MotherboardH81M-PLUS
1-2Chapter 1: Product introductionH81M-PLUSPlace this side towards the rear of the chassis1.2.3 Motherboard layoutH81M-PLUSPCIEX16_1PCIEX1_1PCIEX1_2P
ASUS H81M-PLUS1-31.2.4 Layout contentsConnectors/Jumpers/Slots/LED Page1. Keyboard and USB device wakeup (KB_USBPWB) 1-122. ATX power connectors (24
1-4Chapter 1: Product introduction1.3.1 Installing the CPU123ABUnplug all power cables before installing the CPU.• Ensure that you install the corre
ASUS H81M-PLUS1-5ABC541.3.2 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU before you ins
1-6Chapter 1: Product introduction3 4ABBATo uninstall the CPU heatsink and fan assembly21To install the CPU heatsink and fan assembly2BAAB1
ASUS H81M-PLUS1-71.4 System memory1.4.1 OverviewThis motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Module (DIMM) sockets.
1-8Chapter 1: Product introduction• The default memory operation frequency is dependent on its Serial Presence Detect (SPD), which is the standard wa
ASUS H81M-PLUS1-92. Remove the DIMM from the socket.Support the DIMM lightly with your ngers when pressing the retaining clips. The DIMM might get d
1-10Chapter 1: Product introduction1.5.3 PCI Express x1 slotsThis motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that
ASUS H81M-PLUS1-11• If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After cleari
iiE8448First Edition V1June 2013Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software
1-12Chapter 1: Product introduction1.7 Connectors1.7.1 Rear panel connectorsLAN portSpeed LEDActivity Link LED39 8 7210114 561121. PS/2 mouse port
ASUS H81M-PLUS1-134. Line In port (light blue). This port connects to the tape, CD, DVD player, or other audio sources.5. Line Out port (lime). This
1-14Chapter 1: Product introduction• For a fully congured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12V Spec
ASUS H81M-PLUS1-153. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I/O module that supports ei
1-16Chapter 1: Product introduction6. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on
ASUS H81M-PLUS1-177. USB 2.0 connectors (10-1 pin USB910, USB1112)These connectors are for USB 2.0 ports. Connect the USB module cable to any of thes
1-18Chapter 1: Product introduction9. System panel connector (10-1 pin PANEL)This connector supports several chassis-mounted functions.• System powe
ASUS H81M-PLUS1-191.8 Onboard LEDs1. Standby Power LEDThe motherboard comes with a standby power LED that lights up to indicate that the system is O
1-20Chapter 1: Product introduction1.9 Software support1.9.1 Installing an operating systemThis motherboard supports Windows® 7 (32bit/64bit) and Wi
ASUS H81M-PLUS2-12.1 Managing and updating your BIOSSave a copy of the original motherboard BIOS le to a USB ash disk in case you need to restore t
iiiContentsSafety information ... ivAbout this guide ...
2-2Chapter 2: Getting started2.1.2 ASUS EZ Flash 2The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility.Before
ASUS H81M-PLUS2-32.1.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when i
2-4Chapter 2: Getting startedBooting the system to a DOS environment1. Insert the DOS-bootable USB ash drive with the latest BIOS le and BIOS Updat
ASUS H81M-PLUS2-53. Press <Tab> to switch between screen elds and use the <Up/Down/Home/End> keys to select the BIOS le and press <E
2-6Chapter 2: Getting started2.2 BIOS setup programUse the BIOS Setup program to update the BIOS or congure its parameters. The BIOS screens include
ASUS H81M-PLUS2-7• The boot device options vary depending on the devices you installed to the system.• The Boot Menu(F8) button is available only wh
2-8Chapter 2: Getting startedNavigation keysGeneral helpMenu barSubmenu itemConguration eldsMenu itemsBack buttonPop-up windowScroll barMenu itemsTh
ASUS H81M-PLUS2-9Pop-up windowSelect a menu item and press <Enter> to display a pop-up window with the conguration options for that item.Scroll
2-10Chapter 2: Getting startedAdding items to My FavoritesTo add frequently-used BIOS items to My Favorites:1. Use the arrow keys to select an item t
ASUS H81M-PLUS2-112.4 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an
ivSafety informationElectrical safetyTo prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the s
2-12Chapter 2: Getting started3. Conrm the password when prompted.To change an administrator password:1. Select the Administrator Password item and
ASUS H81M-PLUS2-132.5 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changing the setting
2-14Chapter 2: Getting startedScroll down to display the following items:Target CPU Turbo-Mode Speed : xxxxMHzDisplays the target CPU Turbo-Mode speed
ASUS H81M-PLUS2-15The following two items appear only when you set the CPU Core Ratio to [Sync All Cores] or [Per Core].1-Core Ratio Limit [Auto]Allow
2-16Chapter 2: Getting started2.5.8 Max. CPU Graphics Ratio [Auto][Auto] The iGPU frequency is set to its optimized setting depending on the system
ASUS H81M-PLUS2-17DRAM READ to PRE Time [Auto]Conguration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock]DRAM FOUR ACT WIN Time [Auto]Conguration o
2-18Chapter 2: Getting startedDec_WRD [Auto]Conguration options: [Auto] [0] [1]tRDWR [Auto]Conguration options: [Auto] [1 DRAM Clock] – [31 DRAM Clo
ASUS H81M-PLUS2-19CPU Power Phase Control [Standard]Allows you to set the power phase based on the CPU. Conguration options: [Auto] [Standard] [Optim
2-20Chapter 2: Getting startedTurbo Mode ParametersLong Duration Package Power Limit [Auto]Allows you to limit the turbo ratio’s long duration package
ASUS H81M-PLUS2-21Power Current Offset [Auto]Allows you to set the power current offset. Conguration options: [Auto] [100%] [87.5%] [75%] [62.5%] [50
vWhere to nd more informationRefer to the following sources for additional information and for product and software updates.1. ASUS websitesThe ASUS
2-22Chapter 2: Getting startedCPU Cache Voltage Override [Auto]This item appears only when you set the CPU Cache Voltage to [Manual Mode] and allows y
ASUS H81M-PLUS2-23CPU System Agent Voltage Offset [Auto]This item allows you to set the CPU system agent voltage offset. Increase the value when incre
2-24Chapter 2: Getting started2.5.25 DRAM DATA REF Voltage on CHA [Auto]Allows you to set the DRAM DATA REF Voltage on CHA. The values range from 0.3
ASUS H81M-PLUS2-25Hyper-threading [Enabled]The Intel Hyper-Threading Technology allows a hyper-threading processor to appear as two logical processors
2-26Chapter 2: Getting startedTurbo Mode [Enabled]Allows you to set the processor cores to run faster than the marked frequency in a specic condition
ASUS H81M-PLUS2-27PCIe Speed [Auto]Allows you to select the PCI Express port speed. Conguration options: [Auto] [Gen1] [Gen2]Intel® Rapid Start Techn
2-28Chapter 2: Getting started2.6.3 SATA CongurationWhile entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port
ASUS H81M-PLUS2-29Graphics CongurationAllows you to select a primary display from iGPU, and PCIe graphical devices.Primary Display [Auto]Allows you t
2-30Chapter 2: Getting started2.6.5 USB CongurationThe items in this menu allow you to change the USB-related features.The USB Devices item shows th
ASUS H81M-PLUS2-312.6.7 Onboard Devices CongurationHD Audio Controller [Enabled][Enabled] Enables the HD Audio Device.[Disabled] Disables the HD A
viH81M-PLUS specications summary(continued on the next page)CPU LGA1150 socket for 4th Generation Intel® CoreTM i7/i5/i3, Pentium®, Celeron® Processo
2-32Chapter 2: Getting startedPower On By PS/2 Keyboard [Disabled][Disabled] Disables the Power On by a PS/2 keyboard.[Space Bar] Sets the Space Bar
ASUS H81M-PLUS2-332.7 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan settings.Scroll dow
2-34Chapter 2: Getting startedCPU Fan Speed Low Limit [200 RPM]This item appears only when you enable the CPU Q-Fan Control feature and allows you to
ASUS H81M-PLUS2-35[Standard] Sets to [Standard] to make the chassis fan automatically adjust depending on the chassis temperature.[Silent] Sets to [
2-36Chapter 2: Getting startedScroll down to display the following items:2.8.1 Fast Boot [Enabled][Enabled] Select to accelerate the boot speed.[Dis
ASUS H81M-PLUS2-37Network Stack Driver Support [Disabled][Disabled] Select to skip the network stack driver from loading during POST.[Enabled] Selec
2-38Chapter 2: Getting started2.8.7 Setup Mode [EZ Mode][Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup program
ASUS H81M-PLUS2-39The following item appears when OS Type is set to [Windows UEFI mode].Key ManagementThis item appears only when you set Secure Boot
2-40Chapter 2: Getting startedLoad db from FileAllows you to load the downloaded db from a USB storage device.Append db from leAllows you to load the
ASUS H81M-PLUS2-412.9 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Enter> to
viiH81M-PLUS specications summaryAudio Realtek® ALC887 8-channel Audio CODEC- Supports jack-detection, multi-streaming, front panel jack-restasking*
2-42Chapter 2: Getting started2.10 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard
H81M-PLUSA-1AppendicesNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to th
A-2AppendicesREACHComplying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published
H81M-PLUSA-3ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax
A-4AppendicesDECLARATION OF CONFORMITYPer FCC Part 2 Section 2. 1077(a) Responsible Party Name: Asus Computer International Address: 800 Corpora
viiiH81M-PLUS specications summaryRear panel I/O ports1 x PS/2 keyboard port (purple)1 x PS/2 mouse port (green)1 x DVI port1 x RGB port1 x HDMI port
ASUS H81M-PLUS1-1Product introduction11.1 Before you proceedTake note of the following precautions before you install motherboard components or chang
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