ASROCK B850 Steel Legend WiFi User Manual
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ASROCK B850 Steel Legend WiFi User Manual

ASROCK B850 Steel Legend WiFi User Manual

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Summary of Contents for ASROCK B850 Steel Legend WiFi

  • Page 2: Contact Information

    Contact Information If you need to contact ASRock or want to know more about ASRock, you’re welcome to visit ASRock’s website at http://www.asrock.com; or you may contact your dealer for further information. For technical questions, please submit a support request form at https://event.asrock.com/tsd.asp ASRock Incorporation e-mail: info@asrock.com.tw...

  • Page 3: Table Of Contents

    Chapter 1 Introduction Package Contents Speciications Motherboard Layout I/O Panel Block Diagram 802.11be Wi-Fi 7 Module and ASRock WiFi 2.4/5/6 GHz Antennas Chapter 2 Installation Installing the CPU Installing the CPU Fan and Heatsink Installing Memory Modules (DIMM) Connecting the Front Panel Header...
  • Page 4 2.14 Post Status Checker 2.15 M.2 SSD Installation Guide (M2_1) 2.16 M.2 SSD Installation Guide (M2_2) 2.17 M.2 SSD Installation Guide (M2_3) 2.18 M.2 SSD Installation Guide (M2_4)

  • Page 5: Chapter 1 Introduction

    ASRock’s website without further notice. If you require technical support related to this motherboard, please visit our website for speciic information about the model you are using. You may ind the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.

  • Page 6: Speciications

    • Supports DDR5 ECC/non-ECC, un-bufered memory up to 8000+(OC)* • Max. capacity of system memory: 256GB • Supports Extreme Memory Proile (XMP) and EXTended Proiles for Overclocking (EXPO) memory modules * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) CPU: Expansion Slot •...
  • Page 7 B850 Steel Legend WiFi • Integrated AMD RDNA graphics (Actual support may Graphics vary by CPU) • 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz Audio • 7.1 CH HD Audio with Content Protection (Realtek ALC4082 Audio Codec) •...
  • Page 8 CPU: • 2 x USB 3.2 Gen2 Type-C (Rear) • 1 x USB 3.2 Gen2 Type-A (Rear (USB32_3)) • 1 x USB 3.2 Gen1 Type-A (Rear (USB32_1)) Chipset: • 1 x USB 3.2 Gen2x2 Type-C (Front) • 1 x USB 3.2 Gen2 Type-A (Rear (USB32_4)) •...
  • Page 9 B850 Steel Legend WiFi * Supports NVMe SSD as boot disks * M2_1 is the irst priority for M.2 installation. * M2_1 will run at Gen5x4 with 9000 and 7000 series proces- sors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
  • Page 10 • ErP/EuP ready (ErP/EuP ready power supply is required) tions * For detailed product information, please visit our website: http://www.asrock.com Please realize that there is a certain risk involved with overclocking, including adjusting the setting in the BIOS, applying Untied Overclocking Technology, or using third-party overclocking tools.

  • Page 11: Motherboard Layout

    B850 Steel Legend WiFi 1.3 Motherboard Layout CPU_FAN1 CPU_FAN2 AIO_PUMP ATX12V1 ATX12V2 M2_WIFI1 Top: RJ-45 PCIE1 SPI_TPM_J1 B850 CMOS BIOS Battery AUDIO CODEC RoHS PCIE2 HD_AUDIO1 USB_5_6 USB_7_8 SPK_PLED1 PANEL1 CHA_FAN1 CHA_FAN2 PLED PWRBTN CLRCMOS1 T_SENSOR1 RGB_LED1 ADDR_LED1 HDLED RESET...
  • Page 12 No. Description ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (ATX12V2) 2 x 288-pin DDR5 DIMM Slots (DDR5_A1, DDR5_B1) CPU Fan Connector (CPU_FAN1) CPU Fan Connector (CPU_FAN2) AIO Pump Fan Connector (AIO_PUMP) 2 x 288-pin DDR5 DIMM Slots (DDR5_A2, DDR5_B2) Post Status Checker (PSC) Addressable LED Header (ADDR_LED3) Addressable LED Header (ADDR_LED2)

  • Page 13: I/O Panel

    B850 Steel Legend WiFi 1.4 I/O Panel No. Description No. Description USB 3.2 Gen2 Type-A Ports (USB32_34)* USB 3.2 Gen2 Type-C Port (USB32_TC1) 2.5G LAN RJ-45 Port** USB 3.2 Gen1 Ports (USB32_12)**** Microphone Input Jack*** USB 2.0 Ports (USB_1234) Line Out Jack***...
  • Page 14 *** Function of the Audio Ports in 2, 4, 5.1 or 7.1-channel Coniguration: Channel Port Function Line Out Jack Front speaker out (Rear Panel) Pink-Mic Rear speaker out (Front Panel) Microphone Input Jack 5.1ch Central/Subwoofer speaker out (Rear Panel) Lime-Headphone 7.1ch Side Speaker out (Front Panel)

  • Page 15: Block Diagram

    B850 Steel Legend WiFi 1.5 Block Diagram...

  • Page 16: 802.11Be Wi-Fi 7 Module And Asrock Wifi 2.4/5/6 Ghz Antennas

    1.6 802.11be Wi-Fi 7 Module and ASRock WiFi 2.4/5/6 GHz Antennas 802.11be Wi-Fi 7 + BT Module his motherboard comes with an exclusive 802.11 a/b/g/n/ac/ax/axe/be Wi-Fi 7 + BT v5.4 module that ofers support for 802.11 a/b/g/n/ac/ax/axe/be Wi-Fi 7 connectivity standards and Bluetooth v5.4.
  • Page 17 B850 Steel Legend WiFi WiFi Antennas Installation Guide Step 1 Prepare the WiFi 2.4/5/6 GHz Antennas that come with the package. Step 2 Connect the two WiFi 2.4/5/6 GHz Antennas to the antenna connectors. Turn the antenna clockwise until it is securely connected.

  • Page 18: Chapter 2 Installation

    Chapter 2 Installation his is an ATX form factor motherboard. Before you install the motherboard, study the coniguration of your chassis to ensure that the motherboard its into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings.

  • Page 19: Installing The Cpu

    B850 Steel Legend WiFi 2.1 Installing the CPU 1. Before you insert the 1718-Pin CPU into the socket, please check if the PnP cap is on the socket, if the CPU surface is unclean, or if there are any bent pins in the socket.
  • Page 20 Carefully place the CPU in as lat as possible. Do not drop it.
  • Page 21 B850 Steel Legend WiFi Make sure the CPU is aligned with the socket before locking it into place. Make sure the black cover plate is always in place until it pops of when closing the socket lever. Please save the cover if the processor is removed. he cover must be placed if you wish...

  • Page 22: Installing The Cpu Fan And Heatsink

    2.2 Installing the CPU Fan and Heatsink Ater you install the CPU into this motherboard, it is necessary to install a larger heatsink and cooling fan to dissipate heat. You also need to spray thermal grease between the CPU and the heatsink to improve heat dissipation. Make sure that the CPU and the heatsink are securely fastened and in good contact with each other.
  • Page 23 B850 Steel Legend WiFi...
  • Page 24 Installing the CPU Cooler (Type 2)
  • Page 25 B850 Steel Legend WiFi...
  • Page 26 +12V *he illustrations shown here are for reference purposes only and may not exactly match the model you purchase.
  • Page 27 B850 Steel Legend WiFi Installing the CPU Cooler (Type 3)
  • Page 29 B850 Steel Legend WiFi...
  • Page 30 +12V Please note that only one cable should be used at a time in this step. If you select RGB_LED1, please install ASRock utility "ASRock Polychrome SYNC". If you select USB connector, please install AMD utility "SR3 Settings Sotware". *he illustrations shown here are for reference purposes only and may not exactly match...

  • Page 31: Installing Memory Modules (Dimm)

    B850 Steel Legend WiFi 2.3 Installing Memory Modules (DIMM) his motherboard provides four 288-pin DDR5 (Double Data Rate 5) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel coniguration, you always need to install identical (the same brand, speed, size and chip-type) DDR5 DIMM pairs.

  • Page 33: Connecting The Front Panel Header

    B850 Steel Legend WiFi 2.4 Connecting the Front Panel Header Front Panel Wires System Panel Header Power SW (-) RESET SW (+) Power SW (+) RESET SW (-) Power LED (-) HDD LED (-) Power LED (+) HDD LED (+)

  • Page 34: Installing The Motherboard

    2.5 Installing the Motherboard...

  • Page 35: Installing Sata Drives

    B850 Steel Legend WiFi 2.6 Installing SATA Drives Optical Drive SATA Drive SATA Data Cable...
  • Page 36 SATA Power Connector SATA Data Connector...

  • Page 37: Installing A Graphics Card

    B850 Steel Legend WiFi 2.7 Installing a Graphics Card CLICK!
  • Page 38 Removing a Graphics Card from PCIE1 Slot Please follow the steps below to release the PCIe slot latch on PCIE1 and remove the graphics card. 1. Press down the latch to release the graphics card from the PCIe slot. 2. You can now easily remove the graphics card from the PCIe slot. *Please ensure that the system power cable is removed when removing the graphics card.
  • Page 39 B850 Steel Legend WiFi Expansion Slots (PCIe Slots) here are 2 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched of or the power cord is unplugged. Please read the documentation of the expansion card and make necessary hardware settings for the card before you start the installation.

  • Page 40: Connecting Peripheral Devices

    2.8 Connecting Peripheral Devices...

  • Page 41: Connecting The Power Connectors

    B850 Steel Legend WiFi 2.9 Connecting the Power Connectors...

  • Page 42: Power On

    2.10 Power On...

  • Page 43: Jumpers Setup

    B850 Steel Legend WiFi 2.11 Jumpers Setup he illustration shows how jumpers are setup. When the jumper cap is placed on the pins, the jumper is “Short”. If no jumper cap is placed on the pins, the jumper is “Open”.

  • Page 44: Onboard Headers And Connectors

    2.12 Onboard Headers and Connectors Onboard headers and connectors are NOT jumpers. Do NOT place jumper caps over these headers and connectors. Placing jumper caps over the headers and connectors will cause permanent damage to the motherboard. System Panel Header (9-pin PANEL1) (see p.7, No.
  • Page 45 B850 Steel Legend WiFi Power LED and Speaker Header (7-pin SPK_PLED1) (see p.7, No. 19) Please connect the chassis power LED and the chassis speaker to this header. SPK_PLED1 SPEAKER DUMMY DUMMY PLED+ PLED+ PLED- Serial ATA3 Connectors Right Angle: (SATA3_A1) (see p.7, No.
  • Page 46 USB 2.0 Headers (9-pin USB_5_6) (see p.7, No. 21) (9-pin USB_7_8) (see p.7, No. 20) here are two headers on this motherboard. Each USB 2.0 header can support two ports. USB_5_6 USB_PWR DUMMY USB_PWR USB_7_8 USB_PWR DUMMY USB_PWR USB 3.2 Gen1 Headers Right Angle: (19-pin USB32_6_7) (see p.7, No.
  • Page 47 B850 Steel Legend WiFi Front Panel Type C USB 3.2 Gen2x2 Header (20-pin USB32_TC3) (see p.7, No. 13) here is one Front Panel Type C USB 3.2 Gen2x2 Header on this motherboard. his header is used for connecting a USB 3.2 Gen2x2 module for additional USB 3.2 Gen2x2 ports.
  • Page 48 Chassis Fan Connectors (4-pin CHA_FAN1) (see p.7, No. 23) (4-pin CHA_FAN2) (see p.7, No. 24) (4-pin CHA_FAN3) (see p.7, No. 29) his header allows you to connect Case or Radiator fan. If you plan to connect a 3-pin fan, please connect it to Pin 1-3. CHA_FAN3 FAN_VOLTAGE CHA_FAN_SPEED...
  • Page 49 B850 Steel Legend WiFi CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 4) his header allows you to connect CPU fan. If you plan to connect a 3-pin fan, please connect it to Pin 1-3. CPU_FAN1 +12V CPU_F AN_SPEED FAN_SPEED_CONTROL CPU Fan Connector (4-pin CPU_FAN2) (see p.7, No.
  • Page 50 AIO Pump Fan Connector (4-pin AIO_PUMP) (see p.7, No. 6) his header allows you to connect AIO (All-in-One) pump or fan. If you plan to connect a 3-pin AIO cooler fan, please connect it to Pin 1-3. AIO_PUMP FAN_VOLTAGE AIO_PUMP_SPEED FAN_SPEED_CONTROL...
  • Page 51 B850 Steel Legend WiFi ATX Power Connector (24-pin ATXPWR1) (see p.7, No. 11) his motherboard provides a 24-pin ATX power connector. To use a 20-pin ATX power supply, please plug it along Pin 1 and Pin 13. ATXPWR1 ATX 12V Power Connectors (8-pin ATX12V1) (see p.7, No.
  • Page 52 SPI TPM Header (13-pin SPI_TPM_J1) (see p.7, No. 14) his connector supports SPI Trusted Platform Module (TPM) system, which can securely store keys, digital certiicates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity.
  • Page 53 B850 Steel Legend WiFi hermistor Cable Header (2-pin T_SENSOR1) (see p.7, No. 27) he hermistor Cable Headers are used to connect thermistor cables to monitor the temperature of the critical components. Plug the thermistor cables that come with the package to these headers, and then attach the sensor ends to the components to detect their temperature.
  • Page 54 RGB LED Header (4-pin RGB_LED1) (see p.7, No. 26) his RGB header is used to connect RGB LED extension cable which allow users to choose from various LED lighting efects. Caution: Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
  • Page 55 B850 Steel Legend WiFi Addressable LED Headers (3-pin ADDR_LED1) (see p.7, No. 25) (3-pin ADDR_LED2) (see p.7, No. 10) (3-pin ADDR_LED3) (see p.7, No. 9) hese headers are used to connect Addressable LED extension cables which allow users to choose from various LED lighting efects.
  • Page 56 1. Never install the Addressable LED cable in the wrong orientation; otherwise, the cable may be damaged. 2. Before installing or removing your Addressable LED cable, please power of your system and unplug the power cord from the power supply. Failure to do so may cause damages to motherboard components.

  • Page 57: Smart Switches

    B850 Steel Legend WiFi 2.13 Smart Switches he motherboard has one smart switch: BIOS Flashback Button, allowing users to lash the BIOS. BIOS Flashback Button (SW1) (see p.9, No. 11) BIOS Flashback Button allows users to lash the BIOS. USB BIOS Flashback port...
  • Page 58 ASRock BIOS Flashback feature allows you to update BIOS without powering on the system, even without CPU. Before using the BIOS Flashback function, please suspend BitLocker and any encryp- tion or security relying on the TPM. Make sure that you have already stored and backup-ed the recovery key.

  • Page 59: Post Status Checker

    B850 Steel Legend WiFi 2.14 Post Status Checker Post Status Checker (PSC) diagnoses the computer when users power on the machine. he LEDs light up to show what component is running into an issue. hey emit red, yel- low, white and yellow-green lights to indicate, respectively, the CPU, memory, VGA and storage are not detected or fail.
  • Page 60 2.15 M.2 SSD Installation Guide (M2_1) he M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. he Blazing M.2 Socket (M2_1, Key M) supports type 2280 PCIe Gen5x4 (128 Gb/s) mode. * M2_1 is the irst priority for M.2 installation. * M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
  • Page 61 B850 Steel Legend WiFi Step 3 Push the button on the M.2 heatsink in the direction shown (A). hen lit up the heatsink (B) and move it in the direction shown (C). *Please remove the protective ilms on the bottom side of the M.2 heatsink before you install a M.2 SSD.
  • Page 62 Step 7 Press the M.2 heatsink down into place. *Be sure not to press down the button on the M.2 heatsink. Step 8 Complete. For the latest updates of M.2 SSD support list, please visit our website for details: http:// www.asrock.com...
  • Page 63 B850 Steel Legend WiFi 2.16 M.2 SSD Installation Guide (M2_2) he M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. he Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode.
  • Page 64 Step 3 Use a screwdriver to remove the standof. Skip Step 3 if your M.2 SSD is Type 2280. Step 4 Peel of the yellow protective ilm on the nut to be used. Tighten the standof into the desired nut location on the motherboard with a screwdriver.
  • Page 65 B850 Steel Legend WiFi Step 6 Ensure that the notch at the end of the M.2 SSD aligns with the nut. hen secure the M.2 SSD by turning the nut lock clockwise to its locked position. For the latest updates of M.2 SSD support list, please visit our website for details: http://...
  • Page 66 2.17 M.2 SSD Installation Guide (M2_3) he M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. he Hyper M.2 Socket (M2_3, Key M), supports type 2230/2260/2280 PCIe Gen4x4 (64 Gb/s) mode. Installing the M.2 SSD Step 1 Prepare a M.2 SSD.
  • Page 67 B850 Steel Legend WiFi Step 3 Before installing a M.2 SSD, please loosen the screws to remove the M.2 heatsink. *Please remove the protective ilms on the bottom side of the M.2 heatsink before you install a M.2 SSD. Step 4 Use a screwdriver to remove the standof.
  • Page 68 M.2 heatsink into place. Please do not overtighten the screw as this might damage the M.2 SSD and M.2 heatsink. For the latest updates of M.2 SSD support list, please visit our website for details: http:// www.asrock.com...
  • Page 69 B850 Steel Legend WiFi 2.18 M.2 SSD Installation Guide (M2_4) he M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. he Hyper M.2 Socket (M2_4, Key M) supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode.
  • Page 70 Step 3 Before installing a M.2 SSD, please loosen the screws to remove the M.2 heatsink. *Please remove the protective ilms on the bottom side of the M.2 heatsink before you install a M.2 SSD. Step 4 Use a screwdriver to remove the standof.
  • Page 71 B850 Steel Legend WiFi Step 6 Align and gently insert the M.2 SSD into the M.2 slot. Please be aware that the M.2 SSD only its in one orientation. Step 7 Ensure that the notch at the end of the M.2 SSD aligns with the nut.

  • Page 73: Copyright Notice

    (including damages for loss of proits, loss of business, loss of data, interruption of business and the like), even if ASRock has been advised of the possibility of such damages arising from any defect or error in...

  • Page 74: Fcc Compliance Statement

    FCC Compliance Statement his device complies with Part 15 of the FCC Rules. 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 75 ASRock follows the green design concept to design and manufacture our products, and makes sure that each stage of the product life cycle of ASRock product is in line with global environmental regulations. In addition, ASRock disclose the relevant information based on regulation requirements.
  • Page 76 If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply)
  • Page 77 European Community Radio Equipment Directive Compliance Statement his device complies with directive 2014/53/EU issued by the Commision of the European Community. his equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. his equipment should be installed and operated with minimum distance 20cm between the radiator &...

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