Instruction/ maintenance manual of the product H81M-C Asus
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Motherboard H81M-C H81M-C/CSM.
ii E8447 First Edition V1 July 2013 Copyright © 2013 ASUST eK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transm.
iii Contents Safety information ...................................................................................... iv About this guide ......................................................................................... iv Package contents ..
iv Safety information Electrical safety T o 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.
v Where to nd 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.
vi H81M-C specications summary (continued on the next page) CPU LGA1 150 socket for 4th Generation Intel ® Core TM i7/i5/i3, Pentium ® , Celeron ® Processors Supports Intel ® 22nm CPU Supports Intel ® T urbo Boost T echnology 2.0* * The Intel ® T urbo Boost T echnology 2.
vii H81M-C specications summary USB Intel ® H81 Express Chipset - 2 x USB 3.0/2.0 ports at back panel - 8 x USB2.0/1.1 ports (4 po rts at midb oard, 4 ports a t back pane l) ASUS unique features A.
viii H81M-C specications summary Internal connectors 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports 2 x SA T A 6.0 Gb/s connectors 2 x SA T A 3.
ASUS H81M-C 1-1 Product introduction 1 1.1 Before you proceed T ake 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.
1-2 Chapter 1: Product introduction H81M-C Place this side towards the rear of the chassis 1.2.3 Motherboard layout H81M-C PCIEX16_1 PCIEX1_1 PCIEX1_2 PCI1 RTL 8111G COM AAFP EATXPWR CPU_FAN BATTERY Super I/O ALC 887-VD2 ASM 1083 KBMS 8Mb BIOS SB_PWR CLRTC USBPW9-12 PS2_USBPW1-6 SPEAKER 17.
ASUS H81M-C 1-3 1.2.4 Layout contents Connectors/Jumpers/Slots/LED Page 1. PS2 and USB device wakeup (PS2_USBPW1~6) 1-1 1 2. A TX power connectors (24-pin A TXPWR, 4-pin A TX12V) 1-14 3. CPU and chassis fan connectors (4-pin CPU_F AN, 4-pin CHA_F AN) 1-16 4.
1-4 Chapter 1: Product introduction 1.3.1 Installing the CPU 1 2 3 A B Unplug all power cables before installing the CPU. • Ensure that you install the correct CPU designed for the LGA1 150 socket only . DO NOT install a CPU designed for LGA1 155 and LGA1 156 sockets on the LGA1 150 socket.
ASUS H81M-C 1-5 A B C 5 4 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 .
1-6 Chapter 1: Product introduction 3 4 A B B A T o uninstall the CPU heatsink and fan assembly 2 1 T o install the CPU heatsink and fan assembly 2 B A A B 1.
ASUS H81M-C 1-7 1.4 System memory 1.4.1 Overview 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.
1-8 Chapter 1: Product introduction • 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. Under the default state, some memory modules for overclocking may operate at a lower frequency than the vendor-marked value.
ASUS H81M-C 1-9 2. Remove the DIMM from the socket. Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get damaged when it ips out with extra force. 1.5 Expansion slots In the future, you may need to install expansion cards.
1-10 Chapter 1: Product introduction 1.5.3 PCI Express 2.0 x1 slots This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specications.
ASUS H81M-C 1-1 1 • If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery . • Y ou do not need to clear the RTC when the system hangs due to overclocking.
1-12 Chapter 1: Product introduction 1.7 Connectors 1.7.1 Rear panel connectors LAN port Speed LED Activity Link LED 3 7 4 5 6 1 1 1 2 10 9 8 1. PS/2 mouse port (green). This port is for a PS/2 mouse. 2. Parallel port. This 25-pin port connects a parallel printer, a scanner , or other devices.
ASUS H81M-C 1-13 4. Line In port (light blue). This port connects to the tape, CD, DVD player , or other audio sources. 5. Line Out port (lime). This port connects to a headphone or a speaker . In the 4.1, 5.1 and 7.1-channel congurations, the function of this port becomes Front Speaker Out.
1-14 Chapter 1: Product introduction • For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with A TX 12V Specication 2.0 (or later version) and provides a minimum power of 350W . • DO NOT forget to connect the 4-pin A TX +12V power plug.
ASUS H81M-C 1-15 3. Front panel audio connector (10-1 pin AAFP) This connector is for a chassis-mounted front panel audio I/O module that supports either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel audio I/O module cable to this connector .
1-16 Chapter 1: Product introduction 6. CPU and chassis fan connectors (4-pin CPU_F AN, 4-pin CHA_F AN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector .
ASUS H81M-C 1-17 7. USB 2.0 connectors (10-1 pin USB910, USB1 1 12) 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. These USB connectors comply with USB 2.
1-18 Chapter 1: Product introduction 9. System panel connector (10-1 pin P ANEL) This connector supports several chassis-mounted functions. • 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 .
ASUS H81M-C 1-19 1.8 Onboard LEDs 1. Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that the system is 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.
1-20 Chapter 1: Product introduction 1.9 Software support 1.9.1 Installing an operating system This motherboard supports Windows ® 7 (32bit/64bit) and Windows ® 8 (32bit/64bit) Operating Systems (OS). Always install the latest OS version and corresponding updates to maximize the features of your hardware.
ASUS H81M-C 2-1 2.1 Managing and updating your BIOS Save a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore the BIOS in the future.
2-2 Chapter 2: Getting started 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 le from the ASUS website at www .asus.
ASUS H81M-C 2-3 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 le when it fails or gets corrupted during the updating process. Y ou can restore a corrupted BIOS le using the motherboard support DVD or a USB ash drive that contains the updated BIOS le.
2-4 Chapter 2: Getting started Booting the system to a DOS environment 1. Insert the DOS-bootable USB ash drive with the latest BIOS le and BIOS Updater to your computer ’s USB port. 2. Boot your computer . When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu .
ASUS H81M-C 2-5 3. Press <T ab> to switch between screen elds and use the <Up/Down/Home /End> keys to select the BIOS le and press <Enter>. BIOS Updater checks the selected BIOS le and prompts you to conrm BIOS update. 4.
2-6 Chapter 2: Getting started 2.2 BIOS setup program Use the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program.
ASUS H81M-C 2-7 • The boot device options vary depending on the devices you installed to the system. • The Boot Menu(F8) button is available only when the boot device is installed to the system.
2-8 Chapter 2: Getting started Navigation keys General help Menu bar Submenu item Conguration elds Menu items Back button Pop-up window Scroll bar Menu items The highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows the Main menu items.
ASUS H81M-C 2-9 Submenu items A greater than sign (>) before each item on any menu screen means that the item has a submenu. T o display the submenu, select the item and press <Enter>. Pop-up window Select a menu item and press <Enter> to display a pop-up window with the conguration options for that item.
2-10 Chapter 2: Getting started Adding items to My Favorites T o add frequently-used BIOS items to My Favorites: 1. Use the arrow keys to select an item that you want to add. When using a mouse, hover the pointer to the item. 2. Press <F4> on your keyboard or right-click on your mouse to add the item to My Favorites page.
ASUS H81M-C 2-1 1 2.4 Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings.
2-12 Chapter 2: Getting started 3. Conrm the password when prompted. T o change an administrator password: 1. Select the Administrator Password item and press <Enter>. 2. From the Enter Current Password box, key in the current password, then press <Enter>.
ASUS H81M-C 2-13 2.5 Ai T weaker menu The Ai T weaker menu items allow you to congure overclocking-related items. Be cautious when changing the settings of the Ai T weaker menu items.
2-14 Chapter 2: Getting started T arget CPU T urbo-Mode Speed : xxxxMHz Displays the target CPU T urbo-Mode speed. T arget DRAM Speed : xxxxMHz Displays the target DRAM speed. T arget Cache Speed : xxxxMHz Displays the target Cache speed. T arget DMI/PEG Clock : xxxxMHz Displays the target DMI/PEG clock.
ASUS H81M-C 2-15 2-Core Ratio Limit [Auto] This item becomes congurable only when you set CPU Core Ratio to [Per Core] and allows you to set the 2-Core Ratio Limit. Select [Auto] to apply the CPU default T urbo Ratio setting or manually assign a 2-Core Ratio Limit value that is higher than or equal to the 3-Core Ratio Limit.
2-16 Chapter 2: Getting started 2.5.9 GPU Boost [As is] Allows you to enable the GPU Boost to accelerate the integrated GPU for extreme graphics performance. Conguration options: [As is] [Enabled]. 2.5.10 EPU Power Saving Mode [Auto] Allows you to enable or disable the EPU power saving function.
ASUS H81M-C 2-17 DRAM WRITE to READ Delay [Auto] Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] DRAM CKE Minimum pulse width [Auto] Conguration options: [Auto] [1 DRAM Clock] –.
2-18 Chapter 2: Getting started tRDWR_dr [Auto] Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] tRDWR_dd [Auto] Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] MISC MRC Fast Boot [Auto] Allows you to enable, disable or automatically set the MRC fast boot.
ASUS H81M-C 2-19 Package Power Time Window [Auto] Allows you to set the package power time window . Use the <+> and <-> keys to adjust the value. Short Duration Package Power Limit [Auto] Allows you to limit the turbo ratio’s long duration power .
2-20 Chapter 2: Getting started CPU Internal Power Saving Control Power Saving Level 1 Threshhold [Auto] Allows you to set the power saving level 1 threshhold. Use the <+> and <-> keys to adjust the value. Power Saving Level 2 Threshhold [Auto] Allows you to set the power saving level 2 threshhold.
ASUS H81M-C 2-21 2.5.15 CPU Graphics V oltage [Auto] This item allows you to set the CPU graphics voltage. Increase the graphics voltage when increasing the iGPU frequency .
2-22 Chapter 2: Getting started 2.5.18 CPU Digital I/O V oltage Offset Mode Sign [+] This item allows you to set the CPU digital I/O voltage offset mode sign. Conguration options: [+] [-]. CPU Digital I/O V oltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset.
ASUS H81M-C 2-23 2.6.1 CPU Conguration The items in this menu show the CPU-related information that the BIOS automatically detects. The items shown in submenu may be different due to the CPU you installed. Intel ® Adaptive Thermal Monitor [Enabled] [Enabled] Enables the overheated CPU to throttle its clock speed to cool down.
2-24 Chapter 2: Getting started Boot performance mode [Max Non-T u...] This item allows you to select the boot performance mode. Conguration options: [Max Non- T urbo Performance] [Max battery] [Turbo Performance] CPU Power Management Conguration This item allows you to manage and congure the CPU’s power .
ASUS H81M-C 2-25 Package C State Support [Auto] Allows you to disable or enable the whole C-State package support. Conguration options: [Auto] [Enabled] [C0/C1] [C2] [C3] [C6] [CPU C7] [CPU C7s] 2.
2-26 Chapter 2: Getting started Intel ® Smart Connect T echnology [Disabled] ISCT Support [Disabled] Allows you to enable or disable the ISCT support. Conguration options: [Enabled] [Disabled] 2.6.3 SA T A Conguration While entering Setup, the BIOS automatically detects the presence of SA T A devices.
ASUS H81M-C 2-27 Graphics Conguration Allows you to select a primary display from iGPU, and PCIe graphical devices. Primary Display [Auto] Allows you to select which of the iGPU/PCIE Graphics device should be the Primary Display .
2-28 Chapter 2: Getting started 2.6.5 USB Conguration The items in this menu allow you to change the USB-related features. The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Enabled] [Disabled] The USB devices can be used only for the BIOS setup program.
ASUS H81M-C 2-29 2.6.7 Onboard Devices Conguration HD Audio Controller [Enabled] [Enabled] Enables the HD Audio Device. [Disabled] Disables the HD Audio Device. The following two items appear only when you set the HD Audio Controller item to [Enabled].
2-30 Chapter 2: Getting started Change Settings [Auto] Allows you to select an optimal setting for Super I/O devices. Conguration options: [Auto] [IO=378h; IRQ=5;] [IO=378h; IRQ=5,6,7,9,10,1 1,12;] [IO=278h; IRQ=5,6,7,9,10,1 1,12;] [IO=3BCh; IRQ=5,6,7,9,10,1 1,12;] Device Mode [STD Printe.
ASUS H81M-C 2-31 2.6.9 Network Stack Conguration Network Stack [Disabled] This item allows user to disable or enable the UEFI network stack. Conguration options: [Disabled] [Enabled] The following two items appear only when you set the previous item to [Enabled].
2-32 Chapter 2: Getting started 2.7.1 CPU T emperature [xxxºC/xxxºF] The onboard hardware monitor automatically detects and displays the CPU temperature.
ASUS H81M-C 2-33 CPU Lower T emperature [20] Displays the lower limit of the CPU temperature. CPU Fan Min. Duty Cycle(%) [20] Use the <+> and <-> keys to adjust the minimum CPU fan duty cycle. The values range from 20% to 100%. When the CPU temperature is under the lower limit, the CPU fan will operate at the minimum duty cycle.
2-34 Chapter 2: Getting started 2.8 Boot menu The Boot menu items allow you to change the system boot options. Scroll down to display the following items: 2.8.1 Fast Boot [Enabled] [Enabled] Select to accelerate the boot speed. [Disabled] Select to go back to normal boot.
ASUS H81M-C 2-35 USB Support [Partial In...] [Disabled] All USB devices will not be available until OS boot up for a fastest POST time. [Full Initialization] All USB devices will be available during POST .
2-36 Chapter 2: Getting started 2.8.3 Bootup NumLock State [On] [On] Sets the power-on state of the NumLock to [On]. [Off] Sets the power-on state of the NumLock to [Off]. 2.8.4 W ait for ‘F1’ If Error [Enabled] When this item is set to [Enabled], the system waits for the F1 key to be pressed when error occurs.
ASUS H81M-C 2-37 Boot from Storage Devices [Legacy OPR...] Allows you to select the type of storage devices that you want to launch. Conguration options: [Both, Legacy OPROM rst] [Both, UEFI rst] [Legacy OPROM rst] [UEFI driver rst] [Ignore] Boot from PCI-E/PCI Expansion Devices [Legacy OPR.
2-38 Chapter 2: Getting started Load PK from File Allows you to load the downloaded PK from a USB storage device. The PK le must be formatted as a UEFI variable structure with time-based authenticated variable.
ASUS H81M-C 2-39 Allows you to load the additional DBX from a storage device so that more db’s images cannot be loaded. The DBX le must be formatted as a UEFI variable structure with time-based authenticated variable. 2.8.10 Boot Option Priorities These items specify the boot device priority sequence from the available devices.
2-40 Chapter 2: Getting started 2.9 T ools menu The T ools menu items allow you to congure options for special functions. Select an item then press <Enter> to display the submenu. 2.9.1 ASUS EZ Flash 2 Utility Allows you to run ASUS EZ Flash 2.
ASUS H81M-C 2-41 2.10 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. Y ou can access the EZ Mode from the Exit menu. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus.
2-42 Chapter 2: Getting started.
H81M-C A-1 Appendices Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: This device may not cause harmful interference. This device must accept any interference received including interference that may cause undesired operation.
A-2 Appendices REACH Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://csr .asus.com/english/REACH.
H81M-C A-3 ASUS contact information ASUST eK COMPUTER INC. Address 15 Li-T e Road, Peitou, T aipei, T aiwan 1 1259 T elephone +886-2-2894-3447 Fax +886-2-2890-7798 E-mail info@asus.com.tw Web site www .asus.com.tw T echnical Support T elephone +86-21-3842991 1 Online support support.
A-4 Appendices DECLARATION OF CONFORMITY Per FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corporate Way, Fremont , CA 94539.
An important point after buying a device Asus H81M-C (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Asus H81M-C yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Asus H81M-C - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Asus H81M-C you will learn all the available features of the product, as well as information on its operation. The information that you get Asus H81M-C will certainly help you make a decision on the purchase.
If you already are a holder of Asus H81M-C, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Asus H81M-C.
However, one of the most important roles played by the user manual is to help in solving problems with Asus H81M-C. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Asus H81M-C along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
