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Asus H81M-K User Manual

Asus H81M-K
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Motherboard
H81M-K
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Asus H81M-K Specifications

General IconGeneral
Non-ECCYes
Flash memory64 MB
Memory channelsDual-channel
Memory slots typeDIMM
Supported memory typesDDR3-SDRAM
Maximum internal memory16 GB
Supported memory clock speeds1066, 1333, 1600 MHz
Processor socketLGA 1150 (Socket H3)
Processor manufacturerIntel
Compatible processor seriesIntel Celeron, Intel Pentium
USB 2.0 connectors4
Number of EATX power connectors1
USB 3.2 Gen 1 (3.1 Gen 1) connectors0
Supported storage drive interfacesSATA
USB 2.0 ports quantity2
LAN controllerRealtek 8111G
Ethernet interface typeGigabit Ethernet
Audio chipRealtek ALC887
Component forPC
Power source typeATX
Motherboard chipsetIntelĀ® H81
Audio output channels7.1 channels
Motherboard form factormicro ATX
Maximum resolution1920 x 1200 pixels
Maximum graphics card memory1024 MB
Parallel processing technology supportNot supported
BIOS typeUEFI AMI
Weight and Dimensions IconWeight and Dimensions
Depth175 mm
Width226 mm

Summary

Safety Information

Electrical Safety

Precautions for preventing electrical hazards during system handling.

Operation Safety

Guidelines for safe installation and handling of components.

About This Guide

How This Guide Is Organized

Explains the structure of the user guide, detailing its chapters.

Package Contents

Motherboard Components

Lists items included in the motherboard package.

H81M-K Specifications Summary

CPU and Chipset Details

Details on CPU socket, processors, and chipset.

Memory and Graphics Specifications

Specifications for RAM support and integrated graphics.

Expansion Slots and Storage

Information on expansion slots and storage connectors.

Audio and USB Features

Details on onboard audio and USB ports.

ASUS Unique Features and Solutions

Lists exclusive ASUS software, thermal, and design features.

I/O Ports

Lists back panel and internal I/O connectors.

BIOS and OS Support

Overview of BIOS features and supported operating systems.

Manageability and Form Factor

Details on manageability features and motherboard dimensions.

Product Introduction

Before You Proceed

Important precautions before installing components or changing settings.

Motherboard Overview

General introduction to the motherboard layout and chassis fit.

Screw Holes

Guidance on securing the motherboard to the chassis.

Motherboard Layout

Diagram and labeling of motherboard components and connectors.

Layout Contents

Detailed list of connectors, jumpers, slots, and LEDs.

Central Processing Unit (CPU)

Information about the LGA1150 socket and supported Intel processors.

Installing the CPU

Step-by-step instructions for installing the CPU.

CPU Heatsink and Fan Assembly Installation

Guide for installing the CPU cooler and fan.

System Memory

Information about installing and configuring RAM.

Memory Configurations

Guidelines for installing different memory module sizes and types.

Installing a DIMM

Step-by-step instructions for inserting RAM modules.

Removing a DIMM

Instructions on how to safely remove RAM modules.

Expansion Slots

Information on installing expansion cards.

Installing an Expansion Card

Steps for physically installing an expansion card.

Configuring an Expansion Card

Steps for software configuration after installation.

PCI Express Slots

Details on PCI Express x1 and x16 slots.

Jumpers

Explains the function and configuration of motherboard jumpers.

Clear RTC RAM

How to clear CMOS settings using the CLRTC jumper.

Connectors

Overview of various motherboard connectors.

Rear Panel Connectors

Details and diagrams of rear panel ports.

Internal Connectors

Details and diagrams of internal headers and connectors.

Onboard LEDs

Information about the standby power LED.

Software Support

Information on installing operating systems and using the support DVD.

Installing an Operating System

Guidance on OS installation and updates.

Support DVD Information

Overview of the contents and usage of the support DVD.

BIOS Information

Managing and Updating Your BIOS

How to manage and update the motherboard's BIOS.

EZ Update Utility

Using ASUS EZ Update utility for BIOS and driver updates.

ASUS EZ Flash 2

Instructions for updating BIOS using EZ Flash 2 utility.

ASUS CrashFree BIOS 3 Utility

Using CrashFree BIOS 3 for BIOS recovery.

ASUS BIOS Updater

How to update BIOS using the DOS-based updater.

BIOS Setup Program

How to enter and navigate the BIOS setup program.

BIOS Menu Screen

Overview of EZ Mode and Advanced Mode in BIOS.

EZ Mode

Description of the BIOS EZ Mode interface and functions.

Advanced Mode

Overview of the BIOS Advanced Mode interface.

Menu Bar

Explanation of the BIOS menu bar items and their functions.

Main Menu

System Settings

Configure system language, date, time, and access level.

Ai Tweaker Menu

Overclocking and Performance Settings

Adjust CPU core ratio, timings, and power settings.

ASUS MultiCore Enhancement

Settings for multi-core CPU performance enhancement.

CPU Core Ratio and DRAM Timing

Adjusting CPU core multiplier and memory timings.

CPU Power Management

Configuring CPU power states and settings.

Advanced Menu

CPU and PCH Configuration

Settings for CPU features and Platform Controller Hub.

SATA, System Agent, and USB Configuration

Settings for storage, system agent, and USB devices.

Platform Misc and Onboard Device Configuration

Miscellaneous platform settings and onboard device configurations.

Monitor Menu

System Temperature and Fan Settings

Displays CPU temp, fan speeds, and allows fan control.

Anti Surge Support

Enables or disables surge protection.

Boot Menu

Boot Configuration Options

Settings for boot order and behavior.

Boot Option Priorities

Sets the order of boot devices.

Tools Menu

BIOS Update and Profile Management

Utilities for BIOS updates and overclocking profile management.

Exit Menu

Saving and Loading BIOS Settings

Options to load defaults, save, or discard changes.

Appendices

Notices and Compliance

Regulatory notices and compliance statements.

FCC Statement

FCC compliance information for Class B digital devices.

Canadian Compliance Statement

Canadian compliance statement for Class B digital apparatus.

Japanese, Korean, and REACH Compliance

Compliance statements for Japan, Korea, and REACH regulations.

ASUS Recycling and Takeback Services

Information on product recycling and takeback programs.

ASUS Contact Information

ASUSTeK Computer Inc.

Contact details for ASUS headquarters.

ASUS America Contact

Contact details for ASUS America.

ASUS Europe Contact

Contact details for ASUS Europe.

Declaration of Conformity

FCC Part 2 Declaration

Declaration related to FCC Part 2 regulations.

EC Declaration of Conformity

European conformity declaration for the product.

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