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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.

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Summary of Contents for Gigabyte GA-B85-HD3-A

  • Page 1 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 2 Information in this manual is protected by copyright laws and is the property of GIGABYTE. Changes to the specifications and features in this manual may be made by GIGABYTE without prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or published in any form or by any means without GIGABYTE's prior written permission.
  • Page 3: Table Of Contents

    Table of Contents GA-B85-HD3-A Motherboard Layout ................4 GA-B85-HD3-A Motherboard Block Diagram ..............5 Chapter 1 Hardware Installation ..................6 Installation Precautions ..................6 Product Specifications ..................7 Installing the CPU .................... 9 Installing the Memory ..................10 Installing an Expansion Card ................. 10 Back Panel Connectors ..................
  • Page 4: Ga-B85-Hd3-A Motherboard Layout

    GA-B85-HD3-A Motherboard Layout KB_MS_USB CPU_FAN ATX_12V_2X4 LGA1150 R_USB30 USB_LAN AUDIO Realtek ® GA-B85-HD3-A GbE LAN PCIEX16 PCIEX1_1 CODEC Intel ® PCIEX1_2 PCIe to PCI Bridge SATA3 1 0 PCIEX4 SATA2 5 4 PCI1 M_BIOS PCI2 B_BIOS CLR_CMOS SPDIF_IN F_AUDIO F_PANEL...
  • Page 5: Ga-B85-Hd3-A Motherboard Block Diagram

    GA-B85-HD3-A Motherboard Block Diagram 1 PCI Express x16 CPU CLK+/- (100 MHz) DVI-D LGA1150 PCIe CLK HDMI DDR3 1600/1333 MHz (100 MHz) Dual Channel Memory DMI 2.0 PCI Express Bus D-Sub RJ45 Dual BIOS PCIe CLK Realtek 2 SATA 3Gb/s ®...
  • Page 6: Chapter 1 Hardware Installation

    Chapter 1 Hardware Installation Installation Precautions The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's manual and follow these procedures: • Prior to installation, make sure the chassis is suitable for the motherboard. •...
  • Page 7: 1-2 Product Specifications

    Support for DDR3 1600/1333 MHz memory modules Š Support for non-ECC memory modules Š Support for Extreme Memory Profile (XMP) memory modules Š (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Onboard Integrated Graphics Processor- Intel HD Graphics support: Š...
  • Page 8 Internal 1 x 24-pin ATX main power connector Š Connectors 1 x 8-pin ATX 12V power connector Š 4 x SATA 6Gb/s connectors Š 2 x SATA 3Gb/s connectors Š 1 x CPU fan header Š 3 x system fan headers Š...
  • Page 9: Installing The Cpu

    * GIGABYTE reserves the right to make any changes to the product specifications and product-related information without prior notice. * Please visit the Support & Downloads\Utility page on GIGABYTE's website to check the supported operating system(s) for the software listed in the "Unique Features" and "Bundled Software" columns.
  • Page 10: Installing The Memory

    • Make sure that the motherboard supports the memory. It is recommended that memory of the same capacity, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) • Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage.
  • 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 monitor that supports DVI-D connection to this port. HDMI Port The HDMI port is HDCP compliant and supports Dolby True HD and DTS HD Master Audio formats.
  • Page 12: Internal Connectors

    Internal Connectors ATX_12V_2X4 F_AUDIO SPDIF_IN CPU_FAN SPDIF_O SYS_FAN1/2/3 CLR_CMOS SATA3 0/1/2/3 F_USB30 SATA2 4/5 F_USB1/F_USB2 COMA F_PANEL Read the following guidelines before connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. •...
  • Page 13 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 components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed.
  • Page 14 SYS_FAN3: Pin No. Definition DEBUG DEBUG PORT PORT +12V DEBUG SYS_FAN3 DEBUG PORT PORT • Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang. •...
  • Page 15 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 negative pins before connecting the cables. • PLED/PWR_LED (Power LED, Yellow/Purple): Power Switch Speaker Power LED...
  • Page 16 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/PDIF In cable, please contact the local dealer. Pin No.
  • Page 17 14) 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, please contact the local dealer. Pin No. Definition Pin No. Definition Power (5V) USB DY+ Power (5V)
  • Page 18: Chapter 2 Bios Setup

    To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on. To upgrade the BIOS, use either the GIGABYTE Q-Flash or @BIOS utility. Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system.
  • Page 19 M.I.T. 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 overclock/overvoltage settings you made is dependent on your overall system configurations.
  • Page 20 & 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 dependent on the CPU being used. &...
  • Page 21 & 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. Disables this function. (Default) Disabled Uses Profile 1 settings. Profile1 Uses Profile 2 settings. (Note) Profile2 & System Memory Multiplier Allows you to set the system memory multiplier.
  • Page 22 ` 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 setting screens are configurable only when Memory Timing Mode is set to Manual or Advanced Manual. Note: Your system may become unstable or fail to boot after you make changes on the memory timings.
  • Page 23 & 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 / C ~ 2.50 PWM value / & 2nd System Fan Speed Control (SYS_FAN2 Connector) Allows you to determine whether to enable the fan speed control function and adjust the fan speed.
  • Page 24: System Information

    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 Language Selects the default language used by the BIOS. &...
  • Page 25: Bios Features

    A password is required for booting the system and for entering the BIOS Setup program. System (Default) & Full Screen LOGO Show Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the GIGABYTE Logo when the system starts up. (Default: Enabled) - 25 -...
  • 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 system to boot. Enables legacy option ROM only. Auto EFI Driver Enables EFI option ROM.
  • Page 27 & CSM Support Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process. Enables UEFI CSM. (Default) Always Disables UEFI CSM and supports UEFI BIOS boot process only. Never This item is configurable only when Windows 8 Features is set to Windows 8 or Windows 8 WHQL. &...
  • Page 28: Peripherals

    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. Sets the onboard graphics as the first display. IGFX PCIe 1 Slot Sets the graphics card on the PCIEX16 slot as the first display. (Default) PCIe 2 Slot Sets the graphics card on the PCIEX4 slot as the first display.
  • 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. & Audio LED Enables or disables the audio LED function on the motherboard. (Default: Enabled) &...
  • Page 30 & 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 serial port and parallel port. & Serial Port A Enables or disables the onboard serial port. (Default: Enabled) &...
  • Page 31: Power Management

    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 Enabled. Auto lets the BIOS automatically configure this setting.
  • Page 32: Save & Exit

    Keyboard 98 Press POWER button on the Windows 98 keyboard to turn on the system. Set a password with 1~5 characters to turn on the system. Password & Power On Password Set the password when Power On By Keyboard is set to Password. Press <Enter>...
  • Page 33: Chapter 3 Appendix

    You can click the Xpress Install button and "Xpress Install" will install all of the selected drivers. Or click the arrow icon to individually install the drivers you need. For more software information, please visit GIGABYTE's website. - 33 -...
  • Page 34: Regulatory Statements

    Contravention will be prosecuted. We believe that the information contained herein was accurate in all respects at the time of printing. GIGABYTE cannot, however, assume any responsibility for errors or omissions in this text. Also note that the information in this document is subject to change without notice and should not be construed as a commitment by GIGABYTE.
  • 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 reasonable protection against harmful interference in a residential installation.
  • Page 36: Contact Us

    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/Marketing) : http://esupport.gigabyte.com WEB address (English): http://www.gigabyte.com WEB address (Chinese): http://www.gigabyte.tw GIGABYTE eSupport • To submit a technical or non-technical (Sales/Marketing) question, please link to: http://esupport.gigabyte.com...

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