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Table of Contents
Related Manuals for Asus H81M-K
Summary of Contents for Asus H81M-K
- Page 1 H81M-K...
- Page 2 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 by ASUS; or (2) the serial number of the product is defaced or missing.
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Page 3: Table Of Contents
Contents Safety information ...................... iv About this guide ......................iv Package contents ....................... vi H81M-K specifications summary ................vi Product introduction Before you proceed ..................1-1 Motherboard overview ................. 1-1 Central Processing Unit (CPU) ..............1-4 System memory .................... 1-7 Expansion slots .................... -
Page 4: Safety Information
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. -
Page 5: Conventions Used In This Guide
Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. -
Page 6: Package Contents
® * 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. -
Page 7: Asus Exclusive Features
* Supports ASUS USB 3.0 Boost ASUS Exclusive Features: ASUS unique 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... - Page 8 BIOS features 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...
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Page 9: Product Introduction
1.2.1 Placement 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... -
Page 10: Screw 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 Chapter 1: Product introduction... -
Page 11: Motherboard Layout
1.2.3 Motherboard layout 17.5cm(6.9in) CPU_FAN KBMS ATX12V 1225 USB3_12 LAN_USB34 CHA_FAN BATTERY AUDIO H81M-K PCIEX16 8111G 64Mb BIOS PCIEX1_1 Super Intel ® SPEAKER SB_PWR PCIEX1_2 F_PANEL 887- VD2 USB56 SATA3G_1 SATA3G_2 SATA6G_1 SATA6G_2 USB78 AAFP 13 12 ASUS H81M-K... -
Page 12: Central Processing Unit (Cpu)
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. - Page 13 1.3.1 Installing the CPU ASUS H81M-K...
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Page 14: Cpu Heatsink And Fan Assembly Installation
1.3.2 CPU 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 Chapter 1: Product introduction... -
Page 15: Memory Configurations
CPU spec, DIMM voltage below 1.65V is recommended to protect the ® CPU. Channel Sockets Channel A DIMM_A1 Channel B DIMM_B1 H81M-K H81M-K 240-pin DDR3 DIMM sockets 1.4.2 Memory configurations You may install 1GB, 2GB, 4GB, and 8GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. ASUS H81M-K... -
Page 16: Installing A Dimm
• The maximum 16GB memory capacity can be supported with 8GB or above DIMMs. ASUS will update the memory QVL once the DIMMs are available in the market. • The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard way of accessing information from a memory module. -
Page 17: Expansion Slots
In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components. ASUS H81M-K... -
Page 18: Installing An Expansion Card
1.5.1 Installing an expansion card To install an expansion card: Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card. Remove the system unit cover (if your motherboard is already installed in a chassis). Remove the bracket opposite the slot that you intend to use. -
Page 19: Clear Rtc Ram
H81M-K Normal Clear RTC (Default) H81M-K Clear RTC RAM To erase the RTC RAM: Turn OFF the computer and unplug the power cord. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2. -
Page 20: Usb Device Wake-Up
H81M-K +5VSB (Default) H81M-K Keyboard and USB device wake-up USB device wake-up (3-pin USBPW) Set this jumper to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB devices. -
Page 21: Connectors
8-channel configurations, the function of this port becomes Front Speaker Out. Microphone port (pink). This port connects a microphone. To configure an 8-channel audio output: Use a chassis with HD audio module in the front panel to support an 8-channel audio output. ASUS H81M-K 1-13... - Page 22 Audio 2.1, 4.1, 5.1 or 7.1-channel configuration Headset Port 4.1-channel 5.1-channel 7.1-channel 2.1-channel Light Blue Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out (Rear panel) Lime (Rear panel) Line Out Front Speaker Out Front Speaker Out Front Speaker Out Pink (Rear panel) Mic In Mic In...
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Page 23: Front Panel Audio Connector
H81M-K HD-audio-compliant Legacy AC’97 pin definition compliant definition H81M-K Front panel audio connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard’s high-definition audio capability. • If you want to connect a high-definition front panel audio module to this connector, set the Front Panel Type item in the BIOS setup to [HD]. -
Page 24: Usb 2.0 Connectors
The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power. Only the 4-pin CPU fan support the ASUS Fan Xpert feature. USB 2.0 connectors (10-1 pin USB78, USB56) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. -
Page 25: Atx Power/Speaker Connector
• If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details. Speaker connector (4-pin SPEAKER) The 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. - Page 26 These connectors connect to Serial ATA 3.0 Gb/s hard disk drives via Serial ATA 3.0 Gb/s signal cables. SATA3G_1 SATA3G_2 H81M-K H81M-K SATA 3.0Gb/s connectors When using hot-plug and NCQ, set the SATA Mode Selection item in the BIOS to [AHCI]. Intel H81 Serial ATA 6.0Gb/s connectors (7-pin SATA6G_1~2 [yellow]) ®...
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Page 27: System Panel Connector
PIN 1 H81M-K +HDD_LED RESET H81M-K System panel connector • System power LED (2-pin PWR_LED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. -
Page 28: Onboard Leds
ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. H81M-K SB_PWR H81M-K Onboard LED Chapter 1: Product introduction 1-20... -
Page 29: Software Support
Place the Support DVD into the optical drive. If Autorun is enabled in your computer, the DVD automatically displays the Specials screen which lists the unique features of your ASUS motherboard. Click Drivers, Utilities, AHCI Driver, Manual, Contact and Specials tabs to display their respective menus. - Page 30 Chapter 1: Product introduction 1-22...
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Page 31: Bios Information
Managing and updating your BIOS Save a copy of the original motherboard BIOS file to a USB flash disk in case you need to restore the BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. -
Page 32: Asus Ez Flash
2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com. To update the BIOS using EZ Flash 2: Insert the USB flash disk that contains the latest BIOS file to the USB port. -
Page 33: Asus Crashfree Bios 3 Utility
2.1.3 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the updated BIOS file. - Page 34 Insert the USB flash drive with the latest BIOS file and BIOS Updater to the USB port. Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu. Insert the support DVD into the optical drive and select the optical drive as the boot device.
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Page 35: Bios Setup Program
• Press the reset button on the system chassis. • Press the power button to turn the system off then back on. Do this option only if you failed to enter BIOS Setup using the first two options. ASUS H81M-K... -
Page 36: Bios Menu Screen
The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen. Visit the ASUS website at www.asus.com to download the latest BIOS file for this • motherboard. - Page 37 CPU/5V/3.3V/12V voltage output, the changes, saves the changes and resets CPU/chassis fan speed the system, or enters the Advanced Mode Power Selects the ASUS Optimal mode Loads optimized default Saving mode boot device priority Displays the system properties Selects the...
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Page 38: Advanced Mode
The Advanced Mode provides advanced options for experienced end-users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the following sections for the detailed configurations. To access the EZ Mode, click Exit, then select ASUS EZ Mode. Back button Menu items... -
Page 39: Main Menu
Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to malfunction. The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. ASUS H81M-K... - Page 40 Scroll down to display the following items: Chapter 2: Getting started 2-10...
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Page 41: Advanced Menu
The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. ASUS H81M-K 2-11... -
Page 42: Monitor Menu
Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. Scroll down to display the following items: Chapter 2: Getting started 2-12... -
Page 43: Boot Menu
Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: ASUS H81M-K 2-13... -
Page 44: Tools Menu
Tools menu The Tools menu items allow you to configure options for special functions. Select an item then press <Enter> to display the submenu. Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. -
Page 45: Appendices
Cet appareil est conforme aux normes CNR exemptes de licence d’Industrie Canada. Le fonctionnement est soumis aux deux conditions suivantes : (1) cet appareil ne doit pas provoquer d’interférences et (2) cet appareil doit accepter toute interférence, y compris celles susceptibles de provoquer un fonctionnement non souhaité de l’appareil. ASUS H81M-K... -
Page 46: Canadian Department Of Communications Statement
ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for you to be able to responsibly recycle our products, batteries, other components as well as the packaging materials. -
Page 47: Asus Contact Information
+1-812-282-3777 +1-510-608-4555 Web site usa.asus.com Technical Support Telephone +1-812-282-2787 Support fax +1-812-284-0883 Online support support.asus.com ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany +49-2102-959911 Web site www.asus.de Online contact www.asus.de/sales Technical Support Telephone +49-1805-010923* Support Fax... - Page 48 Appendices...