ASROCK H81M-G User Manual

Version 1.0
Published December 2014
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(1) this device may not cause harmful interference, and
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CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
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ASROCK H81M-G Specifications

General

Form Factor	Micro ATX
CPU Socket Type	LGA 1150
Chipset	Intel H81
Maximum Memory	16 GB
SATA 6Gb/s	2
Memory Slots	2 x DIMM
Memory Type	DDR3
Expansion Slots	1 x PCI-E 2.0 x16, 1 x PCI-E 2.0 x1
SATA 3Gb/s	2
USB 3.0	2
USB 2.0	8 x USB 2.0 (4 at back panel, 4 at mid-board)
Audio	Realtek ALC662
LAN	Realtek RTL8111G
Video Outputs	VGA, DVI-D, HDMI
RAID Support	RAID 0, RAID 1

Summary

Motherboard Layout and Components

Fan and Cooling Connectors

Locates all CPU and chassis fan connectors for system cooling.

Memory Slots

Details the DDR3 DIMM slots for RAM installation.

I/O Panel Overview

Video Outputs

1.2 Specifications

CPU and Memory Support

Lists supported Intel CPUs, memory types, slots, and capacity.

Expansion Slots

Graphics Capabilities

Audio and LAN Features

Rear Panel I/O and Storage

Chapter 2: Installation

Pre-installation Precautions

Lists essential safety steps before installing components or changing settings.

2.1 Installing the CPU

CPU Socket Check

Ensures CPU socket is clean and pins are not bent before insertion.

Power Disconnection

Instructs to unplug all power cables before installing the CPU.

2.2 Installing the CPU Fan and Heatsink

Fan and Heatsink Mounting

Details how to mount the heatsink and fan onto the CPU socket.

Fan Connector

Shows how to connect the CPU fan to the motherboard header.

2.3 Installing Memory Modules (DIMM)

Dual Channel Configuration

Explains requirements for identical DIMM pairs for dual channel.

DIMM Orientation and Safety

Warns about correct DIMM orientation to prevent damage.

2.4 Expansion Slots (PCI Express Slots)

PCIe Slot Identification

Identifies PCIE1 (x16) and PCIE2-4 (x1) slots.

Installation Recommendations

2.5 Jumpers Setup

Clear CMOS Jumper

Explains how to clear CMOS settings and reset BIOS parameters.

USB Power Jumper

2.6 Onboard Headers and Connectors

System Panel Header Functionality

Details pins for power switch, reset, and status LEDs.

Serial ATA and USB Headers

Chassis Speaker and Fan Connectors

Power and Serial Port Connectors