signal to Front Panel
10 AUD_RET_L Left Channel Audio signal to Return from Front Panel
1 PORT 1L 2 AUD_GND
3 PORT 1R 4 PRESENCE#
5 PORT 2R 6 SENSE1_RETURN
7 SENSE_SEND 8 KEY
Pin Signal Name
Pin Signal Name
9 PORT 2L 10 SENSE2_RETURN

ECS G31T-M Specifications

General

Number of memory slots	2
Maximum internal memory	4 GB
Processor socket	LGA 775 (Socket T)
Processor manufacturer	Intel
USB 2.0 ports quantity	4
Ethernet LAN (RJ-45) ports	1
Firewire (IEEE 1394) ports	0
Audio chip	Realtek ALC662
Power source type	ATX
Audio output channels	5.1 channels
Motherboard form factor	micro ATX
S/PDIF out connector	Yes
Graphics card	GMA 3100
Maximum graphics card memory	384 MB
LAN controller	Realtek RTL8101E
Networking features	Fast Ethernet
ACPI version	1.0
BIOS memory size	64 Mbit

Weight and Dimensions

Depth	200 mm
Width	244 mm