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Installing the Motherboard

When installing 4-pin power cable, the latch

falls on the left side of the ATX12V

connector.

4-pin power cable

Users please note that the fan connector supports the CPU cooling

fan of 1.1A~2.2A (26.4W max.) at +12V.

1 GND System Ground

2 +12V Power +12V

3 Sense Sensor

4 PWM CPU FAN control

Function

Pin Signal Name

CPU_FAN: FAN Power Connector

When installing 8-pin power cable, the latches

of power cable and the ATX12V match per-

fectly.

Connecting 8/4-pin power cable

Users please note that the 8-pin and 4-pin power cables can both be con-

nected to the ATX12V connector.

8-pin power cable

SYS_FAN: FAN Power Connector

Pin Signal Name Function

1 GND Ground

2 +12V +12V Power

3 Sense Sensor

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ECS A785GM-M Specifications

General

Number of memory slots	4
Maximum internal memory	32 GB
Processor socket	Socket AM3
Processor manufacturer	AMD
USB 2.0 connectors	3
Power fan connector	Yes
Number of COM connectors	1
Number of SATA connectors	6
Controller interface type	AMD SB710
PS/2 ports quantity	0
eSATA ports quantity	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio chip	Realtek ALC888S
Power source type	ATX
Motherboard chipset	AMD 785G
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
BIOS type	AMI
RAID levels	0, 1
LAN controller	RealTek RTL8111D(L)