Gigabyte Motherboard GA-H81M-DS2 (rev.3.0) User Manual - English (Version 3001)
Summary
The GA-H81M-DS2 is a reliable motherboard designed for PC builders and advanced users requiring robust system performance. This user manual provides comprehensive, step-by-step guidance covering everything from initial hardware installation—including CPU, memory, and expansion cards—to detailed BIOS setup and power management settings. Use this resource to fully configure your system, optimize its features, and ensure safe and efficient operation of your new desktop computer build.
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GA-H81M-DS2
User's Manual Rev. 3001 12ME-H81MDS2-3001R
Page Summary Contents For Gigabyte Motherboard GA-H81M-DS2 (rev.3.0) User Manual - English (Version 3001)
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GA-H81M-DS2 User's Manual Rev. 3001 12ME-H81MDS2-3001R
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Motherboard GA-H81M-DS2 Motherboard GA-H81M-DS2 Nov. 8, 2013 Jun. 12, 2014 Copyright © 2016 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally regi...
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Table of Contents GA-H81M-DS2 Motherboard Layout ...............................................................................4 GA-H81M-DS2 Motherboard Block Diagram ...................................
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GA-H81M-DS2 Motherboard Layout CPU_FAN KB_MS VG CO ATX_12V LGA1150 R_USB30 USB_LAN i TE® BAT DD R3 _1 Super I/O AUDIO PCIEX16 GA-H81M-DS2 Realtek® DD R3 _2 Gb E LAN SA TA PCIEX1_1 SA TA B_BIOS Intel® ...
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GA-H81M-DS2 Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) LGA1150 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 Express Bu...
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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 packag...
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Back Panel 1 x PS/2 mouse port Connectors 1 x PS/2 Keyboard port 1 x parallel port 1 x serial port 1 x D-Sub port 2 x USB 3.0/2.0 ports 2 x USB 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks (Line In, L...
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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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1-5 Installing an Expansion Card Read the following guidelines before you begin to install an expansion card: Make sure the motherboard supports the expansion card. Carefully read the manual that came...
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Line Out Jack (Green) The default line out jack. Use this audio jack for a headphone or 2-channel speaker. This jack can be used to connect front speakers in a 4/5.1/7.1-channel audio configuration. M...
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DEBUG PORT DEBUG 1/2) ATX_12V/ATX (2x2 12V Power Connector and 2x12 Main Power Connector) PORT 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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10) F_USB1/F_USB2 (USB 2.0/1.1 Headers) The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. For purchasing the optional USB bracket...
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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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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: ...
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CPU EIST Function (Note 1) Enables or disables Enhanced Intel® Speed Step Technology (EIST). Depending on CPU loading, Intel EIST technology can dynamically and effectively lower the CPU voltage and c...
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Channel A/B Memory Sub Timings This sub-menu provides memory timing settings for each channel of memory. This sub-menu provides memory timing settings for each channel of memory. The respective timing...
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Fan Speed Percentage Allows you to control the system fan speed. This item is configurable only when System Fan Speed Control is set to Manual. Options are: 0.75 PWM value /o C ~ 2.50 PWM value /o C. ...
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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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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...
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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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2-5 Peripherals Initial Display Output Specifies the first initiation of the monitor display from the installed PCI Express graphics card or the onboard graphics. IGFX Sets the onboard graphics as the...
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Audio Controller Enables or disables the onboard audio function. (Default: Auto) If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to Disabled. Int...
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Parallel Port Enables or disables the onboard parallel port. (Default: Enabled) Device Mode This item is configurable only when Parallel Port is set to Enabled. Selects an operating mode for the onboa...
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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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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 to the BIOS Setup M...
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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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Contact Us GIGA-BYTE TECHNOLOGY CO., LTD. Address: No.6, Baoqiang Rd., Xindian Dist., New Taipei City 231, Taiwan TEL: +886-2-8912-4000, FAX: +886-2-8912-4005 Tech. and Non-Tech. Support (Sales/Market...
Manual Details
| Brand | GIGABYTE |
|---|---|
| Pages | 32 |
| File Size | 10.49 MB |
| Published | June 01, 2026 |
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Frequently Asked Questions
How can I identify my motherboard's current hardware revision number?
Check for the 'REV: X.X.' marking printed on your motherboard.
What should I do regarding recycling "end of life" equipment?
Contact your local government office or household waste disposal service to ensure environmentally safe disposal.
Before updating the BIOS or drivers, what must I check first?
You must check the specific revision number on your motherboard using the 'REV: X.X.' label.
Where can I submit technical questions about this hardware?
Please use the dedicated link provided here: http://esupport.gigabyte.com.