Gigabyte Z490 UD AC User Manual
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Gigabyte Z490 UD AC User Manual

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Z490 UD AC
Z490 UD
User's Manual
Rev. 1001
12ME-Z49UD-1001R
Z490 UD AC
Z490 UD
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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For more product details, please visit GIGABYTE's website.
Gigabyte Z490

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Summary of Contents for Gigabyte Z490 UD AC

  • Page 1 Rev. 1001 12ME-Z49UD-1001R Z490 UD AC Z490 UD 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 The trademarks mentioned in this manual are legally registered to their respective owners. Disclaimer 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.

  • Page 3: Table Of Contents

    Table of Contents Z490 UD (AC) Motherboard Layout .................4 Chapter 1 Hardware Installation ..................5 Installation Precautions ..................5 1-2 Product Specifications ..................6 Installing the CPU .................... 9 Installing the Memory ..................9 Installing an Expansion Card ................. 10 Back Panel Connectors .................. 10 Internal Connectors ..................

  • Page 4: Z490 Ud (Ac) Motherboard Layout

    SYS_FAN4 SYS_FAN3 CPU DRAM VGA BOOT Box Contents 5 Z490 UD AC or Z490 UD Motherboard 5 Motherboard driver disc 5 Two SATA cables 5 User's Manual 5 One antenna * The box contents above are for reference only and the actual items shall depend on the product package you obtain.

  • Page 5: 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 6: 1-2 Product Specifications

    S upport for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules (operate in Š non-ECC mode) Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 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 7 Fan speed detection Š Overheating warning Š Fan fail warning Š Fan speed control Š * Whether the fan speed control function is supported will depend on the cooler you install. j Only for the Z490 UD AC. - 7 -...
  • Page 8 Z490 UD AC Z490 UD Please visit GIGABYTE's website for support lists of CPU, memory modules, SSDs, and M.2 devices. Please visit the Support\Utility List page on GIGABYTE's website to download the latest version of apps. - 8 -...

  • Page 9: Installing The Cpu

    • 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 10: Installing An Expansion Card

    You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is 4096x2160@30 Hz, but the actual resolutions supported are dependent on the monitor being used. After installing the HDMI device, make sure to set the default sound playback device to HDMI. (The item name may differ depending on your operating system.) j Only for the Z490 UD AC. - 10 -...
  • Page 11 • When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent an electrical short inside the cable connector. (Note) To enable the Q-Flash Plus function please visit the "Unique Features" webpage of GIGABYTE's website. Please visit GIGABYTE's website for details on configuring the audio software. - 11 -...

  • Page 12: Internal Connectors

    Internal Connectors 10 11 9 20 ATX_12V_2X2/ATX_12V_2X4 SPDIF_O F_U32 CPU_FAN F_USB SYS_FAN1/2/3/4 THB_C1/THB_C2 D_LED1/D_LED2 LED_C1/LED_C2 SPI_TPM SATA3 0/1/2/3/4/5 QFLASH_PLUS M2A_SB/M2M_SB CLR_CMOS F_PANEL F_AUDIO CPU/DRAM/VGA/BOOT 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_2X2/ATX_12V_2X4/ATX (2x2, 2x4, 12V Power Connectors 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 The power connector possesses a foolproof design. Connect the power all devices are properly installed.
  • Page 14 1 (12V) of this header. Incorrect connection may lead to the damage RGB LED Strip of the LED strip. For how to turn on/off the lights of the LED strip please visit the "Unique Features" webpage of GIGABYTE's website. Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from the power outlet to prevent damage to the devices. - 14 -...
  • Page 15 B S_ S B_ S B_ 7) SATA3 0/1/2/3/4/5 (SATA 6Gb/s Connectors) The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. The Intel Chipset supports RAID 0, ®...
  • Page 16 Installation Notices for the M.2 and SATA Connectors: The availability of the SATA connectors may be affected by the type of device installed in the M.2 sockets. The M2A_SB connector shares bandwidth with the SATA3 1 connector. Refer to the following tables for details. • M2A_SB: Connector Type of SATA3 0 SATA3 1 SATA3 2 SATA3 3 SATA3 4 SATA3 5...
  • Page 17 9) 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 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 Connects to the power status indicator System Status LED on the chassis front panel.
  • Page 18 11) SPDIF_O (S/PDIF Out Header) This header supports digital S/PDIF Out and connects a S/PDIF digital audio cable (provided by expansion cards) for digital audio output from your motherboard to certain expansion cards like graphics cards and sound cards. For example, some graphics cards may require you to use a S/PDIF digital audio cable for digital audio output from your motherboard to your graphics card if you wish to connect an HDMI display to the graphics card and have digital audio output from the HDMI display at the same time.
  • Page 19 14) THB_C1/THB_C2 (Thunderbolt Add-in Card Connectors) B S_ ™ The connectors are used to connect to a GIGABYTE Thunderbolt™ add-in card THB_C2 S B_ THB_C1 Supports a Thunderbolt add-in card. ™ 15) COM (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.
  • Page 20 B S S 18) 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 the two pins for a few seconds. F_USB3 F Open: Normal Short: Clear CMOS Values • Always turn off your computer and unplug the power cord from the power outlet before clearing the CMOS values.

  • Page 21: 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 22: The Main Menu

    The Main Menu System Setup Menus Time Configuration Items Hardware Information Option Description Current Settings Quick Access Bar allows you to quickly move to the General Help, Easy Mode, Smart Fan 5, or Q-Flash screen. Advanced Mode Function Keys <f><g> Move the selection bar to select a setup menu <h><i>...

  • Page 23: Favorites (F11)

    Favorites (F11) Set your frequently used options as your favorites and use the <F11> key to quickly switch to the page where all of your favorite options are located. To add or remove a favorite option, go to its original page and press <Insert> on the option. The option is marked with a star sign if set as a "favorite."...

  • Page 24: Tweaker

    Tweaker Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall system configurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory and reduce the useful life of these components. This page is for advanced users only and we recommend you not to alter the default settings to prevent system instability or other unexpected results.
  • Page 25 & FCLK Frequency for Early Power On Allows you to set the FCLK frequency. Options are: Normal(800Mhz), 1GHz, 400MHz. (Default: 1GHz) & Hyper-Threading Technology 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 systems that support multi-processor mode. Auto lets the BIOS automatically configure this setting. (Default: Auto) &...
  • Page 26 & Frequency Clipping TVB (Note) Allows you to enable or disable automatic CPU frequency reduction initiated by Thermal Velocity Boost. Auto lets the BIOS automatically configure this setting. (Default: Auto) & Voltage reduction initiated TVB (Note) Allows you to enable or disable automatic CPU voltage reduction initiated by Thermal Velocity Boost. Auto lets the BIOS automatically configure this setting. (Default: Auto) d Active Turbo Ratios &...
  • Page 27 d Turbo Power Limits Allows you to set a power limit for CPU Turbo mode. When the CPU power consumption exceeds the specified power limit, the CPU will automatically reduce the core frequency in order to reduce the power. Auto sets the power limit according to the CPU specifications. (Default: Auto) & Package Power Limit TDP (Watts) / Package Power Limit Time Allows you to set the power limit for CPU Turbo mode and how long it takes to operate at the specified power limit. If the specified value is exceeded, the CPU will automatically reduce the core frequency in order to reduce the power. Auto sets the power limit according to the CPU specifications. This item is configurable only when Turbo Power Limits is set to Enabled.
  • Page 28 & Rank Interleaving Enables or disables memory rank interleaving. Enabled allows the system to simultaneously access different ranks of the memory to increase memory performance and stability. Auto lets the BIOS automatically configure this setting. (Default: Auto) & Memory Boot Mode Provides memory detection and training methods. Auto Lets the BIOS automatically configure this setting. (Default) T he BIOS automatically performs memory training. Please note that if the system...

  • Page 29: Settings

    Settings ƒ Platform Power & Platform Power Management Enables or disables the Active State Power Management function (ASPM). (Default: Disabled) & Power On By Keyboard Allows the system to be turned on by a PS/2 keyboard wake-up event. Note: To use this function, you need an ATX power supply providing at least 1A on the +5VSB lead. Disables this function. (Default) Disabled Set a password with 1~5 characters to turn on the system.
  • Page 30 & 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 each day or on a specific day in a month. Wake up hour/minute/second: Set the time at which the system will be powered on automatically. Note: When using this function, avoid inadequate shutdown from the operating system or removal of the AC power, or the settings may not be effective.
  • Page 31 & Audio Controller Enables or disables the onboard audio function. (Default: Enabled) If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to Disabled. & Above 4G Decoding Enables or disables 64-bit capable devices to be decoded in above 4 GB address space (only if your system supports 64-bit PCI decoding).
  • Page 32 ƒ NVMe Configuration Displays information on your M.2 NVME PCIe SSD if installed. ƒ SATA And RST Configuration & SATA Controller(s) Enables or disables the integrated SATA controllers. (Default: Enabled) & SATA Mode Selection Enables or disables RAID for the SATA controllers integrated in the Chipset or configures the SATA controllers to AHCI mode. Enables RAID for the SATA controller. Intel RST Premium With Intel Optane System Acceleration AHCI C onfigures the SATA controllers to AHCI mode. Advanced Host Controller Interface (AHCI) is an interface specification that allows the storage driver to enable advanced Serial ATA features such as Native Command Queuing and hot plug. (Default) & Aggressive LPM Support Enables or disables the power saving feature, ALPM (Aggressive Link Power Management), for the Chipset SATA controllers.
  • Page 33 & Max Link Speed Allows you to set the operation mode of the PCI Express slots to Gen 1, Gen 2, or Gen 3. Actual operation mode is subject to the hardware specification of each slot. Auto lets the BIOS automatically configure this setting. (Default: Auto) & 3DMark01 Enhancement Allows you to determine whether to enhance some legacy benchmark performance. (Default: Disabled) ƒ...
  • Page 34 & Fan Speed Displays current fan speeds. & Temperature Warning Control Sets the warning threshold for temperature. When temperature exceeds the threshold, BIOS will emit warning sound. Options are: Disabled (default), 60 C/140 F, 70 C/158 F, 80 C/176 F, 90 C/194 &...

  • Page 35: System Info

    System Info. 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. & Access Level Displays the current access level depending on the type of password protection used. (If no password is set, the default will display as Administrator.) The Administrator level allows you to make changes to all BIOS settings;...

  • Page 36: Boot

    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) & Boot Option Priorities Specifies the overall boot order from the available devices. Removable storage devices that support GPT format will be prefixed with "UEFI:" string on the boot device list. To boot from an operating system that...
  • Page 37 & 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 is set to Enabled or Ultra Fast. & USB Support All USB devices are disabled before the OS boot process completes. Disabled Full Initial All USB devices are functional in the operating system and during the POST.
  • Page 38 & Other PCI devices Allows you to select whether to enable the UEFI or Legacy option ROM for the PCI device controller other than the LAN, storage device, and graphics controllers. Do not launch Disables option ROM. UEFI Enables UEFI option ROM only. (Default) Enables legacy option ROM only. Legacy This item is configurable only when CSM Support is set to Enabled. & 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 password. Type the password again and press <Enter>. You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. Differing from the user password, the administrator password allows you to make changes to all BIOS settings.

  • Page 39: Save & Exit

    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 to the BIOS Setup Main Menu. &...

  • Page 40: Chapter 3 Appendix

    The actual BIOS Setup menu options you will see shall depend on the motherboard you have and the BIOS version. C-1. Using EZ RAID GIGABYTE motherboards provide you with the EZ RAID feature, allowing you to quickly configure a RAID array with simplified steps. Steps: 1. After restarting the computer, enter the BIOS Setup and go to Settings. Press <Enter> on the EZ RAID item.
  • Page 41 5. Enter the array capacity and press <Enter>. Finally press <Enter> on the Create Volume item to begin creating the RAID array. When prompted to confirm whether to create this volume, press <Y> to confirm or <N> to cancel. 6. When completed, you can see detailed information about the RAID array in the DISK/VOLUME INFORMATION section, including the RAID level, stripe block size, array name, and array capacity, etc. To exit the RAID BIOS utility, press <Esc> or select 6. Exit in MAIN MENU. Please visit GIGABYTE's website for details on configuring a RAID array. - 41 -...

  • Page 42: Installing An Intel ® Optane ™ Memory

    Install the RAID/AHCI driver and operating system With the correct BIOS settings, you are ready to install the operating system. Installing the Operating System As some operating systems already include Intel RAID/AHCI driver, you do not need to install separate RAID/ ® AHCI driver during the Windows installation process. After the operating system is installed, we recommend that you install all required drivers from the motherboard driver disk using "Xpress Install" to ensure system performance and compatibility. If the operating system to be installed requires that you provide additional RAID/ AHCI driver during the OS installation process, please refer to the steps below:...
  • Page 43 A-2: Installation in Intel RST Premium With Intel Optane System Acceleration mode If the SATA controller has been configured in Intel RST Premium With Intel Optane System Acceleration mode, please follow the steps below: 1. After system restarts, go to the BIOS Setup, make sure CSM Support under the Boot menu is disabled. 2.

  • Page 44: Drivers Installation

    Run.exe program.) "Xpress Install" will automatically scan your system and then list all of the drivers that are recommended to install. 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. Please visit GIGABYTE's website for Please visit GIGABYTE's website for more software information. more troubleshooting information. - 44 -...

  • Page 45: Regulatory Notices

    Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information Product Name: Motherboard Trade Name: GIGABYTE Model Number: Z490 UD AC/Z490 UD Responsible Party – U.S. Contact Information: G.B.T. Inc. Address: 17358 Railroad street, City Of Industry, CA91748 Tel.: 1-626-854-9338 Internet contact information: https://www.gigabyte.com...
  • Page 46 European Union (EU) RoHS (recast) Directive 2011/65/EU & the Directivas de la Unión Europea: Directiva EMC 2014/30/EU, Directiva European Commission Delegated Directive (EU) 2015/863 Statement de equipos radioeléctricos 2014/53/EU, Directiva de bajo voltaje GIGABYTE products have not intended to add and safe from hazardous 2014/35/EU, Directiva RoHS (recast) 2011/65/EU. El cumplimiento de substances (Cd, Pb, Hg, Cr+6, PBDE, PBB, DEHP, BBP, DBP and estas directivas se evalúa mediante las normas europeas armonizadas.
  • Page 47 European Community Directive RED Directive Compliance Statement: This equipment is suitable for home and office use in all the European Community Member States and EFTA Member States. The low band 5.15 -5.35 GHz is for indoor use only for the countries listed in the table below: Wireless module country approvals: Wireless module model name: 9462NGW Wireless module manufacturer: Intel ® Corporation Korea Wireless Statement: 5.15 — 5.35 GHz 대역에서의 작동은 실내로。 Japan Wireless Statement: 5.15 GHz帯 ~ 5.35 GHz帯: 屋内のみの使用。 Taiwan NCC Wireless Statements / 無線設備警告聲明： 低功率電波輻射性電機管理辦法 第十二條: 經...

  • Page 48: 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) : https://esupport.gigabyte.com WEB address (English): https://www.gigabyte.com WEB address (Chinese): https://www.gigabyte.com/tw GIGABYTE eSupport • To submit a technical or non-technical (Sales/Marketing) question, please link to: https://esupport.gigabyte.com - 48 -...

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