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Gigabyte Motherboard GA-B85-HD3 (rev.2.x) User Manual - English (version 2101)

Summary

This comprehensive user guide provides detailed setup instructions for the GA-B85-HD3 Motherboard. It serves as an essential resource for PC builders, technicians, and hobbyists preparing or upgrading a system. The manual covers everything from initial hardware installation—including CPU mounting, memory pairing, and expansion card setup—to advanced BIOS configuration, power management features, and driver deployment. Master your build with step-by-step guidance designed for optimal performance.

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GA-B85-HD3

User's Manual Rev. 2101 12ME-B85HD3-2101R

Page Summary Contents For Gigabyte Motherboard GA-B85-HD3 (rev.2.x) User Manual - English (version 2101)

Page 1 GA-B85-HD3 User's Manual Rev. 2101 12ME-B85HD3-2101R
Page 2 Motherboard GA-B85-HD3 Motherboard GA-B85-HD3 Jun. 20, 2014 Jun. 20, 2014 Copyright © 2014 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally regis...
Page 3 Table of Contents GA-B85-HD3 Motherboard Layout ..................................................................................4 GA-B85-HD3 Motherboard Block Diagram ..................................
Page 4 GA-B85-HD3 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® Gb E LAN DD R3 _1 G...
Page 5 GA-B85-HD3 Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) DVI-D LGA1150 DDR3 1600/1333 MHz PCIe CLK HDMI CPU (100 MHz) Dual Channel Memory DMI 2.0 FDI x16 Re ar pe ak er ut PCI Expre...
Page 6 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...
Page 7 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...
Page 8 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 ...
Page 9 Unique Features - 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® Smart Connect T...
Page 10 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, ...
Page 11 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...
Page 12 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)...
Page 13 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 ...
Page 14 SYS_FAN3 Pin No. Definition DEBUG DEBUG PORT GND PORT DEBUG +12V SYS_FAN3 DEBUG PORT N/A PORT Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheat...
Page 15 DEBUG PORT 8) F_PANEL (Front Panel Header) Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor and system status indicator on the chassis to this header according to the p...
Page 16 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...
Page 17 12) CLR_CMOS (Clear CMOS Jumper) Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear the CMOS values, use a metal object like a screwdriver to touch...
Page 18 DEBUG PORT 15) COMA (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer. Pin No....
Page 19 2-1 Startup Screen The following startup Logo screen will appear when the computer boots. (Sample BIOS Version: F1d) Function Keys On the main menu of the BIOS Setup program, press arrow keys to move ...
Page 20 M.I.T. Current Status This screen provides information on CPU/memory frequencies/parameters. Advanced Frequency Settings Processor Graphics Clock Allows you to set the onboard graphics clock. The adju...
Page 21 Hyper-Threading Technology (Note 1) Allows you to determine whether to enable multi-threading technology when using an Intel® CPU that supports this function. This feature only works for operating sys...
Page 22 Memory Boot Mode Provides memory detection and training methods. Auto Lets BIOS automatically configure this setting. (Default) Enable Fast Boot Skip memory detection and training in some specific cri...
Page 23 CPU Vcore/CPU VRIN/DRAM Voltage/+3.3V/+5V/+12V/CPU VAXG Displays the current system voltages. CPU/System Temperature Displays current CPU/system temperature. CPU/System Fan Speed Displays current CPU/...
Page 24 3DMark01 Boost Allows you to determine whether to enhance some legacy benchmark performance. (Default: Disabled) 2-3 System Information This section provides information on your motherboard model and ...
Page 25 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...
Page 26 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...
Page 27 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...
Page 28 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...
Page 29 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...
Page 30 Super IO Configuration This section provides information on the super I/O chip and allows you to configure the serial port and parallel port. Serial Port A Enables or disables the onboard serial port....
Page 31 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...
Page 32 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...
Page 33 Chapter 3 Appendix Drivers Installation Before installing the drivers, first install the operating system. (The following instructions use Windows 8.1 as the example operating system.) After installin...
Page 34 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...
Page 35 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...
Page 36 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 12.54 MB
Published May 31, 2026
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Frequently Asked Questions

How can I identify the current motherboard revision number?

The revision number is labeled as "REV: X.X." on your physical motherboard board.

What measures should be taken if the device causes harmful radio interference?

Users are advised to reorient or relocate the receiving antenna, increase separation, or use a circuit on a different outlet.

Where can I submit technical or non-technical support issues?

Go to http://ggts.gigabyte.com.tw and select your preferred language within the system.