Gigabyte Motherboard GA-H81M-HD2 (rev.1.0) User Manual English (version 1001)
Summary
Upgrade your custom desktop PC with the durable GA-H81M-HD2 Motherboard. This comprehensive user guide is essential reading for PC builders, system integrators, or advanced users seeking a reliable platform. The manual provides detailed instructions covering every aspect of setup—from initial hardware installation (CPU, RAM, expansion cards) to mastering BIOS configuration and power management settings. Get everything you need to successfully build, optimize, and utilize your new motherboard today.
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GA-H81M-HD2
User's Manual Rev. 1001 12ME-H81MHD2-1001R
Page Summary Contents For Gigabyte Motherboard GA-H81M-HD2 (rev.1.0) User Manual English (version 1001)
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GA-H81M-HD2 User's Manual Rev. 1001 12ME-H81MHD2-1001R
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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 reg...
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Table of Contents GA-H81M-HD2 Motherboard Layout ...............................................................................4 GA-H81M-HD2 Motherboard Block Diagram ...................................
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GA-H81M-HD2 Motherboard Layout CPU_FAN HD MI DV KB_MS ATX_12V LGA1150 R_USB30 USB_LAN i TE® BAT DD R3 _1 AUDIO Super I/O PCIEX16 GA-H81M-HD2 Rea tek DD R3 _2 Gb E LAN SA TA PCIEX1_1 SA TA B_BIOS Intel...
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GA-H81M-HD2 Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) LGA1150 DVI-D DDR3 1600/1333 MHz Dual Channel Memory PCIe CLK (100 MHz) MI (C en ter /S ub wo ofe Sp ea ke r O ut) PCI Expr...
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Chapter 1 Hardware Installation 1-1 Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic dischar...
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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 packa...
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Internal 1 x front panel audio header Connectors 2 x USB 2.0/1.1 headers 1 x Clear CMOS jumper Back Panel 1 x PS/2 mouse port Connectors 1 x PS/2 Keyboard port 1 x D-Sub port 1 x DVI-D port 1 x HDMI p...
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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.) A...
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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 specific...
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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 ...
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1-7 Internal Connectors 1) ATX_12V 7) SATA2 2/3 2) ATX 8) F_PANEL 3) CPU_FAN 9) F_AUDIO 4) SYS_FAN 10) F_USB1/F_USB2 5) BAT 11) CLR_CMOS 6) SATA3 0/1 Read the following guidelines before connecting ex...
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DEBUG PORT DEBUG PORT 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 component...
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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 batte...
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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...
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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...
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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)...
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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 stab...
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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 per...
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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 s...
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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 Man...
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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 temperatu...
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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 ...
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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 th...
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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 syste...
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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 proc...
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User Password Allows you to configure a user password. Press <Enter> on this item, type the password, and then press <Enter>. You will be requested to confirm the password. Type the passwo...
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Enabled All shared ports are eventually routed to the x HCI controller during the BIOS boot process. If BIOS does not have pre-boot support for the x HCI controller, it should initially route the shar...
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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 En...
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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 syste...
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2-7 Save & Exit Save & Exit Setup Press <Enter> on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup program. Select No or press <Esc> to return...
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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 ...
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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 unauthoriz...
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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 rea...
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Contact Us GIGA-BYTE TECHNOLOGY CO., LTD. Address: No.6, Bao Chiang Road, Hsin-Tien Dist., New Taipei City 231,Taiwan TEL: +886-2-8912-4000, FAX: +886-2-8912-4005 Tech. and Non-Tech. Support (Sales/Ma...
Manual Details
| Brand | GIGABYTE |
|---|---|
| Pages | 36 |
| File Size | 10.20 MB |
| Published | May 31, 2026 |
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Frequently Asked Questions
How do I check my motherboard's current version?
The revision number is noted as ""REV: X.X."" for example, ""REV: 1.0.""
Where should I check before updating BIOS or drivers?
Always check your motherboard revision number when looking up technical information.
What are some hardware installation precautions?
The motherboard may contain nons interfering elements, but interference is not guaranteed to be avoided in every setup.
How can I get detailed specifications and product info?
Refer to the ""1-2 Product Specifications"" section or visit the GIGABYTE website for details.