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Table of Contents
Related Manuals for Asus H81M-C
Summary of Contents for Asus H81M-C
- Page 1 H81M-C H81M-C/CSM...
- 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-C specifications summary .............. vi Product introduction Before you proceed ..............1-1 Motherboard overview ..............1-1 Central Processing Unit (CPU) ........... 1-3 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 the Memory QVL (Qualified Vendors List) for details. ** Refer to www.asus.com for the latest Memory QVL (Qualified Vendors List). ® *** Due to Intel chipset limitation, the DDR3 1600MHz and higher memory modules on XMP mode will run at the maximum transfer rate of DDR3 1600MHz. - Page 7 - ASUS ESD Guards - Enhanced ESD protection 2.5x long lifespan - ASUS High-Quality 5K-Hour Solid Capacitors - with excellent durability - ASUS Stainless Steel Back I/O - 3x more durable corrosion-resistant coating - ASUS GPU Boost - ASUS USB 3.0 Boost...
- Page 8 H81M-C specifications summary Internal 2 x USB 2.0/1.1 connectors support additional 4 USB 2.0 ports connectors 2 x SATA 6.0 Gb/s connectors 2 x SATA 3.0 Gb/s connectors 1 x CLRTC jumper 1 x 4-pin CPU fan connector 1 x 4-pin Chassis fan connectors...
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Page 9: Product Introduction
1.2.2 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. ASUS H81M-C... -
Page 10: Motherboard Layout
Place this side towards the rear of the chassis H81M-C 1.2.3 Motherboard layout 17.8cm(7.0in) CPU_FAN KBMS DIGI ATX12V +VRM USB3~6 LAN_USB3_12 CHA_FAN BATTERY AUDIO H81M-C PCIEX16_1 8111G BIOS PCIEX1_1 Intel Super ® SATA3G_1 1083 PCIEX1_2 SPEAKER SB_PWR PCI1 887-VD2 SATA3G_2... -
Page 11: Central Processing Unit (Cpu)
Central Processing Unit (CPU) This motherboard comes with a surface mount LGA1150 socket designed for the Intel ® generation Core™ i7 / Core™ i5 / Core™ i3, Pentium , Celeron processors. ® ® H81M-C H81M-C CPU socket LGA1150 ASUS H81M-C... -
Page 12: Installing The 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: 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. ASUS H81M-C... - Page 14 To install the CPU heatsink and fan assembly To uninstall the CPU heatsink and fan assembly Chapter 1: Product introduction...
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Page 15: System Memory
Sockets Channel A DIMM_A1 Channel B DIMM_B1 H81M-C H81M-C 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. • You may install varying memory sizes in Channel A and Channel B. The system maps the total size of the lower-sized channel for the dual-channel configuration. -
Page 16: Installing A Dimm
For system stability, use a more efficient memory cooling system to support a full memory load (2 DIMMs) or overclocking condition. • Visit the ASUS website at: www.asus.com for the latest QVL. 1.4.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. -
Page 17: Expansion Slots
When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. ASUS H81M-C... -
Page 18: Jumpers
CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords. CLRTC H81M-C Normal Clear RTC (Default) H81M-C Clear RTC RAM To erase the RTC RAM: Turn OFF the computer and unplug the power cord. 1-10 Chapter 1: Product introduction... -
Page 19: Usb Device Wake-Up
DRAM in slow refresh, power supply in reduced power mode). PS2_USBPW1-6 H81M-C +5VSB (Default) H81M-C Keyboard Power Setting • The USB device wake-up feature requires a power supply that can provide 500mA on the +5VSB lead for each USB port; otherwise, the system would not power up. •... -
Page 20: Connectors
BIOS. USBPW9-12 H81M-C +5VSB (Default) H81M-C USB Device Wake Up Connectors 1.7.1 Rear panel connectors PS/2 mouse port (green). This port is for a PS/2 mouse. Parallel port. This 25-pin port connects a parallel printer, a scanner, or other devices. - Page 21 DVI-D port. This port is for any DVI-D compatible device. DVI-D can’t be converted to output RGB Signal to CRT and is not compatible with DVI-I. PS/2 keyboard port (purple). This port is for a PS/2 keyboard. ASUS H81M-C 1-13...
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Page 22: Internal Connectors
• 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. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which securely store keys, digital certificates, passwords and data. -
Page 23: Front Panel Audio Connector
H81M-C HD-audio-compliant Legacy AC’97 pin definition compliant definition H81M-C 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 These are not jumpers! Do not place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of maximum 1A (12 W) fan power. Only the 4-pin CPU fan supports the ASUS Fan Xpert 2 feature. 1-16 Chapter 1: Product introduction...
- Page 25 This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then install the module to a slot opening at the back of the system chassis. PIN 1 H81M-C H81M-C Serial port connectors The COM module is purchased separately. ASUS H81M-C 1-17...
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Page 26: System Panel Connector
PIN 1 H81M-C +HDD_LED RESET H81M-C 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 27: 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. SB_PWR H81M-C Standby Power Powered Off H81M-C Onboard LED ASUS H81M-C 1-19... -
Page 28: 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 29: 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 30: 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 31: 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 32 Insert the DOS-bootable USB flash drive with the latest BIOS file and BIOS Updater to your computer’s USB port. Boot your computer. When the ASUS Logo appears, press <F8> to show the BIOS Boot Device Select Menu. Select the optical drive as the boot device. The DOS screen appears.
- Page 33 Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. Refer to section 2.10 Exit menu for details. • Ensure to connect all SATA hard disk drives after updating the BIOS file if you have disconnected them. ASUS H81M-C...
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Page 34: Bios Setup Program
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 35: 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 or press F7. ASUS H81M-C... -
Page 36: Menu Bar
Back button Menu items Menu bar Configuration fields General help Last modified settings Quick note Pop-up window Submenu item Navigation keys Scroll bar Menu bar The menu bar on top of the screen has the following main items: My Favorites For saving the frequently-used system settings and configuration Main For changing the basic system configuration... -
Page 37: Submenu Items
The Quick Note function does not support the following keyboard functions: delete, cut, copy and paste. • You can only use the English letters to type your notes. Last Modified button This button shows the items that you last modified and saved in BIOS Setup. ASUS H81M-C... -
Page 38: My Favorites
My Favorites MyFavorites is your personal space where you can easily save and access your favorite BIOS items. Adding items to My Favorites To add frequently-used BIOS items to My Favorites: Use the arrow keys to select an item that you want to add. When using a mouse, hover the pointer to the item. -
Page 39: Main Menu
Otherwise, you might be able to see or change only selected fields in the BIOS setup program. To set an administrator password: Select the Administrator Password item and press <Enter>. From the Create New Password box, key in a password, then press <Enter>. ASUS H81M-C 2-11... -
Page 40: User Password
Confirm the password when prompted. To change an administrator password: Select the Administrator Password item and press <Enter>. From the Enter Current Password box, key in the current password, then press <Enter>. From the Create New Password box, key in a new password, then press <Enter>. Confirm the password when prompted. -
Page 41: Ai Tweaker Menu
The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Scroll down to display the following items: Scroll down to display the following items: ASUS H81M-C 2-13... - Page 42 Target DMI/PEG Clock : xxxxMHz Displays the target DMI/PEG clock. Target CPU Graphics Speed : xxxxMHz Displays the target iGPU speed. 2.5.1 ASUS MultiCore Enhancement [Auto] [Auto] Default set to [Auto] for maximum performance under XMP/Manual/User- defined memory frequency mode. [Disabled] Allows you to set to default core ratio settings.
- Page 43 The iGPU frequency is set to its optimized setting depending on the system loading. [Manaul] Use the <+> or <-> keys to adjust the optimal iGPU frequency value. The frequency may vary depending on the system loading. ASUS H81M-C 2-15...
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Page 44: Dram Timing Control
2.5.9 GPU Boost [As is] Allows you to enable the GPU Boost to accelerate the integrated GPU for extreme graphics performance. Configuration options: [As is] [Enabled]. 2.5.10 EPU Power Saving Mode [Auto] Allows you to enable or disable the EPU power saving function. Configuration options: [Auto] [Disabled] [Enabled] 2.5.11 DRAM Timing Control... - Page 45 Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] tWRWR_dd [Auto] Configuration options: [Auto] [1 DRAM Clock] – [15 DRAM Clock] Dec_WRD [Auto] Configuration options: [Auto] [0] [1] tRDWR [Auto] Configuration options: [Auto] [1 DRAM Clock] – [31 DRAM Clock] ASUS H81M-C 2-17...
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Page 46: Cpu Power Management
Configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS] Scrambler Setting [Optimized ...] Configuration options: [Optimized (ASUS)] [Default (MRC)] 2.5.12 CPU Power Management The subitems in this menu allow you to set the CPU ratio and features. - Page 47 [75%] [62.5%] [50%] [37.5%] [25%] [12.5%] [0%] [-12.5%] [-25%] [-37.5%] [-50.0%] [-62.5%] [-75%] [-87.5%] [-100%] Power Fast Ramp Response [Auto] Allows you to increase to enhance the response of the voltage regulator during the load transient. Configurations: [Auto] [0.00] - [1.50]. ASUS H81M-C 2-19...
- Page 48 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. Use the <+>...
- Page 49 [+] [-]. CPU Analog I/O Voltage Offset [Auto] This item allows you to set the CPU analog I/O voltage offset. Increase the value when increasing DRAM frequency. The values range from 0.001V to 0.999V with a 0.001V interval. ASUS H81M-C 2-21...
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Page 50: Advanced Menu
2.5.18 CPU Digital I/O Voltage Offset Mode Sign [+] This item allows you to set the CPU digital I/O voltage offset mode sign. Configuration options: [+] [-]. CPU Digital I/O Voltage Offset [Auto] This item allows you to set the CPU digital I/O voltage offset. Increase the value when increasing DRAM frequency. -
Page 51: Cpu Configuration
Allows a hardware platform to automatically analyze the requirements and prefetch data and codes for the CPU. [Disabled] Disables this function. Adjacent Cache Line Prefetch [Enabled] [Enabled] Allows a hardware platform to perform adjacent cache line prefetching. [Disabled] Disables this function. ASUS H81M-C 2-23... -
Page 52: Cpu Power Management Configuration
Boot performance mode [Max Non-Tu...] This item allows you to select the boot performance mode. Configuration options: [Max Non- Turbo Performance] [Max battery] [Turbo Performance] CPU Power Management Configuration This item allows you to manage and configure the CPU’s power. EIST [Enabled] Allows you to enable or disable the Enhanced Intel SpeedStep Technology (EIST). -
Page 53: Pch Configuration
Key in the value for the additional partition size for Rapid Start Technology to work. Ensure that the caching partition size is larger than the total memory size. Hybrid Hard Disk Support [Disabled] Allows you to enable or disable hybrid hard disk support. Configuration options: [Enabled] [Disabled] ASUS H81M-C 2-25... -
Page 54: Sata Configuration
Intel Smart Connect Technology [Disabled] ® ISCT Support [Disabled] Allows you to enable or disable the ISCT support. Configuration options: [Enabled] [Disabled] 2.6.3 SATA Configuration While entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show Not Present if no SATA device is installed to the corresponding SATA port. -
Page 55: Graphics Configuration
L0s] [ASPM L1] [ASPM L0sL1] Memory Configuration Memory Scrambler [Enabled] Allows you to enable or disable Memory Scrambler support. Memory Remap [Enabled] Allows you to enable or disable remapping the memory above 4GB. [Enabled] Enables the function. [Disabled] Disables this function. ASUS H81M-C 2-27... -
Page 56: Usb Configuration
2.6.5 USB Configuration 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. [Enabled] Enables the support for USB devices on legacy operating systems (OS). -
Page 57: Onboard Devices Configuration
The sub-items in this menu allow you to set the parallel port configuration. Parallel Port [Enabled] Allows you to enable or disable the parallel port (LPT/LPTE). Configuration options: [Enabled] [Disabled] The following items appear only when you set the Parallel Port Configuration item to [Enabled]. ASUS H81M-C 2-29... - Page 58 Change Settings [Auto] Allows you to select an optimal setting for Super I/O devices. Configuration options: [Auto] [IO=378h; IRQ=5;] [IO=378h; IRQ=5,6,7,9,10,11,12;] [IO=278h; IRQ=5,6,7,9,10,11,12;] [IO=3BCh; IRQ=5,6,7,9,10,11,12;] Device Mode [STD Printe...] Allows you to select the Printer Port mode. Configuration options: [STD Printer Mode] [SPP Mode] [EPP-1.9 and SPP Mode] [EPP-1.7 and SPP Mode] [ECP Mode] [ECP and EPP 1.9 Mode] [ECP and EPP 1.7 Mode] 2.6.8...
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Page 59: Monitor Menu
This item allows user to disable or enable the Ipv6 PXE Boot support. Configuration options: [Disabled] [Enabled] 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: ASUS H81M-C 2-31... - Page 60 2.7.1 CPU Temperature [xxxºC/xxxºF] The onboard hardware monitor automatically detects and displays the CPU temperature. Select Ignore if you do not wish to display the detected temperature. 2.7.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] The onboard hardware monitor automatically detects and displays the CPU / chassis fan speeds in rotations per minute (RPM).
- Page 61 60% to 100%. When the chassis temperature is under 40ºC, the chassis fan will operate at the minimum duty cycle. 2.7.6 Anti Surge Support [Disabled] This item allows you to enable or disable the Anti Surge function. Configuration options: [Disabled] [Enabled] ASUS H81M-C 2-33...
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Page 62: Boot Menu
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. The following five items appear when you set Fast Boot to [Enabled]. - Page 63 Post Report [5 sec] This item appears only when you set Boot Logo Display to [Disabled]. This item allows you to select a desired post report waiting time. Configuration options: [1 sec] ~ [10 sec] [Until Press ESC]. ASUS H81M-C 2-35...
- Page 64 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 Wait 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.
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Page 65: Secure Boot
The system verifies the PK before your system enters the OS. Delete PK Allows you to delete the PK from your system. Once the PK is deleted, all the system’s Secure Boot keys will not be active. Configuration options: [Yes] [No] ASUS H81M-C 2-37... -
Page 66: Dbx Management
Load PK from File Allows you to load the downloaded PK from a USB storage device. The PK file must be formatted as a UEFI variable structure with time-based authenticated variable. KEK Management The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx). -
Page 67: Boot Option Priorities
• To select the boot device during system startup, press <F8> when ASUS Logo appears. • To access Windows OS in Safe Mode, do any of the following: •... -
Page 68: Tools Menu
<Enter> to display the submenu. 2.9.1 ASUS EZ Flash 2 Utility Allows you to run ASUS EZ Flash 2. Press [Enter] to launch the ASUS EZ Flash 2 screen. For more details, see section 2.1.2 ASUS EZ Flash 2. 2.9.2 ASUS O.C. -
Page 69: Exit Menu
This option allows you to exit the Setup program without saving your changes. When you select this option or if you press <Esc>, a confirmation window appears. Select Yes to discard changes and exit. ASUS EZ Mode This option allows you to enter the EZ Mode screen. Launch EFI Shell from filesystem device This option allows you to attempt to launch the EFI Shell application (shellx64.efi) from one of... - Page 70 2-42 Chapter 2: Getting started...
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Page 71: 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. H81M-C... -
Page 72: 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 73: 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 74 Appendices...