Gigabyte B550 UD AC User Manual
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Gigabyte B550 UD AC User Manual

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B550 UD AC
User's Manual
Rev. 1001
12ME-B55UDAC-1001R
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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  • Page 1 B550 UD AC User's Manual Rev. 1001 12ME-B55UDAC-1001R 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 B550 UD AC Motherboard Layout ...................4 Chapter 1 Hardware Installation ..................5 Installation Precautions ..................5 Product Specifications ..................6 Installing the CPU .................... 9 Installing the Memory ..................9 Installing an Expansion Card ................. 10 Back Panel Connectors .................. 10 Internal Connectors ..................

  • Page 4: B550 Ud Ac Motherboard Layout

    B550 UD AC Motherboard Layout ATX_12V D_LED2 LED_C2 USB20_1 CPU_FAN SYS_FAN1 CPU_OPT M2_WIFI Socket AM4 USB20_2 USB 2.0 Hub HDMI U32C U32G2 QFLED QFLASH_PLUS U32_LAN LED_CPU M_BIOS AUDIO SYS_FAN2 PCIEX16 Realtek ® GbE LAN PCIEX1_1 PCIEX1_2 AMD B550 PCIEX1_3 CODEC SATA3 2 3 ®...

  • 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

    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 in the AMD Ryzen 4000 G-Series Processors: ™...
  • Page 7 Storage Interface Š 1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type 2242/2260/2280/22110 SSDs: AMD Ryzen 5000 Series/3000 Series Processors support SATA and PCIe ™ 4.0 x4/x2 SSDs AMD Ryzen 4000 G-Series Processors support SATA and PCIe 3.0 x4/x2 ™...
  • Page 8 Form Factor ATX Form Factor; 30.5cm x 24.4cm Š * GIGABYTE reserves the right to make any changes to the product specifications and product-related information without prior notice. Please visit the Support\Utility List page on GIGABYTE's website to download the latest version of apps.

  • 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

    Dual Channel Memory Configuration This motherboard provides four memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth. The four memory sockets are divided into two channels and each channel has two memory sockets as following: Channel A: DDR4_A1, DDR4_A2 Channel B: DDR4_B1, DDR4_B2...
  • 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 1) For AMD Ryzen 4000 G-Series Processors only. ™ (Note 2) To enable the Q-Flash Plus function please visit the "Unique Features" webpage of GIGABYTE's website. - 11 -...
  • Page 12 • To configure 7.1-channel audio, you need to open the audio software and select Device advanced settings > Playback Device to change the default setting first. Please visit GIGABYTE's website for details on configuring the audio software. - 12 -...

  • Page 13: Internal Connectors

    Internal Connectors ATX_12V M2A_CPU/M2B_SB F_PANEL CPU_FAN F_AUDIO SYS_FAN1/2/3 F_U32 CPU_OPT F_USB1/F_USB2 D_LED1/D_LED2 LED_CPU CLR_CMOS LED_C1/LED_C2 SATA3 0/1/2/3 F_U32C Read the following guidelines before connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. •...
  • Page 14 1/2) ATX_12V/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 15 3/4) CPU_FAN/SYS_FAN1/2/3 (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.
  • Page 16 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.
  • Page 17 9) 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 and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. The SATA connectors support RAID 0, RAID 1, and RAID 10. Refer to Chapter 3, "Configuring a RAID Set," for instructions on configuring a RAID array.
  • Page 18 11) 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. •...
  • Page 19 13) F_U32 (USB 3.2 Gen 1 Header) The header conforms to USB 3.2 Gen 1 and USB 2.0 specification and can provide two USB ports. For purchasing the optional 3.5" front panel that provides two USB 3.2 Gen 1 ports, please contact the local dealer.
  • Page 20 16) 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. Open: Normal Short: Clear 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 Time Setup Menus 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>...

  • 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 ƒ Advanced CPU Settings & Core Performance Boost (Note 1) Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU performance-boost technology. (Default: Auto) & SVM Mode Virtualization enhanced by Virtualization Technology will allow a platform to run multiple operating systems and applications in independent partitions.
  • Page 26 & System Memory Multiplier Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD data. (Default: Auto) & FCLK Frequency Allows you to set the FCLK frequency. Options are: Auto (default), 667MHz~4000MHz. & UCLK Mode Allows you to specify the UCLK mode.

  • Page 27: Settings

    Settings ƒ Platform Power & AC BACK Determines the state of the system after the return of power from an AC power loss. The system returns to its last known awake state upon the return of the AC power. Memory Always On The system is turned on upon the return of the AC power.
  • Page 28 & Soft-Off by PWR-BTTN Configures the way to turn off the computer in MS-DOS mode using the power button. Press the power button and then the system will be turned off instantly. Instant-Off (Default) Delay 4 Sec. Press and hold the power button for 4 seconds to turn off the system. If the power button is pressed for less than 4 seconds, the system will enter suspend mode.
  • Page 29 & UMA Mode (Note) Specify the UMA mode. Lets the BIOS automatically configure this setting. (Default) Auto UMA Specified Sets the UMA Frame Buffer Size. UMA Auto Sets the display resolution. UMA Game Optimized Adjusts the frame buffer size based on the total system memory size. This item is configurable only when Integrated Graphics is set to Forces.
  • Page 30 & Mass Storage Devices Displays a list of connected USB mass storage devices. This item appears only when a USB storage device is installed. ƒ NVMe Configuration Displays information on your M.2 NVME PCIe SSD if installed. ƒ SATA Configuration & SATA Mode Enables or disables RAID for the SATA controllers integrated in the Chipset or configures the SATA controllers to AHCI mode.
  • Page 31 ƒ Miscellaneous & LEDs in System Power On State Allows you to enable or disable motherboard LED lighting when the system is on. Disables the selected lighting mode when the system is on. Off Enables the selected lighting mode when the system is on. (Default) &...
  • Page 32 & Case Open Displays the detection status of the chassis intrusion detection device attached to the motherboard CI header. If the system chassis cover is removed, this field will show "Yes", otherwise it will show "No". To clear the chassis intrusion status record, set Reset Case Open Status to Enabled, save the settings to the CMOS, and then restart your system.

  • Page 33: 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. & System Language Selects the default language used by the BIOS. &...

  • Page 34: Boot

    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) & Fast Boot Enables or disables Fast Boot to shorten the OS boot process. Ultra Fast provides the fastest bootup speed.
  • Page 35 & 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. (Default) This item is configurable only when Fast Boot is set to Enabled or Ultra Fast. &...
  • Page 36 & User Password Allows you to configure a user 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.

  • Page 37: 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 38: Chapter 3 Appendix

    Chapter 3 Appendix 3-1 Configuring a RAID Set RAID Levels RAID 0 RAID 1 RAID 10 Minimum Number of ≥2 Hard Drives Number of hard drives * Size of the smallest drive (Number of hard drives/2) * Array Capacity Size of the smallest drive Size of the smallest drive Fault Tolerance Before you begin, please prepare the following items:...
  • Page 39 4. Select AMD-RAID Bottom Device first and click Next to load the driver. Then select AMD-RAID Controller and click Next to load the driver. Finally, continue the OS installation. Please visit GIGABYTE's website for details on configuring a RAID array. - 39 -...

  • Page 40: Drivers Installation

    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 more software information. Please visit GIGABYTE's website for more troubleshooting information. - 40 -...

  • Page 41: Regulatory Notices

    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 FCC Compliance Statement: This device complies with Part 15 of the FCC Rules, Subpart B, Unintentional Radiators. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 42 European Commission Delegated Directive (EU) 2015/863 Statement Directivas de la Unión Europea: Directiva EMC 2014/30/EU, Directiva de GIGABYTE products have not intended to add and safe from hazardous bajo voltaje 2014/35/EU, Directiva de equipamentos de rádio 2014/53/EU, substances (Cd, Pb, Hg, Cr+6, PBDE, PBB, DEHP, BBP, DBP and DIBP).
  • Page 43 To identify your Motherboard version or revision number, look for "REV: X.X" printed on the PCB on the top left corner of the Motherboard. For example, "REV:1.0" means the revision of the motherboard is 1.0. . Motherboard revision no.: Wireless module manufacturer, model name: B550 UD AC rev. 1.0 Intel Corporation 3168NGW ®...

  • Page 44: 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...

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