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Installing the Motherboard

Users please note that the fan connector supports the CPU cooling fan

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

CPU_FAN: CPU Cooling FAN Power Connector

1 GND System Ground

3 Sense Sensor

4 PWM PWM

Pin Signal Name Function

2 +12V Power +12V

ATX_POWER: ATX 24-pin Power Connector

Pin Signal Name Pin Signal Name

1 +3.3V 13 +3.3V

3 Ground 15 Ground

4 +5V 16 PS_ON

5 Ground 17 Ground

6 +5V 18 Ground

7 Ground 19 Ground

8 PWRGD 20 -5V

9 +5VSB 21 +5V

10 +12V 22 +5V

11 +12V 23 +5V

12 +3.3V 24 Ground

2 +3.3V 14 -12V

Pin Signal Name Function

1 GND System Ground

2 +12V Power +12V

3 Sense Sensor

SYS_FAN: System Cooling FAN Power Connector

The ATX12V4P power connector is used to provide power to the CPU.

When installing 4-pin power cable, the

latches of power cable and the ATX12V4P

match perfectly.

Connecting 4-pin power cable

4-pin power cable

Questions and Answers:

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ECS H55H-M Specifications

General

Number of memory slots	2
Maximum internal memory	8 GB
Processor socket	LGA 1156 (Socket H)
Processor manufacturer	Intel
S/PDIF out connector	Yes
Number of SATA connectors	6
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.
Ethernet LAN (RJ-45) ports	1
Firewire (IEEE 1394) ports	0
Audio chip	VIA VT1705
Power source type	ATX
Audio output channels	5.1 channels
Motherboard form factor	micro ATX
LAN controller	Atheros AR8131M
Networking features	Gigabit Ethernet
ACPI version	3.0
BIOS memory size	16 Mbit