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STRIX B250I
GAMING

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Summary of Contents for Asus STRIX B250I GAMING

  • Page 1 STRIX B250I GAMING...
  • Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
  • Page 3: Table Of Contents

    Contents Safety information ....................... v About this guide ......................vi STRIX B250I GAMING specifications summary ............ viii Package contents ...................... xii Installation tools and components ................. xiii Chapter 1: Product Introduction Motherboard overview ................1-1 1.1.1 Before you proceed ..............1-1 1.1.2...
  • Page 4 3.6.11 USB Configuration ..............3-14 Monitor menu ................... 3-14 Boot menu ....................3-15 Tool menu ....................3-16 3.9.1 ASUS EZ Flash 3 Utility ............3-16 3.9.2 Secure Erase ................3-16 3.9.3 ASUS Overclocking Profile ............3-17 3.9.4 ASUS SPD Information ............. 3-17 3.9.5...
  • Page 5: Safety Information

    Safety information Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
  • Page 6: About This Guide

    Refer to the following sources for additional information and for product and software updates. ASUS website The ASUS website (www.asus.com) provides updated information on ASUS hardware and software products. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.
  • Page 7: Conventions Used In This Guide

    Conventions used in this guide To ensure that you perform certain tasks properly, take note of the following symbols used throughout this manual. DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task.
  • Page 8: Strix B250I Gaming Specifications Summary

    6th Generation Intel processors will run at the maximus transfer rate of DDR4 ® 2133MHz. *** Refer to www.asus.com for the lastest Memory QVL(Qualified Vendors List). Expansion 1 x PCIe 3.0 x16 slot (supports x 16) slots Integrated Graphics Processor- Intel HD Graphics support ®...
  • Page 9 Processors. Before using Intel Optane memory modules, ensure that you have ® updated your motherboard drivers and BIOS to the latest version from ASUS support website. ROG SupremeFX S1220A 8-Channel High Definition Audio CODEC - Supports up to 32-Bit/192kHz playback*...
  • Page 10 STRIX B250I GAMING specifications summary Performance Optimization - DIGI+VRM - EPU - Fan Xpert 4 Core ASUS Exclusive Features - AI Suite 3 - AI Charger - AURA Lighting Control ASUS Q-Design - Q-Shield - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device LED [yellow...
  • Page 11 7 32/64-bit are only supported when using ® ® 6th Generation Intel Processors. ® Mini ITX Form Factor, 6.7” x 6.7” (17cm x 17cm) Form factor Specifications are subject to change without notice. Please refer to the ASUS website for the latest specifications.
  • Page 12: Package Contents

    2 x SATA 6Gb/s cables Cables 1 x RGB LED extension cable (80cm) 1 x Panel Cable 1 x ASUS 2x2 dual band Wi-Fi moving antennas 2 x M.2 2242 Mounting Kits 1 x I/O shield Accessories 1 x ROG Strix sticker 1 x 10-in-1 ROG cable label 2 M.2 screw packages...
  • Page 13: Installation Tools And Components

    Installation tools and components Intel 1151 CPU ® Intel 1151 compatible CPU Fan ® Phillips (cross) screwdriver SATA hard disk drive PC chassis 1 bag of screws DIMM Power supply unit SATA optical disc drive (optional) Graphics card The tools and components listed above are not included in the motherboard package. xiii...
  • Page 15: Chapter 1: Product Introduction

    Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply. Failure to do so may cause severe damage to the motherboard, peripherals, or components. ASUS STRIX B250I GAMING...
  • Page 16: Motherboard Layout

    1.1.2 Motherboard layout 17.0cm(6.7in) BOOT_DEVICE_LED VGA_LED DRAM_LED CPU_LED CPU_FAN AIO_PUMP EATX12V RGBLED HDMI DIGI +VRM USB78 USB3_56 LGA1151 LAN_USB3_34 Intel ® (Bottom) I219V M.2(WIFI) 128Mb BIOS BATT_CON Super Intel ® B250 2260 AAFP 2280 AUDIO CLRTC CHA_FAN S1220A Codec PCIEX16 Chapter 1: Product Introduction...
  • Page 17: Layout Contents

    12. USB 3.0 connector (20-1 pin USB3_12) 1-12 13. Clear RTC RAM (2-pin CLRTC) 14. TPM connector (14-1 pin TPM) 1-12 15. Front panel audio connector (10-1 pin AAFP) 1-11 16. RTC Battery header (2-pin BATT_CON) ASUS STRIX B250I GAMING...
  • Page 18: Central Processing Unit (Cpu)

    Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/ transit-related.
  • Page 19: System Memory

    A DDR4 module is notched differently from a DDR, DDR2, or DDR3 module. DO NOT install a DDR, DDR2, or DDR3 memory module to the DDR4 slot. STRIX B250I GAMING 288-pin DDR4 DIMM sockets Recommended memory configurations ASUS STRIX B250I GAMING...
  • Page 20: Memory Configurations

    • Hyper DIMM support is subject to the physical characteristics of individual CPUs. Load the X.M.P. or D.O.C.P. settings in the BIOS for the hyper DIMM support. • Visit the ASUS website for the latest QVL. Chapter 1: Product Introduction...
  • Page 21: Expansion Slots

    EATX12V RGBLED HDMI DIGI +VRM USB78 USB3_56 LGA1151 LAN_USB3_34 Intel ® (Bottom) I219V M.2(WIFI) 128Mb BIOS BATT_CON Super Intel ® B250 2260 AAFP 2280 AUDIO CLRTC CHA_FAN S1220A Codec PCIEX16 Slot No. Slot Description PCIE_x16 slot ASUS STRIX B250I GAMING...
  • Page 22: Headers

    CLRTC PIN 1 STRIX B250I GAMING Clear RTC RAM To erase the RTC RAM: Turn OFF the computer and unplug the power cord. Use a metal object such as a screwdriver to short the two pins.
  • Page 23 RGB_HEADER +12V PIN 1 STRIX B250I GAMING RGB HEADER The RGB header supports 5050 RGB multi-color LED strips (12V/G/R/B), with a maximum power rating of 2A (12V), and no longer than 2 m. Before you install or remove any component, ensure that the ATX power supply is switched off or the power cord is detached from the power supply.
  • Page 24: Onboard Leds

    LEDs. RGB1 RGB2 RGB3 RGB4 RGB5 RGB6 RGB LED(Bottom) RGB7 RGB8 RGB9 RGB10 RGB11 RGB12 STRIX B250I GAMING RGB LED Lighting Chapter 1: Product Introduction 1-10...
  • Page 25: Internal Connectors

    AGND PIN 1 HD-audio-compliant pin definition STRIX B250I GAMING Analog front panel connector We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard’s high-definition audio capability. Intel Serial ATA 6 Gb/s connectors (7-pin SATA 6G_1~4) ®...
  • Page 26 IntA_P1_D- IntA_P2_D- IntA_P1_D+ IntA_P2_D+ STRIX B250I GAMING USB3.0 Front panel connector The USB 3.0 module is purchased separately. TPM connector (14-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which securely stores keys, digital certificates, passwords and data. A TPM system also helps enhance network security, protect digital identities, and ensures platform integrity.
  • Page 27 M.2_1(SOCKET3) M.2_2(SOCKET3) 2280 2260 (Bottom) STRIX B250I GAMING M.2(SOCKET3) • M.2_1 socket supports PCIe 3.0 x4 and SATA M Key design and type 2242/ 2260/ 2280 SATA storage devices. • M.2_2 socket supports PCIe 3.0 x4 M Key design and type 2242/ 2260/ 2280 PCIe storage devices.
  • Page 28 Ensure that the CPU fan cable is securely installed to the CPU fan connector. CPU_FAN AIO_PUMP CHA_FAN STRIX B250I GAMING Fan connectors • The CPU_FAN connector supports the CPU fan of maximum 1A (12 W) fan power. • Connect the fan of your water cooling kit to the CPU_FAN connector.
  • Page 29 +3 Volts +3 Volts PIN 1 STRIX B250I GAMING ATX power connectors • For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or later version) and provides a minimum power of 350 W.
  • Page 30 PWR_LED- PWR_LED+ HDD_LED+ PIN 1 STRIX B250I GAMING System panel connector • System power LED (2-pin PWR_LED) This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.
  • Page 31: Chapter 2: Basic Installation

    2.1.1 Motherboard installation Install the ASUS Q-Shield to the chassis rear I/O panel. Place the motherboard into the chassis, ensuring that its rear I/O ports are aligned to the chassis’ rear I/O panel.
  • Page 32 Place four (4) screws into the holes indicated by circles to secure the motherboard to the chassis. DO NOT overtighten the screws! Doing so can damage the motherboard. Chapter 2: Basic Installation...
  • Page 33: Cpu Installation

    Ensure that you install the correct CPU designed for LGA1151 socket only. DO NOT install a CPU designed for LGA1155 and LGA1156 sockets on the LGA1151 socket. ASUS will not cover damages resulting from incorrect CPU installation/removal, incorrect CPU orientation/placement, or other damages resulting from negligence by the user.
  • Page 34: Cpu Heatsink And Fan Assembly Installation

    2.1.3 CPU heatsink and fan assembly installation Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan, if necessary. To install the CPU heatsink and fan assembly Chapter 2: Basic Installation...
  • Page 35 To uninstall the CPU heatsink and fan assembly ASUS STRIX B250I GAMING...
  • Page 36: Dimm Installation

    2.1.4 DIMM installation To remove a DIMM Chapter 2: Basic Installation...
  • Page 37: Atx Power Connection

    2.1.5 ATX power connection Ensure to connect the 8-pin power plug. ASUS STRIX B250I GAMING...
  • Page 38: Sata Device Connection

    2.1.6 SATA device connection Chapter 2: Basic Installation...
  • Page 39: Front I/O Connector

    2.1.7 Front I/O connector To install USB 3.0 connector To install front panel connector USB 3.0 To install front panel audio connector AAFP 2.1.8 Expansion card installation To install PCIe x16 cards ASUS STRIX B250I GAMING...
  • Page 40: Installation

    2.1.9 M.2 installation Chapter 2: Basic Installation 2-10...
  • Page 41: Wi-Fi Antenna Installation

    2.1.10 Wi-Fi antenna installation Installing the ASUS 2x2 dual band W-Fi antenna Connect the bundled ASUS 2x2 dual band Wi-Fi antenna connector to the Wi-Fi ports at the back of the chassis. IO Shield • Ensure that the ASUS 2x2 dual band Wi-Fi antenna is securely installed to the Wi-Fi ports.
  • Page 42: Motherboard Rear And Audio Connections

    Motherboard rear and audio connections 2.2.1 Rear I/O connection 3 4 5 6 Rear panel connectors DisplayPort Microphone port (pink)** Intel LAN port* Optical S/PDIF Out port ® Center / Subwoofer port (orange)** Wi-Fi 802.11 a/b/g/n/ac, Bluetooth V4.1 Rear Speaker Out port (black)** USB 3.0 ports Line In port (light blue)** USB2.0 ports...
  • Page 43 Line Out Front Speaker Out Front Speaker Out Front Speaker Out Pink Mic In Mic In Mic In Mic In Orange – – Center/Subwoofer Center/Subwoofer Black – Rear Speaker Out Rear Speaker Out Rear Speaker Out ASUS STRIX B250I GAMING 2-13...
  • Page 44: Audio I/O Connections

    2.2.2 Audio I/O connections Audio I/O ports Connect to Headphone and Mic Connect to Stereo Speakers Connect to 2 channel Speakers Chapter 2: Basic Installation 2-14...
  • Page 45 Connect to 4 channel Speakers Connect to 6 channel Speakers If you are using Windows 8.1/10 platform, use only the light blue audio port for Side ® Speaker Out in a 6-channel configuration. ASUS STRIX B250I GAMING 2-15...
  • Page 46: Starting Up For The First Time

    Connect to 8 channel Speakers Starting up for the first time After making all the connections, replace the system case cover. Ensure that all switches are off. Connect the power cord to the power connector at the back of the system chassis. Connect the power cord to a power outlet that is equipped with a surge protector.
  • Page 47: Turning Off The Computer

    While the system is ON, press the power button for less than four seconds to put the system on sleep mode or soft-off mode, depending on the BIOS setting. Press the power switch for more than four seconds to let the system enter the soft-off mode regardless of the BIOS setting. ASUS STRIX B250I GAMING 2-17...
  • Page 48 Chapter 2: Basic Installation 2-18...
  • Page 49: Chapter 3: Bios Setup

    BIOS Setup Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional keyboard- only BIOS controls to enable a more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as your operating system.
  • Page 50: Bios Setup Program

    RTC RAM via the Clear CMOS jumper. • The BIOS setup program does not support the Bluetooth devices. Please visit ASUS website for the detailed BIOS content manual. BIOS menu screen The BIOS Setup program can be used under two modes: EZ Mode and Advanced Mode.
  • Page 51: Ez Mode

    Click to go to Advanced mode Loads optimized Search on the FAQ default settings Click to display boot devices Selects the boot device priority The boot device options vary depending on the devices you installed to the system. ASUS STRIX B250I GAMING...
  • Page 52: Advanced Mode

    3.2.2 Advanced Mode The Advanced Mode provides advanced options for experienced end-users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the following sections for the detailed configurations. To switch from EZ Mode to Advanced Mode, click Advanced Mode(F7) or press the <F7> hotkey.
  • Page 53: Menu Bar

    Q-Fan Control(F6) This button above the menu bar displays the current settings of your fans. Use this button to manually tweak the fans to your desired settings. Refer to section 3.2.3 QFan Control for more information. ASUS STRIX B250I GAMING...
  • Page 54: Hot Keys

    Move your mouse over this button to show a QR code, scan this QR code on your mobile device to connect to the BIOS FAQ web page of the ASUS support website. You can also scan the following QR code: Hot keys This button above the menu bar contains the navigation keys for the BIOS setup program.
  • Page 55: Qfan Control

    Click to activate DC Mode configured PWM Mode Select a profile to Click to apply the fan setting apply to your fans Click to undo the Click to go back to main menu changes Select to manually configure your fans ASUS STRIX B250I GAMING...
  • Page 56 Configuring fans manually Select Manual from the list of profiles to manually configure your fans’ operating speed. Speed points Select to manually configure your fans To configure your fans: Select the fan that you want to configure and to view its current status. Click and drag the speed points to adjust the fans’...
  • Page 57: My Favorites

    My Favorites is your personal space where you can easily save and access your favorite BIOS items. My Favorites comes with several performance, power saving, and fast boot related items by default. You can personalize this screen by adding or removing items. ASUS STRIX B250I GAMING...
  • Page 58 Adding items to My Favorites To add BIOS items: Press <F3> on your keyboard or click from the BIOS screen to open Setup Tree Map screen. On the Setup Tree Map screen, select the BIOS items that you want to save in My Favorites screen.
  • Page 59: Main Menu

    Intel(R) SpeedStep(tm) [Auto] This item allows the operating system to dynamically adjust the processor voltage and cores frequency, resulting to a decreased average power consumption and decreased average heat production. Configuration options: [Auto] [Disabled] [Enabled] ASUS STRIX B250I GAMING 3-11...
  • Page 60: Advanced Menu

    Turbo Mode Parameters Long Duration Package Power Limit [Auto] Allows you to limit the Turbo Ratio’s time duration that exceeds the TDP (Thermal Design Power) for maximum performance. Use the <+> or <-> keys to adjust the value. The values range from 1 W to 4095 W. Package Power Time Window [Auto] Also known as Power Limit 1, this item allows you to maintain the time window for Turbo Ratio over TDP (Thermal Design Power).
  • Page 61: System Agent (Sa) Configuration

    The LEDs will always light up at the S0(Working), S3(Sleep), and S5(Soft off) states, but not light up at the S4/S5 state when the ErP Ready item is enabled. [Off] The LEDs will not light up. ASUS STRIX B250I GAMING 3-13...
  • Page 62: Apm Configuration

    Intel LAN Controller [Enabled] [Enabled] Enables the Intel LAN controller. ® [Disabled] Disables the controller. 3.6.8 APM Configuration ErP Ready [Disabled] Allows BIOS to switch off some power at S5 to get the system ready for ErP requirement. When set to [Enabled], all other PME options will be switched off. Configuration options: [Enable(S4+S5)] [Enable(S5)] [Disabled] 3.6.9 Network Stack Configuration...
  • Page 63: Boot Menu

    [Ignore] [Legacy only] [UEFI driver first] Boot from Storage Devices [Legacy Only] Allows you to select the type of storage devices that you want to launch. Configuration options: [Ignore] [Legacy only] [UEFI driver first] ASUS STRIX B250I GAMING 3-15...
  • Page 64: Secure Boot

    To launch Secure Erase, click Tool > Secure Erase on the Advanced mode menu. Check the ASUS support site for a full list of SSDs tested with Secure Erase. The drive may become unstable if you run Secure Erase on an incompatible SSD.
  • Page 65: Asus Overclocking Profile

    Locked. SSDs might be locked if the Secure Erase process is either incomplete or was stopped. This may be due to a third party software that uses a different password defined by ASUS. You have to unlock the SSD in the software before proceeding with Secure Erase.
  • Page 66: Exit Menu

    ® ASUS EZ Flash 3: Updates the BIOS using a USB flash drive. ASUS CrashFree BIOS 3: Restores the BIOS using the motherboard support DVD or a USB flash drive when the BIOS file fails or gets corrupted. 3.11.1...
  • Page 67: Asus Ez Flash 3

    3.11.2 ASUS EZ Flash 3 ASUS EZ Flash 3 allows you to download and update to the latest BIOS through the Internet without having to use a bootable floppy disk or an OS-based utility. Updating through the Internet varies per region and Internet conditions. Check your local Internet connection before updating through the Internet.
  • Page 68 To update the BIOS by Internet: Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash Utility and press <Enter>. Select via Internet. Press the Left/Right arrow keys to select an Internet connection method, and then press <Enter>.
  • Page 69: Asus Crashfree Bios 3

    The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASUS official website. If you want to use the newer BIOS file, download the file at https://www.asus.com/support/ and save it to a USB flash drive.
  • Page 70 Chapter 3: BIOS Setup 3-22...
  • Page 71: Appendix

    The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations. Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate this equipment. ASUS STRIX B250I GAMING...
  • Page 72 Compliance Statement of Innovation, Science and Economic Development Canada (ISED) Compliance Statement of Innovation, Science and Economic Development Canada (ISED) This Class B digital apparatus complies with Canadian ICES-003, RSS-210, and CAN ICES- 3(B)/NMB-3(B). This device complies with Industry Canada license exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
  • Page 73 ASUS Recycling/Takeback Services ASUS recycling and takeback programs come from our commitment to the highest standards for protecting our environment. We believe in providing solutions for you to be able to responsibly recycle our products, batteries, other components as well as the packaging materials.
  • Page 74 FCC Bluetooth Wireless Compliance The antenna used with this transmitter must not be co-located or operated in conjunction with any other antenna or transmitter subject to the conditions of the FCC Grant. Bluetooth Industry Canada Statement This Class B device meets all requirements of the Canadian interference-causing equipment regulations.
  • Page 75 2014/53/EU. Cijeli di: https://www.asus.com/support/ tekst EU izjave o sukladnosti dostupan je na https://www.asus.com/support/ WiFi yang Beroperasi pada 5150-5350 MHz akan terbatas untuk penggunaan WiFi koji radi na opsegu frekvencija 5150-5350 MHz bit će ograničen na...
  • Page 76 ASUSTek Computer Inc. tukaj izjavlja, da je ta naprava skladna s temeljnimi zahtevami in drugimi relevantnimii določili Direktive 2014/53/EU. Polno besedilo izjave EU o skladnosti je na voljo na https://www.asus.com/support/ WiFi, ki deluje v pasovnem območju 5150–5350 MHz, mora biti v državah, navedenih v spodnjem seznamu, omejen na notranjo uporabo: Declaración de conformidad simplificada para la UE...
  • Page 77: Asus Contact Information

    +1-510-739-3777 +1-510-608-4555 Web site http://www.asus.com/us/ Technical Support Support fax +1-812-284-0883 Telephone +1-812-282-2787 Online support http://qr.asus.com/techserv ASUS COMPUTER GmbH (Germany and Austria) Address Harkort Str. 21-23, 40880 Ratingen, Germany +49-2102-959931 Web site http://www.asus.com/de Online contact http://eu-rma.asus.com/sales Technical Support Telephone +49-2102-5789555 Support Fax...
  • Page 78: Declaration Of Conformity

    800 Corporate Way, Fremont Phone/Fax No: (510)739-3777/(510)608-4555 hereby declares that the product Product Name : Motherboard Model Number : STRIX B250I GAMING Conforms to the following specifications: FCC Part 15, Subpart B, Unintentional Radiators Supplementary Information: This device complies with part 15 of the FCC Rules. Operation is subject to the...

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