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C246N-WU2
User's Manual
Rev. 1001
12ME-246NWU2-1001R
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 C246N-WU2

  • Page 1 C246N-WU2 User's Manual Rev. 1001 12ME-246NWU2-1001R 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 C246N-WU2 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: C246N-Wu2 Motherboard Layout

    C246N-WU2 Motherboard Layout TYPEC USB31 DDR4_B1 DDR4_A1 CPU_FAN SATA_DOM0 SYS_FAN1 Intel DP_HDMI ® (Note) Intel C246 ® USB30_LAN1 C246N-WU2 USB30_LAN2 M_BIOS Intel ® (Note) ATX_12V MIC_IN SYS_FAN2 LINE_OUT SPDIF_O ® PCIEX16 Super I/O CODEC Box Contents 5 C246N-WU2 motherboard 5 Four SATA cables...
  • 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. • Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or warranty sticker provided by your dealer.
  • Page 6: 1-2 Product Specifications

    2 x DDR4 DIMM sockets supporting up to 32 GB of system memory Š Dual channel memory architecture Š Support for DDR4 2666/2400/2133 MHz memory modules Š Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules Š 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 UHD Graphics support: ® Š Graphics 1 x D-Sub port, supporting a maximum resolution of 1920x1200@60 Hz 1 x HDMI port, supporting a maximum resolution of 4096x2160@30 Hz * Support for HDMI 1.4 version and HDCP 2.2. 1 x DisplayPort, supporting a maximum resolution of 4096x2304@60 Hz * Support for DisplayPort 1.2 version, HDCP 2.2, and HDR.
  • Page 7 Chipset: Š 1 x USB 3.1 Gen 2 Type-A ports (red) on the back panel 1 x USB Type-C port on the back panel, with USB 3.1 Gen 2 support ™ 6 x USB 3.1 Gen 1 ports (4 ports on the back panel, 2 ports available through the internal USB header) Internal 1 x 24-pin ATX main power connector...
  • Page 8 * G IGABYTE reserves the right to make any changes to the product specifications and product-related information without prior notice. Please visit the Support\Utility List Please visit GIGABYTE's website for support lists of CPU, memory page on GIGABYTE's website to modules, SSDs, and M.2 devices. 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

    Dual Channel Memory Configuration This motherboard provides two 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 two memory sockets are divided into two channels and each channel has one memory socket as following: Channel A: DDR4_A1 Channel B: DDR4_B1 Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode. Dual Channel mode cannot be enabled if only one memory module is installed. When enabling Dual Channel mode with two memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used. Installing an Expansion Card Read the following guidelines before you begin to install an expansion card: •...
  • Page 11 Audio Console, enter the Device advanced settings tab in the lower left corner of the dialog box, and check the option Mute the internal output device, when an external headphone plugged in. to proceed with 7.1-channel settings. Please visit GIGABYTE's website for details on configuring the audio software. - 11 -...
  • Page 12: Internal Connectors

    Internal Connectors ATX_12V F_AUDIO SPDIF_O CPU_FAN SPEAKER SYS_FAN1/2 F_USB30 SATA3 0/1/2/3 SATA_DOM0 SATA_SGP1/2 CLR_CMOS F_PANEL Read the following guidelines before connecting external devices: • First make sure your devices are compliant with the connectors you wish to connect. • 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 13 1/2) ATX_12V/ATX (2x2 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. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation.
  • Page 14 DEBUG PORT DEBUG F_ U F_ U PORT 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 and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. The Intel Chipset supports RAID 0, ®...
  • Page 15 8) U2 (MiniSAS HD Connector) F_USB3 The miniSAS HD connector supports one PCIe x4 U.2 or four SATA 6Gb/s. USB 0_ B 9) M2A (M.2 Socket 3 Connector) The M.2 connectors support M.2 SATA SSDs or M.2 PCIe SSDs and support RAID configuration. Please note that an M.2 PCIe SSD cannot be used to create a RAID set either with an M.2 SATA SSD or a SATA hard drive. To create a RAID array with an M.2 PCIe SSD, you must set up the configuration in UEFI BIOS mode. Refer to Chapter 3, "Configuring a RAID Set," for instructions on configuring a RAID array. Follow the steps below to correctly install an M.2 SSD in the M.2 connector. Step 1: Use a screw driver to unfasten the screw from the motherboard. Slide the M.2 SSD into the connector at an angle. Step 2: Press the M.2 SSD down and then secure it with the screw.
  • Page 16 10) F_PANEL (Front Panel Header) Connect the power switch, reset switch, 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. RES+ Power Switch Reset Switch RES- PLED-...
  • Page 17 12) 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. For information about connecting the S/PDIF digital audio cable, carefully read the manual for your expansion card. Pin No. Definition 5VDUAL No Pin SPDIFO 13) SPEAKER (Speaker Header) Connects to the speaker on the chassis front panel. The system reports system startup status by issuing a beep code.
  • Page 18 B S S B S_ 15) TPM (Trusted Platform Module Header) You may connect a TPM (Trusted Platform Module) to this header. Pin No. Definition Pin No. Definition S B_ 1 2 3 LAD0 LAD3 VCC3 LAD1 LFRAME No Pin LAD2 SERIRQ LCLK...
  • Page 19 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. 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 20: Chapter 2 Bios Setup

    When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to keep the configuration values in the CMOS. 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 21: The Main Menu

    The Main Menu Setup Menus Help Function Keys Configuration Items Current Settings Classic Setup Function Keys <f><g> Move the selection bar to select a setup menu <h><i> Move the selection bar to select an configuration item on a menu <Enter> Execute command or enter a menu < + >/<Page Up> Increase the numeric value or make changes <...
  • Page 22 M.I.T. 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 23 ` Advanced CPU Core Settings & CPU Clock Ratio, CPU Frequency, FCLK Frequency for Early Power On The settings above are synchronous to those under the same items on the Advanced Frequency Settings menu. & AVX Offset (Note) AVX offset is the negative offset of AVX ratio. &...
  • Page 24 & C3 State Support (Note) Allows you to determine whether to let the CPU enter C3 mode in system halt state. When enabled, the CPU core frequency and voltage will be reduced during system halt state to decrease power consumption. The C3 state is a more enhanced power-saving state than C1.
  • Page 25 & 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. Disabled Disables this function. (Default) Uses Profile 1 settings. Profile1 Uses Profile 2 settings. (Note) Profile2 & System Memory Multiplier DDR4-2133 Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD data. (Default: Auto) & Memory Ref Clock Allows you to manually adjust the memory reference clock. (Default: Auto) & Memory Odd Ratio(100/133 or 200/266) Enabled allows Qclk to run in odd frequency. (Default: Auto) & Memory Frequency (MHz) The first memory frequency value is the normal operating frequency of the memory being used; the second is the memory frequency that is automatically adjusted according to the System Memory Multiplier settings.
  • Page 26 & CPU Fan Speed Control (CPU_FAN Connector) Allows you to determine whether to enable the fan speed control function and adjust the fan speed. Allows the fan to run at different speeds according to the CPU temperature. You Normal can adjust the fan speed with System Information Viewer based on your system requirements. (Default) Allows the fan to run at slow speeds.
  • Page 27 & Fan Speed Percentage Allows you to control the fan speed. This item is configurable only when System 2 Fan Speed Control is set to Manual. Options are: 0.75 PWM value / C ~ 2.50 PWM value / & Fan Control Use Temperature Input Allows you to select the reference temperature for fan speed control. (Default: System) & Temperature Interval Allows you to select the temperature interval for fan speed change. (Default: 1) - 27 -...
  • Page 28: System

    System 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 29: Bios

    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 30 & SATA Support Last Boot HDD Only E xcept for the previous boot drive, all SATA devices are disabled before the OS boot process completes. (Default) All Sata Devices A ll SATA devices are functional in the operating system and during the POST. This item is configurable only when Fast Boot is set to Enabled or Ultra Fast. & 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. &...
  • Page 31 & 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. & 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 32: Peripherals

    Peripherals & CPU PCIE x16 Switch Allows you to determine how the bandwidth of the PCIEX16 slot is divided. (Default: 1x16) & Initial Display Output Specifies the first initiation of the monitor display from the installed PCI Express graphics card or the onboard graphics. IGFX Sets the onboard graphics as the first display. Sets the graphics card on the PCIEX16 slot as the first display. (Default) PCIe 1 Slot & OnBoard LAN Controller (Intel GbE LAN Chip, LAN2) ® Enables or disables the onboard LAN function. (Default: Enabled) If you wish to install a 3rd party add-in network card instead of using the onboard LAN, set this item to Disabled.
  • Page 33 ` Super IO Configuration & Serial Port (Onboard COM Connector) Enables or disables the onboard serial port. (Default: Enabled) ` Intel(R) Bios Guard Technology Enables or disables the Intel BIOS Guard feature, which protects the BIOS from malicious attacks. ® ` Serial Port Console Redirection This section allows you to enable/disable serial port console redirection for remote server management through a serial port.
  • Page 34 & PXE boot wait time Allows you to configure how long to wait before you can press <Esc> to abort the PXE boot. This item is configurable only when Network Stack is enabled. (Default: 0) & Media detect count Allows you to set the number of times to check the presence of media. This item is configurable only when Network Stack is enabled. (Default: 1) ` NVMe Configuration Displays information on your M.2 NVME PCIe SSD if installed. ` Plug in Devices Info Displays information on device(s) installed in the PCIe/M.2 slots/connectors. ` AMT Configuration This section allows you to enable/disable Intel Active Management Technology (Intel AMT) for remote ®...
  • Page 35: Chipset

    Chipset & VT-d (Note) Enables or disables Intel Virtualization Technology for Directed I/O. (Default: Enabled) ® & Internal Graphics Enables or disables the onboard graphics function. (Default: Auto) & DVMT Pre-Allocated Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M) & DVMT Total Gfx Mem Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX. (Default: 256M) & 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.
  • Page 36 & IOAPIC 24-119 Entries Enables or disables this function. (Default: Enabled) & Aperture Size Allows you to set Aperture Size. (Default: 256MB) - 36 -...
  • Page 37: Power

    Power & Platform Power Management Enables or disables the Active State Power Management function (ASPM). (Default: Disabled) & PEG ASPM Allows you to configure the ASPM mode for the device connected to the CPU PEG bus. This item is configurable only when Platform Power Management is set to Enabled. (Default: Disabled) & PCH ASPM Allows you to configure the ASPM mode for the device connected to Chipset's PCI Express bus. This item is configurable only when Platform Power Management is set to Enabled. (Default: Disabled) &...
  • Page 38 & Power On Password Set the password when Power On By Keyboard is set to Password. Press <Enter> on this item and set a password with up to 5 characters and then press <Enter> to accept. To turn on the system, enter the password and press <Enter>. Note: To cancel the password, press <Enter> on this item. When prompted for the password, press <Enter> again without entering the password to clear the password settings. & Power On By Mouse Allows the system to be turned on by a PS/2 mouse wake-up event. Note: To use this function, you need an ATX power supply providing at least 1A on the +5VSB lead.
  • 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. & Exit Without Saving Press <Enter> on this item and select Yes. This exits the BIOS Setup without saving the changes made in BIOS Setup to the CMOS. Select No or press <Esc> to return to the BIOS Setup Main Menu. &...
  • Page 40: Chapter 3 Appendix

    Chapter 3 Appendix 3-1 Configuring a RAID Set RAID Levels RAID 0 RAID 1 RAID 5 RAID 10 Minimum Number of Hard ≥2 ≥3 Drives Array Capacity Number of hard Size of the smallest (Number of hard (Number of hard drives * Size of the drive drives -1) * Size of drives/2) * Size of the smallest drive the smallest drive smallest drive Fault Tolerance...
  • Page 41 1. Copy the IRST folder under \Boot in the driver disc to your USB thumb drive. 2. Boot from the Windows setup disc and perform standard OS installation steps. When the screen requesting you to load the driver appears, select Browse. Please visit GIGABYTE's website for details on configuring a RAID array. - 41 -...
  • Page 42: Installing An Intel ® Optane ™ Memory

    3. Then browse to the USB flash drive and select the location of the driver. The location of the driver is as follows: \IRST\f6flpy-x64 4. When a screen as shown, select Intel(R) NVMe Controller and click Next to load the driver and continue the OS installation. Installing an Intel Optane Memory ® ™ System Requirements 1. Intel Optane memory ® ™ 2.
  • Page 43: 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. - 43 -...
  • Page 44: 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 45 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. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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  • 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...

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