Gigabyte Motherboard GA-B85M-HD3-A (rev.1.0) User Manual - English (version 1002)
Summary
Get comprehensive instructions for setting up your PC with the GA-B85M-HD3-A Motherboard. This essential manual is designed for builders and advanced users, providing guaranteed step-by-step guidance from initial hardware installation—including CPU mounting and RAM configuration—to complex BIOS setup and system optimization. Navigate system parameters, manage peripherals, and ensure optimal performance right out of the box. Your trusted resource for successful motherboard integration.
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GA-B85M-HD3-A
User's Manual Rev. 1002 12ME-85MHD3A-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-B85M-HD3-A (rev.1.0) User Manual - English (version 1002)
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GA-B85M-HD3-A User's Manual Rev. 1002 12ME-85MHD3A-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-B85M-HD3-A Motherboard GA-B85M-HD3-A Apr. 7, 2014 Apr. 7, 2014 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-B85M-HD3-A Motherboard Layout ............................................................................4 GA-B85M-HD3-A Motherboard Block Diagram ..................................
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GA-B85M-HD3-A Motherboard Layout KB_MS_USB HD MI ATX_12V_2X4 VG LGA1150 R_USB30 USB_LAN AUDIO Realtek® Gb E LAN BAT DD R3 _1 CPU_FAN SYS_FAN GA-B85M-HD3-A PCIEX16 SA TA SA TA F_ US B3 DD R3 _2 PCIEX1_...
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GA-B85M-HD3-A Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) LGA1150 DDR3 1600/1333 MHz PCIe CLK Dual Channel Memory (100 MHz) DVI-D x16 PCI Express Bus MI (C en ter /S ub wo ofe Sp ...
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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 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 1 x system fan header 1 x front panel h...
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Bundled Norton® Internet Security (OEM version) Software Intel® Rapid Start Technology Intel® Smart Connect Technology Operating Support for Windows 8.1/8/7 System Form Factor Micro ATX Form Factor; 2...
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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 8) F_PANEL 2) ATX 9) F_USB30 3) CPU_FAN 10) F_USB1/F_USB2 4) SYS_FAN 11) COM 5) SATA3 0/1/2/3 12) LPT 6) SATA2 4/5 13) CLR_CMOS 7) F_AUDIO 14) BAT Read the follo...
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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 power to all the compo...
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DE BU DE BU DE BU PO RT PO RT PO RT DE BU DE BU DE BU PO RT PO RT PO RT 5) SATA3 0/1/2/3 (SATA 6Gb/s Connectors) The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s a...
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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_USB1/2 (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, ple...
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13) 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...
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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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CPU PLL Selection Allows you to set the CPU PLL. Auto lets the BIOS automatically configure this setting. (Default: Auto) Filter PLL Level Allows you to set the Filter PLL. Auto lets the BIOS automati...
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CPU Thermal Monitor (Note 1) Enables or disables Intel® Thermal Monitor function, a CPU overheating protection function. When enabled, the CPU core frequency and voltage will be reduced when the CPU i...
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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, the value is displayed according to your memory specification. When Extreme Memory Profile...
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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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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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Boot Mode Selection Allows you to select which type of operating system to boot. UEFI and Legacy Allows booting from operating systems that support legacy option ROM or UEFI option ROM. (Default) Lega...
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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. Int...
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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....
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Soft-Off by PWR-BTTN Configures the way to turn off the computer in MS-DOS mode using the power button. Instant-Off Press the power button and then the system will be turned off instantly. (Default) D...
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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 8.1 as the example operating system.) After installin...
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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 | 11.79 MB |
| Published | May 30, 2026 |
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Frequently Asked Questions
Where can I find detailed product information and support?
You can visit the GIGABYTE website at http://www.gigabyte.com or use their eSupport portal at http://esupport.gigabyte.com.
How do I determine if my motherboard needs a BIOS update?
Check your motherboard revision number (e.g., "REV: 1.0") before updating the BIOS, drivers, or seeking technical info.
What types of memory does this board support and at what speeds?
It supports DDR3 memory with speeds up to 1600/1333 MHz in a Dual Channel configuration.
How can I monitor or manage power settings for the system?
Consult Chapter 2, Section 2-6 (Power Management) within the BIOS Setup guide for managing power options.