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Installing the Motherboard

Connecting Optional Devices

Refer to the following for information on connecting the motherboard’s optional

devices:

F_AUDIO: Front Panel Audio header

This header allows the user to install auxiliary front-oriented microphone and line-

out ports for easier access.

Pin Signal Name Function

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

9 PORT 2L 10 SENSE2_RETURN

Pin Signal Name

SPDIFO: SPDIF out header

This is an optional header that provides an S/PDIF (Sony/Philips Digital Interface)

output to digital multimedia device through optical fiber or coaxial connector.

2 +5VA 5V analog Power

3 Key No pin

4 GND Ground

Pin Signal Name Function

1 SPDIF SPDIF digital output

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ECS A785GM-M5 Specifications

General

Number of memory slots	2
Maximum internal memory	8 GB
Processor socket	Socket AM3
Processor manufacturer	AMD
Power fan connector	Yes
Number of SATA connectors	6
USB 2.0 ports quantity	4
Ethernet LAN (RJ-45) ports	1
Firewire (IEEE 1394) ports	0
Audio chip	VIA VT1705
Power source type	ATX
Motherboard chipset	AMD 785G
Audio output channels	6.1 channels
Motherboard form factor	micro ATX
Graphics card	Radeon HD 4200
Maximum graphics card memory	512 MB
RAID levels	0, 1, 10