Gigabyte Motherboard GA-B85-HD3-A (rev.1.0) User Manual - English (version 1002)
Summary
This comprehensive manual serves as your essential guide for the GA-B85-HD3-A Motherboard. Designed for system builders and tech users, it provides step-by-step instructions covering everything from initial hardware installation (CPU, RAM, expansion cards) to advanced BIOS setup (M.I.T., power management). Inside, you will find detailed sections on board layout, optimal component connection, driver installation, and troubleshooting, ensuring you can set up and optimize your PC efficiently.
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GA-B85-HD3-A
User's Manual Rev. 1002 12ME-B85HD3A-1002R
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-B85-HD3-A (rev.1.0) User Manual - English (version 1002)
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GA-B85-HD3-A User's Manual Rev. 1002 12ME-B85HD3A-1002R For more product details, please visit GIGABYTE's website. To reduce the impacts on global warming, the packaging materials of this product are ...
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Motherboard GA-B85-HD3-A Motherboard GA-B85-HD3-A Mar. 16, 2015 Mar. 16, 2015 Copyright © 2016 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally r...
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Table of Contents GA-B85-HD3-A Motherboard Layout ...............................................................................4 GA-B85-HD3-A Motherboard Block Diagram .................................
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GA-B85-HD3-A Motherboard Layout KB_MS_USB CPU_FAN HD MI VG ATX_12V_2X4 i TE Su pe r I /O SY S_ FA N1 LGA1150 SY S_ FA N2 R_USB30 USB_LAN DD R3 _4 AUDIO BAT DD R3 _2 DD R3 _3 Realtek® DD R3 _1 Gb E LAN...
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GA-B85-HD3-A Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) DVI-D LGA1150 PCIe CLK HDMI CPU DDR3 1600/1333 MHz (100 MHz) Dual Channel Memory DMI 2.0 FDI x16 Re ar pe ak er ut PCI Exp...
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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/In- tel® Celeron® processors in the LGA1150 pack...
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Internal 1 x 24-pin ATX main power connector Connectors 1 x 8-pin ATX 12V power connector 4 x SATA 6Gb/s connectors 2 x SATA 3Gb/s connectors 1 x CPU fan header 3 x system fan headers 1 x front panel ...
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Unique Features - USB Blocker - Fast Boot - Smart Time Lock - Smart Recovery 2 Support for ON/OFF Charge Bundled Norton® Internet Security (OEM version) Software Intel® Rapid Start Technology Intel® S...
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1-4 Installing the Memory Read the following guidelines before you begin to install the memory: Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, ...
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DVI-D Port (Note) The DVI-D port conforms to the DVI-D specification and supports a maximum resolution of 1920x1200 (the actual resolutions supported depend on the monitor being used). Connect a monit...
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1-7 Internal Connectors 1) ATX_12V_2X4 9) F_AUDIO 2) ATX 10) SPDIF_IN 3) CPU_FAN 11) SPDIF_O 4) SYS_FAN1/2/3 12) CLR_CMOS 5) SATA3 0/1/2/3 13) F_USB30 6) SATA2 4/5 14) F_USB1/F_USB2 7) BAT 15) COMA 8)...
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DEBUG PORT DEBUG PORT DEBUG PORT DEBUG PORT 1/2) ATX_12V_2X4/ATX (2x4 12V Power Connector and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable ...
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SYS_FAN3: Pin No. Definition DEBUG DEBUG GND PORT PORT +12V SYS_FAN3 DEBUG DEBUG PORT N/A PORT Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overhea...
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DEBUG PORT 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 p...
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10) SPDIF_IN (S/PDIF In Header) This header supports digital S/PDIF In and can connect to an audio device that supports digital audio out via an optional S/PDIF In cable. For purchasing the optional S...
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14) F_USB1/F_USB2 (USB 2.0/1.1 Headers) DEBUG The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an PORT optional USB bracket. For purchasing the optional ...
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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 and Vcore. Whether the system will work stably with the overc...
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Filter PLL Level Allows you to set the Filter PLL. Auto lets the BIOS automatically configure this setting. (Default: Auto) Uncore Ratio Allows you to set the CPU Uncore ratio. The adjustable range is...
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Extreme Memory Profile (X.M.P.) (Note) Allows the BIOS to read the SPD data on XMP memory module(s) to enhance memory performance when enabled. Disabled Disables this function. (Default) Profile1 Uses...
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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 fan speed. This item is configurable only when 1st System Fan Speed Control is set to Manual. Options are: 0.75 PWM value /o C ~ 2.50 PWM value /o C. 2nd...
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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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2-5 Peripherals Initial Display Output Specifies the first initiation of the monitor display from the installed PCI graphics card, PCI Express graphics card or the onboard graphics. IGFX Sets the onbo...
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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. Aud...
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External SATA Enables or disables support for external SATA devices. (Default: Disabled) Super IO Configuration This section provides information on the super I/O chip and allows you to configure the ...
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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 E...
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Keyboard 98 Press POWER button on the Windows 98 keyboard to turn on the system. Password Set a password with 1~5 characters to turn on the system. Power On Password Set the password when Power On By ...
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Boot Override Allows you to select a device to boot immediately. Press <Enter> on the device you select and select Yes to confirm. Your system will restart automatically and boot from that devic...
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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 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 | 36 |
| File Size | 12.95 MB |
| Published | May 31, 2026 |
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Frequently Asked Questions
How do I check my motherboard's revision number?
The revision number is marked as 'REV: X.X.' on the board (e.g., 'REV: 1.0').
Where can I find detailed information about product features and support?
Visit GIGABYTE's website at http://www.gigabyte.com or contact them using their provided support links.
What is the recommended procedure for BIOS updates or technical lookups?
Check your motherboard revision number before updating BIOS, drivers, or searching for technical information.
How are power and other functions managed within the BIOS setup?
Use the Power Management section (2-6) and Peripherals section (2-5) in Chapter 2 of the manual.