H81M-K
Motherboard
E8601
First Edition
August 2013
Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing byASUS; or (2) the serial number of the product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
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Offer to Provide Source Code of Certain Software
This product contains copyrighted software that is licensed under the General Public License (“GPL”), under the Lesser General Public License Version (“LGPL”) and/or other Free Open Source Software Licenses. Such software in this product is distributed without any warranty to the extent permitted by the applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data, you may obtain it for a period of three years after our last shipment of the product, either
(1)for free by downloading it from http://support.asus.com/download
or
(2)for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location where you want to have it shipped to, by sending a request to:
ASUSTeK Computer Inc.
Legal Compliance Dept.
15 Li Te Rd.,
Beitou, Taipei 112
Taiwan
In your request please provide the name, model number and version, as stated in the About Box of the product for which you wish to obtain the corresponding source code and your contact details so that we can coordinate the terms and cost of shipment with you.
The source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as the corresponding binary/object code.
This offer is valid to anyone in receipt of this information.
ASUSTeK is eager to duly provide complete source code as required under various Free Open Source Software licenses. If however you encounter any problems in obtaining the full corresponding source code we would be much obliged if you give us a notification to the email address gpl@asus.com, stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).
ii
Contents
Safety information...................................................................................................... |
iv |
About this guide.......................................................................................................... |
iv |
Package contents....................................................................................................... |
vi |
H81M-K specifications summary............................................................................... |
vi |
Product introduction
1.1 |
Before you proceed...................................................................................... |
1-1 |
1.2 |
Motherboard overview.................................................................................. |
1-1 |
1.3 |
Central Processing Unit (CPU).................................................................... |
1-4 |
1.4 |
System memory............................................................................................ |
1-7 |
1.5 |
Expansion slots............................................................................................. |
1-9 |
1.6 |
Jumpers....................................................................................................... |
1-11 |
1.7 |
Connectors.................................................................................................. |
1-13 |
1.8 |
Onboard LEDs............................................................................................. |
1-20 |
1.9 |
Software support......................................................................................... |
1-21 |
BIOS information
2.1 |
Managing and updating your BIOS............................................................. |
2-1 |
2.2 |
BIOS setup program..................................................................................... |
2-5 |
2.3 |
Main menu..................................................................................................... |
2-9 |
2.4 |
Ai Tweaker menu........................................................................................... |
2-9 |
2.5 |
Advanced menu.......................................................................................... |
2-11 |
2.6 |
Monitor menu.............................................................................................. |
2-12 |
2.7 |
Boot menu................................................................................................... |
2-13 |
2.8 |
Tools menu.................................................................................................. |
2-14 |
2.9 |
Exit menu..................................................................................................... |
2-14 |
Appendices
Notices...................................................................................................................... |
A-1 |
ASUS contact information...................................................................................... |
A-3 |
iii
Safety information
Electrical safety
•To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system.
•When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
•Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged.
•Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit.
•Ensure that your power supply is set to the correct voltage in your area. If you are not sure about the voltage of the electrical outlet you are using, contact your local power company.
•If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your retailer.
Operation safety
•Before installing the motherboard and adding devices on it, carefully read all the manuals that came with the package.
•Before using the product, ensure all cables are correctly connected and the power cables are not damaged. If you detect any damage, contact your dealer immediately.
•To avoid short circuits, keep paper clips, screws, and staples away from connectors, slots, sockets and circuitry.
•Avoid dust, humidity, and temperature extremes. Do not place the product in any area where it may become wet.
•Place the product on a stable surface.
•If you encounter technical problems with the product, contact a qualified service technician or your retailer.
About this guide
This user guide contains the information you need when installing and configuring the motherboard.
How this guide is organized
This guide contains the following parts:
•Chapter 1: Product introduction
This chapter describes the features of the motherboard and the new technology it supports.
•Chapter 2: BIOS information
This chapter tells how to change system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
iv
Where to find more information
Refer to the following sources for additional information and for product and software updates.
1.ASUS websites
The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information.
2.Optional documentation
Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard package.
Conventions used in this guide
To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual.
DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task.
CAUTION: Information to prevent damage to the components when trying to complete a task
IMPORTANT: Instructions that you MUST follow to complete a task..
NOTE: Tips and additional information to help you complete a task.
Typography
Bold text |
Indicates a menu or an item to select. |
Italics |
Used to emphasize a word or a phrase. |
<Key> |
Keys enclosed in the less-than and greater-than sign |
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means that you must press the enclosed key. |
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Example: <Enter> means that you must press the Enter or |
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Return key. |
<Key1> + <Key2> + <Key3> |
If you must press two or more keys simultaneously, the key |
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names are linked with a plus sign (+). |
Package contents
Check your motherboard package for the following items.
Motherboard |
ASUS H81M-K motherboard |
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Cables |
2 x Serial ATA 6.0 Gb/s cables |
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Accessories |
1 x I/O Shield |
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Application DVD |
Support DVD |
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Documentation |
User Guide |
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If any of the above items is damaged or missing, contact your retailer.
H81M-K specifications summary
CPU
Chipset
Memory
Graphics
Expansion slots
Storage
LGA1150 socket for Intel® 4th Generation CoreTM i7/ i5 / i3, Pentium® and Celeron® Processors
Supports 22nm CPU
Supports Intel® Turbo Boost Technology 2.0*
*Intel® Turbo Boost Technology 2.0 support depends on the CPU types.
**Refer to www.asus.com for Intel® CPU support list.
Intel® H81 Express Chipset
2 x DIMMs, max. 16GB DDR3 1600/1333/1066MHz, non-ECC, unbuffered memory modules
Dual-channel memory architecture
Supports Intel® Extreme Memory Profile (XMP)
*Hyper DIMM support is subject to the physical characteristics of individual CPUs. Please refer to Memory QVL for details.
**Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List).
***Due to Intel® chipset limitations, DDR3 1600MHz and higher memory modules on XMP mode will run at the maximum transfer rate of DDR3 1600MHz.
Integrated Graphics Processor - Intel® HD Graphics support Multi-VGA output support: DVI-D, RGB port
-Supports DVI-D with max. resolution up to 1920 x1200@60Hz
-Supports RGB with max. resolution 1920x1200@60Hz
-Maximum shared memory of 1024MB
1 x PCI Express x16 slot (at x16 mode, yellow) 2 x PCI Express x1 slots
Intel® H81 Express Chipset:
-2 x Serial ATA 6.0 Gb/s connectors (yellow)
-2 x Serial ATA 3.0 Gb/s connectors (dark brown)
-Supports Intel® Rapid Start Technology* and Intel® Smart Connect Technology**
*Due to the limitation of the Intel® H81 chipset, Intel® Rapid Start Technology can be configured only from the BIOS Setup program.
**These functions will work depending on the CPU installed.
(continued on the next page)
vi
H81M-K specifications summary
LAN |
Realtek® RTL8111G Gigabit LAN Controller |
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Audio |
Realtek® ALC887 8-Channel High DefinitionAudio CODEC |
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- Supports Jack-Detection and Front Panel Jack-Retasking |
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USB
ASUS unique features
Back Panel I/O ports
Internal
I/O connectors/ buttons/switches
*Use a chassis with HD audio module in the front panel to support an 8-channel audio output
Intel® H81 Express Chipset
-2 x USB 3.0/2.0 ports at rear panel (blue)*
-6 x USB 2.0/1.1 ports (4 ports at mid-board, 2 ports at the rear panel)
*Supports ASUS USB 3.0 Boost
ASUS Exclusive Features:
-ASUS EPU
-ASUS UEFI BIOS EZ Mode featuring a friendly graphical user interface
-ASUS USB 3.0 Boost
-ASUS AI Charger
-ASUS GPU Boost
-ASUS AI Suite 3
-ASUS Anti-surge Protection
-ASUS ESD
ASUS Quiet Thermal Solution
-ASUS Fanless Design: Stylish Heatsink solution
-ASUS Fan Xpert
ASUS Q-Design
- ASUS Q-Slot
ASUS EZ DIY:
-ASUS CrashFree BIOS 3
-ASUS EZ Flash 2
1 x PS/2 keyboard port (purple)
1 x PS/2 mouse port (green)
2 x USB 3.0/2.0 ports
2 x USB 2.0/1.1 ports
1 x DVI port
1 x D-Sub port
1 x LAN (RJ-45) port
3 x Audio jacks support 8-channel audio output
2 x USB 2.0/1.1 connectors support additional 4 USB 2.0/1.1 ports 2 x SATA 6.0Gb/s connectors
2 x SATA 3.0Gb/s connectors
1 x CPU fan connector
1 x Chassis fan connector
1 x Front panel audio connector
1 x S/PDIF Out connector
1 x 24-pin EATX power connector
1 x 4-pin EATX 12V power connector
1 x Speaker connector
1 x System panel connector
1 x CLRTC jumper
(continued on the next page)
vii
H81M-K specifications summary
BIOS features
Manageability
Support DVD
Operating System Support
Form factor
64 Mb Flash ROM, UEFI AMI BIOS, PnP, DMI2.0, WfM 2.0, SM BIOS 2.7, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree
BIOS 3, My Favorites, Quick Note, Last Modified Log, F12 PrintScreen, F3
Shortcut functions and ASUS DRAM SPD (Serial Presence Detect) memory information
WfM 2.0, DMI 2.0, WOL by PME, PXE
Drivers
ASUS utilities
EZ Update
Anti-virus software (OEM version)
Windows® 8
Windows® 7
uATX form factor: 8.9 in x 6.9 in (22.6 cm x 17.5 cm)
Specifications are subject to change without notice.
viii
Product introduction |
1 |
1.1Before you proceed
Take note of the following precautions before you install motherboard components or change any motherboard settings.
• Unplug the power cord from the wall socket before touching any component.
• Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity.
•Hold components by the edges to avoid touching the ICs on them.
•Whenever you uninstall any component, place it on a grounded antistatic pad or in the bag that came with the component.
•Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, or components.
1.2Motherboard overview
Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it.
Ensure that you unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components.
1.2.1Placement direction
When installing the motherboard, ensure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.
ASUS H81M-K |
1-1 |
1.2.2Screw holes
Place six screws into the holes indicated by circles to secure the motherboard to the chassis.
Do not overtighten the screws! Doing so can damage the motherboard.
Place this side towards |
the rear of the chassis |
H81M-K
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1-2 |
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Chapter 1: Product introduction |
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1.2.3Motherboard layout
1 |
2 |
3 |
4 |
3 |
5 |
KBMS
DVI
VGA
USB3_12
LAN_USB34
PS2_USBPW1-4
17.5cm(6.9in)
ASP
ATX12V 1225
LGA1150
CHA_FAN
CPU_FAN 
DDR3 DIMM A1 (64bit, 240-pin module) DDR3 DIMM B1 (64bit, 240-pin module) |
EATXPWR |
22.6cm(8.9in) |
2
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BATTERY |
AUDIO |
H81M-K |
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PCIEX16 |
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RTL |
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8111G |
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PCIEX1_1 |
Super |
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I/O |
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SB_PWR |
ALC |
PCIEX1_2 |
887VD2 |
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CLRTC |
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SPDIF_OUT |
AAFP |
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64Mb |
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BIOS |
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Intel® |
6 |
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SPEAKER |
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H81 |
7 |
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F_PANEL |
USBPW5-10 |
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USB56 |
SATA3G_1 SATA3G_2 |
SATA6G_1 SATA6G_2 |
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USB78
15 |
14 |
13 |
12 11 |
10 |
9 |
8 |
ASUS H81M-K |
1-3 |
1.2.4Layout contents
Connectors/Jumpers/Slots/LED |
Page |
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1. |
Keyboard and USB device wakeup (3-pin PS2_USBPW1~4) |
1-12 |
2. |
ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) |
1-17 |
3. |
CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) |
1-16 |
4. |
Intel® LGA1150 CPU socket |
1-4 |
5. |
DDR3 DIMM slots |
1-7 |
6. |
Speaker connector (4-pin SPEAKER) |
1-17 |
7. |
System panel connector (10-1 pin F_PANEL) |
1-19 |
8. |
Intel® H81 Serial ATA 6.0Gb/s connector (7-pin SATA6G_1~2 [yellow]) |
1-18 |
9. |
Intel® H81 Serial ATA 3.0Gb/s connector (7-pin SATA3G_1~2 [dark brown]) |
1-18 |
10. |
USB 2.0 connectors (10-1 pin USB78, USB56) |
1-16 |
11. |
USB device wake-up (3-pin USBPW) |
1-12 |
12. |
Clear RTC RAM (3-pin CLRTC) |
1-11 |
13. |
Digital audio connector (4-1 pin SPDIF_OUT) |
1-15 |
14. |
Front panel audio connector (10-1 pin AAFP) |
1-15 |
15. |
Onboard LED (SB_PWR) |
1-20 |
1.3Central Processing Unit (CPU)
This motherboard comes with a surface mount LGA1150 socket designed for the Intel® 4th generation Core™ i7 / Core™ i5 / Core™ i3, Pentium® and Celeron® processors.
H81M-K
H81M-K CPU socket LGA1150
Unplug all power cables before installing the CPU.
•Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the socket contacts are not bent. Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related.
•Keep the cap after installing the motherboard. ASUS will process Return Merchandise
Authorization (RMA) requests only if the motherboard comes with the cap on the
LGA1150 socket.
•The product warranty does not cover damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP cap.
1-4 |
Chapter 1: Product introduction |
1.3.1Installing the CPU
1
A
B
2 |
3 |
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4 |
C |
5 |
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A |
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ASUS H81M-K |
1-5 |
1.3.2CPU heatsink and fan assembly installation
Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessary.
To install the CPU heatsink and fan assembly
1 |
A |
2 |
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B
B
A
3 |
4 |
1-6 |
Chapter 1: Product introduction |
To uninstall the CPU heatsink and fan assembly
1 |
2 |
A |
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B |
B |
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A |
1.4System memory
1.4.1Overview
This motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets. A DDR3 module is notched differently from a DDR or DDR2 module. DO NOT install a DDR or DDR2 memory module to the DDR3 slot.
According to Intel® CPU spec, DIMM voltage below 1.65V is recommended to protect the CPU.
DIMM_B1
DIMM_A1
H81M-K
Channel |
Sockets |
Channel A |
DIMM_A1 |
Channel B |
DIMM_B1 |
H81M-K 240-pin DDR3 DIMM sockets
1.4.2Memory configurations
You may install 1GB, 2GB, 4GB, and 8GB unbuffered non ECC DDR3 DIMMs into the DIMM sockets.
ASUS H81M-K |
1-7 |
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