GA-H81M-HD2 User's Manual Rev.
Motherboard GA-H81M-HD2 Motherboard GA-H81M-HD2 Dec. 27, 2013 Dec. 27, 2013 Copyright © 2013 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally registered to their respective owners. Disclaimer Information in this manual is protected by copyright laws and is the property of GIGABYTE. Changes to the specifications and features in this manual may be made by GIGABYTE without prior notice.
Table of Contents GA-H81M-HD2 Motherboard Layout................................................................................4 GA-H81M-HD2 Motherboard Block Diagram...................................................................5 Chapter 1 Hardware Installation......................................................................................6 1-1 1-2 1-3 1-4 1-5 1-6 1-7 Installation Precautions.....................................................................................
GA-H81M-HD2 Motherboard Layout DDR3_1 VGA LGA1150 ATX HDMI DVI ATX_12V DDR3_2 CPU_FAN KB_MS SATA2 32 R_USB30 USB_LAN Realtek ® GbE LAN PCIEX16 BAT GA-H81M-HD2 SATA3 10 iTE® Super I/O AUDIO PCIEX1_1 B_BIOS CODEC F_AUDIO PCIEX1_2 SYS_FAN M_BIOS F_USB2 F_USB1 Intel® H81 CLR_CMOS F_PANEL Box Contents 55 GA-H81M-HD2 motherboard 55 Motherboard driver disk 55 User's Manual 55 Two SATA cables 55 I/O Shield The box contents above are for reference only and the actual items shall depend on
GA-H81M-HD2 Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) DVI-D LGA1150 CPU DDR3 1600/1333 MHz Dual Channel Memory HDMI DMI 2.0 x16 PCI Express Bus FDI PCIe CLK (100 MHz) Dual BIOS D-Sub 2 SATA 6Gb/s PCI Express Bus x1 x1 PCIe CLK (100 MHz) x1 2 SATA 3Gb/s Intel® H81 2 USB 3.0/2.0 Realtek® GbE LAN 2 PCI Express x1 6 USB 2.0/1.
Chapter 1 1-1 Hardware Installation Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's manual and follow these procedures: •• Prior to installation, make sure the chassis is suitable for the motherboard. •• Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or warranty sticker provided by your dealer.
1-2 Product Specifications CPU Support for Intel® Core™ i7 processors/Intel® Core™ i5 processors/ Intel® Core™ i3 processors/Intel® Pentium® processors/ Intel® Celeron® processors in the LGA1150 package (Go to GIGABYTE's website for the latest CPU support list.) L3 cache varies with CPU Chipset Intel® H81 Express Chipset Memory 2 x 1.
Internal Connectors Back Panel Connectors 1 x front panel audio header 2 x USB 2.0/1.1 headers 1 x Clear CMOS jumper 1 x PS/2 mouse port 1 x PS/2 Keyboard port 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 2 x USB 3.0/2.0 ports 2 x USB 2.0/1.
1-3 Installing the CPU Read the following guidelines before you begin to install the CPU: •• Make sure that the motherboard supports the CPU. (Go to GIGABYTE's website for the latest CPU support list.) •• Always turn off the computer and unplug the power cord from the power outlet before installing the CPU to prevent hardware damage. •• Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly.
Dual Channel Memory Configuration This motherboard provides two DDR3 memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth.
HDMI Port The HDMI port is HDCP compliant and supports Dolby True HD and DTS HD Master Audio formats. It also supports up to 192KHz/24bit 8-channel LPCM audio output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is 4096x2160, but the actual resolutions supported are dependent on the monitor being used. After installing the HDMI device, make sure to set the default sound playback device to HDMI.
1-7 Internal Connectors 1 3 2 7 5 6 9 1) 2) 3) 4) 5) 6) ATX_12V ATX CPU_FAN SYS_FAN BAT SATA3 0/1 4 10 11 7) 8) 9) 10) 11) 8 SATA2 2/3 F_PANEL F_AUDIO F_USB1/F_USB2 CLR_CMOS Read the following guidelines before connecting external devices: •• First make sure your devices are compliant with the connectors you wish to connect. •• Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from the power outlet to prevent damage to the devices.
1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation.
5) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low level, or the CMOS values may not be accurate or may be lost. •• •• •• •• •• You may clear the CMOS values by removing the battery: 1. Turn off your computer and unplug the power cord. 2. Gently remove the battery from the battery holder and wait for one minute.
8) F_PANEL (Front Panel Header) Connect the power switch, reset switch, speaker, and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.
9) F_AUDIO (Front Panel Audio Header) The front panel audio header supports Intel High Definition audio (HD) and AC'97 audio. You may connect your chassis front panel audio module to this header. Make sure the wire assignments of the module connector match the pin assignments of the motherboard header. Incorrect connection between the module connector and the motherboard header will make the device unable to work or even damage it. 9 10 1 2 For HD Front Panel Audio: Pin No.
Chapter 2 BIOS Setup BIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on the motherboard. Its major functions include conducting the Power-On Self-Test (POST) during system startup, saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that allows the user to modify basic system configuration settings or to activate certain system features.
2-2 M.I.T. This section provides information on the BIOS version, CPU base clock, CPU frequency, memory frequency, total memory size, CPU temperature, Vcore, and memory voltage. Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall system configurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory and reduce the useful life of these components.
`` Advanced CPU Core Settings && CPU Clock Ratio, CPU Frequency The settings above are synchronous to those under the same items on the Advanced Frequency Settings menu. && K OC (Note) Allows for increased performance by using certain CPUs. (Default: Auto) && CPU PLL Selection Allows you to set the CPU PLL. Auto lets the BIOS automatically configure this setting. (Default: Auto) && Filter PLL Level Allows you to set the Filter PLL. Auto lets the BIOS automatically configure this setting.
&& C6/C7 State Support (Note 1) Allows you to determine whether to let the CPU enter C6/C7 mode in system halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state to decrease power consumption. The C6/C7 state is a more enhanced power-saving state than C3. Auto lets the BIOS automatically configure this setting. (Default: Auto) && CPU Thermal Monitor (Note 1) Enables or disables Intel® Thermal Monitor function, a CPU overheating protection function.
&& Memory Timing Mode Manual and Advanced Manual allows the Channel Interleaving, Rank Interleaving, and memory timing settings below to be configurable. Options are: Auto (default), Manual, Advanced Manual. && Profile DDR Voltage When using a non-XMP memory module or Extreme Memory Profile (X.M.P.) is set to Disabled, this item will display as 1.50V. When Extreme Memory Profile (X.M.P.) is set to Profile1 or Profile2, this item will display the value based on the SPD data on the XMP memory.
&& CPU Fan Speed Control Allows you to determine whether to enable the fan speed control function and adjust the fan speed. Normal Allows the fan to run at different speeds according to the CPU temperature. You can adjust the fan speed with EasyTune based on your system requirements. (Default) Silent Allows the fan to run at slow speeds. Manual Allows you to control the fan speed under the Fan Speed Percentage item. Full Speed Allows the fan to run at full speeds.
2-3 System Information This section provides information on your motherboard model and BIOS version. You can also select the default language used by the BIOS and manually set the system time. && System Language Selects the default language used by the BIOS. && System Date Sets the system date. The date format is week (read-only), month, date, and year. Use to switch between the Month, Date, and Year fields and use the or key to set the desired value.
2-4 BIOS Features && Boot Option Priorities Specifies the overall boot order from the available devices. For example, you can set hard drive as the first priority (Boot Option #1) and DVD ROM drive as the second priority (Boot Option #2). The list only displays the device with the highest priority for a specific type. For example, only hard drive defined as the first priority on the Hard Drive BBS Priorities submenu will be presented here.
&& Fast Boot Enables or disables Fast Boot to shorten the OS boot process. Ultra Fast provides the fastest bootup speed. (Default: Disabled) && VGA Support Allows you to select which type of operating system to boot. Auto Enables legacy option ROM only. EFI Driver Enables EFI option ROM. (Default) This item is configurable only when Fast Boot is set to Enabled or Ultra Fast. && USB Support Disabled All USB devices are disabled before the OS boot process completes.
&& CSM Support Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process. Always Enables UEFI CSM. (Default) Never Disables UEFI CSM and supports UEFI BIOS boot process only. This item is configurable only when Windows 8 Features is set to Windows 8 or Windows 8 WHQL. && Boot Mode Selection Allows you to select which type of operating system to boot.
&& User Password Allows you to configure a user password. Press on this item, type the password, and then press . You will be requested to confirm the password. Type the password again and press . You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. However, the user password only allows you to make changes to certain BIOS settings but not all.
Enabled All shared ports are eventually routed to the xHCI controller during the BIOS boot process. If BIOS does not have pre-boot support for the xHCI controller, it should initially route the sharable ports to the EHCI controller and then prior to OS boot it should route the ports to xHCI controller. Note: OS has to provide support for the xHCI controller in this mode. If the OS does not provide support, all sharable ports won't work. Disabled The USB 3.
`` Serial ATA Port 0/1/2/3 && Port 0/1/2/3 Enables or disables each SATA port. (Default: Enabled) && Hot plug Enables or disable the hot plug capability for each SATA port. (Default: Disabled) && External SATA Enables or disables support for external SATA devices. (Default: Disabled) 2-6 Power Management && Power Loading Enables or disables dummy load. When the power supply is at low load, a self-protection will activate causing it to shutdown or fail. If this occurs, please set to Enabled.
&& AC BACK Determines the state of the system after the return of power from an AC power loss. Memory The system returns to its last known awake state upon the return of the AC power. Always On The system is turned on upon the return of the AC power. Always Off The system stays off upon the return of the AC power. (Default) && Power On By Keyboard Allows the system to be turned on by a PS/2 keyboard wake-up event.
2-7 Save & Exit && Save & Exit Setup Press on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup program. Select No or press to return to the BIOS Setup Main Menu. && Exit Without Saving Press on this item and select Yes. This exits the BIOS Setup without saving the changes made in BIOS Setup to the CMOS. Select No or press to return to the BIOS Setup Main Menu.
Chapter 3 Appendix Drivers Installation •• Before installing the drivers, first install the operating system. (The following instructions use Windows 8 as the example operating system.) •• After installing the operating system, insert the motherboard driver disk into your optical drive. Click on the message "Tap to choose what happens with this disc" on the top-right corner of the screen and select "Run Run.exe." (Or go to My Computer, double-click the optical drive and execute the Run.exe program.
Regulatory Statements Regulatory Notices This document must not be copied without our written permission, and the contents there of must not be imparted to a third party nor be used for any unauthorized purpose. Contravention will be prosecuted. We believe that the information contained herein was accurate in all respects at the time of printing. GIGABYTE cannot, however, assume any responsibility for errors or omissions in this text.
FCC Notice (U.S.A. Only) This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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