Gigabyte Motherboard GA-H81M-S1 (rev.2.1) User Manual - English (version 2101)
Summary
The official guide for the GA-H81M-S1 Motherboard is essential reading for system builders and enthusiasts. This manual provides comprehensive, step-by-step instructions covering everything from initial hardware installation—including CPU mounting, RAM fitting, and expansion card setup—to advanced BIOS configuration. You will learn how to manage power settings, check system information, and properly install drivers, ensuring optimal performance right out of the box.
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GA-H81M-S1
User's Manual Rev. 2101
For more product details, please visit GIGABYTE's website.
To reduce the impacts on global warming, the packaging materials of this product are recyclable and reusable. GIGABYTE works with you to protect the environment.
Page Summary Contents For Gigabyte Motherboard GA-H81M-S1 (rev.2.1) User Manual - English (version 2101)
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GA-H81M-S1 User's Manual Rev. 2101 For more product details, please visit GIGABYTE's website. To reduce the impacts on global warming, the packaging materials of this product are recyclable and reusab...
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Motherboard GA-H81M-S1 Motherboard GA-H81M-S1 Jul. 26, 2013 Jul. 26, 2013 Copyright © 2016 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally regis...
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Table of Contents GA-H81M-S1 Motherboard Layout .................................................................................4 GA-H81M-S1 Motherboard Block Diagram....................................
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GA-H81M-S1 Motherboard Layout KB_MS CPU_FAN GA-H81M-S1 ATX_12V LGA1150 R_USB30 USB_LAN SATA2 DD R3 _1 DD R3 _2 i TE® BAT SATA3 Super I/O AUDIO Realtek® PCIEX16 Gb E LAN PCIEX1_1 CODEC Intel® H81 PCIEX...
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GA-H81M-S1 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 Bus...
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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 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, Line Out, Mic In) I/O Controller i ...
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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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Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode. 1. Dual Channel mode cannot be enabled if only one DDR3 memory module is installed. 2. When ena...
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Line Out Jack (Green) The 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. Mic In Ja...
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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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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 moth- erboard. Its major functions include conducting the Power-On Self-Test (POS...
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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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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 o...
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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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Administrator Password Allows you to configure an administrator password. Press <Enter> on this item, type the password, and then press <Enter>. You will be requested to confirm the passwo...
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Auto BIOS routes the sharable ports to EHCI controller. Then it uses ACPI protocols to provide an option to enable the x HCI controller and reroute the sharable ports. Note: This is the recommended mo...
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SATA Mode Selection Allows you to decide whether to configure the SATA controller integrated in the Chipset to AHCI mode. IDE Configures the SATA controller to IDE mode. AHCI Configures the SATA contr...
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Resume by Alarm Determines whether to power on the system at a desired time. (Default: Disabled) If enabled, set the date and time as following: Wake up day: Turn on the system at a specific time on e...
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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, Baoqiang Road, 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 | 34 |
| File Size | 10.58 MB |
| Published | May 31, 2026 |
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Frequently Asked Questions
How do I find my motherboard's current revision number?
The revision number is labeled on the board and follows the format 'REV: X.X.'
What is the recommended procedure before updating the BIOS or drivers?
Check your motherboard revision number first before updating the BIOS, drivers, or when looking for technical information.
Where can I find detailed product specifications?
Refer to Section 1-2 Product Specifications in this manual or the GIGABYTE website.
How do I ensure safe operations regarding radio interference?
If interference occurs, try reorienting the receiving antenna, increasing separation, or using a different circuit outlet.