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Chapter 1 Introduction Package Contents Specifications Motherboard Layout I/O Panel Block Diagram 802.11axe Wi-Fi 6E 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...
If you require technical support related to this mother- board, please visit our website for specific information about the model you are using. You may find the latest VGA cards and CPU support list on ASRock’s website as well. ASRock website http://www.asrock.com.
• Supports DDR5 non-ECC, un-buffered memory up to 8666+(OC)* • Supports Clocked Unbuffered DIMM (CUDIMM) • Max. capacity of system memory: 256GB • Supports Intel® Extreme Memory Profile (XMP) 3.0x * Please refer to Memory Support List on ASRock's website for more information. (http://www.asrock.com/) Expansion CPU: Slot • 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*...
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B860 Steel Legend WiFi Graphics • Intel® UHD Graphics Built-in Visuals and the VGA outputs can be supported only with processors which are GPU integrated. • Intel® X LPG Graphics Architecture • 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max.
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• 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology • Supports Bluetooth 5.3 • Supports MU-MIMO CPU: • 1 x Thunderbolt 4 Type-C (Rear) Chipset: • 1 x USB 3.2 Gen2x2 Type-C (Front) • 2 x USB 3.2 Gen2 Type-A (Rear) • 8 x USB 3.2 Gen1 (4 Rear, 4 Front) • 7 x USB 2.0 (3 Rear, 4 Front) * All USB ports support ESD Protection...
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B860 Steel Legend WiFi Storage CPU: • 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode* Chipset: • 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode* • 1 x Hyper M.2 Socket (M2_3, Key M), supports type 2280...
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• ErP/EuP ready (ErP/EuP ready power supply is required) * 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.
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No. Description ATX 12V Power Connector (ATX12V1) ATX 12V Power Connector (ATX12V2) 2 x 288-pin DDR5 DIMM Slots (DDR5_A1, DDR5_B1) 2 x 288-pin DDR5 DIMM Slots (DDR5_A2, DDR5_B2) CPU Fan Connector (CPU_FAN2) CPU Fan Connector (CPU_FAN1) Addressable LED Header (ADDR_LED1) Addressable LED Header (ADDR_LED2) AIO Pump Fan Connector (AIO_PUMP) Post Status Checker (PSC)
B860 Steel Legend WiFi 1.4 I/O Panel No. Description No. Description Antenna Ports USB 3.2 Gen1 Ports (USB32_45)*** 2.5G LAN RJ-45 Port* USB 3.2 Gen1 Port (USB32_3) Microphone Input Jack** USB 3.2 Gen2 Port (USB32_2) Line Out Jack** USB 3.2 Gen2 Port (USB32_1)
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*There are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications. ACT/LINK LED SPEED LED LAN Port Activity / Link LED Speed LED Status Description Status Description No Link 10Mbps connection 100Mbps/1Gbps Blinking Data Activity...
1.6 802.11axe Wi-Fi 6E Module and ASRock WiFi 2.4/5/6 GHz Antennas 802.11axe Wi-Fi 6E + BT Module This motherboard comes with an exclusive 802.11 a/b/g/n/ac/ax/axe Wi-Fi 6E + BT v5.3 module that offers support for 802.11 a/b/g/n/ac/ax/axe Wi-Fi 6E connectivity standards and Bluetooth v5.3.
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B860 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.
Chapter 2 Installation This is an ATX form factor motherboard. Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Pre-installation Precautions Take note of the following precautions before you install motherboard components or change any motherboard settings.
B860 Steel Legend WiFi 2.1 Installing the CPU 1. Before you insert the 1851-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. Do not force to insert the CPU into the socket if above situation is found.
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Please save and replace the cover if the processor is removed. The cover must be placed if you wish to return the motherboard for after service.
2.3 Installing Memory Modules (DIMM) This motherboard provides four 288-pin DDR5 (Double Data Rate 5) DIMM slots, and supports Dual Channel Memory Technology. 1. For dual channel configuration, you always need to install identical (the same brand, speed, size and chip-type) DDR5 DIMM pairs. 2.
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 (+) PANEL1...
2.7 Installing a Graphics Card CLICK! Skip Step 2 if you install a graphics card into PCIE1 slot. Illustrations here are examples only.
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B860 Steel Legend WiFi 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.
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Expansion Slots (PCIe Slots) There are 2 PCI Express slots on the motherboard. Before installing an expansion card, please make sure that the power supply is switched off 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.
2.11 Jumpers Setup The 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”. Clear CMOS Jumper (CLRMOS1) (see p.7, No. 26) CLRMOS1 allows you to clear the data in CMOS.
B860 Steel Legend WiFi 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.
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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-...
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B860 Steel Legend WiFi Serial ATA3 Connectors Right Angle: (SATA3_0) (see p.7, No. 16)(Upper) (SATA3_1) (see p.7, No. 16)(Lower) (SATA3_2) (see p.7, No. 15)(Upper) (SATA3_3) (see p.7, No. 15)(Lower) These four SATA3 connectors support SATA data cables for internal storage devices with...
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USB 2.0 Headers (9-pin USB_5_6) (see p.7, No. 20) (9-pin USB_7_8) (see p.7, No. 21) There 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...
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B860 Steel Legend WiFi USB 3.2 Gen1 Headers Vertical: (19-pin USB32_6_7) (see p.7, No. 12) Right Angle: (19-pin USB32_8_9) (see p.7, No. 14) There are two headers on this motherboard. Each USB 3.2 Gen1 header can support two ports. USB32_6_7...
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Front Panel Type C USB 3.2 Gen2x2 Header (20-pin USB32_TC1) (see p.7, No. 13) There is one Front Panel Type C USB 3.2 Gen2x2 Header on this motherboard. This header is used for connecting a USB 3.2 Gen2x2 module for additional USB 3.2 Gen2x2 ports.
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B860 Steel Legend WiFi Front Panel Audio Header (9-pin HD_AUDIO1) (see p.7, No. 30) This header is for connecting audio devices to the front audio panel. HD_AUDIO1 PRESENCE# MIC_RET OUT_RET OUT2_L J_SENSE OUT2_R MIC2_R MIC2_L High Definition Audio supports Jack Sensing, but the panel wire on the chassis must sup- port HDA to function correctly.
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Chassis Fan Connectors (4-pin CHA_FAN1) (see p.7, No. 22) (4-pin CHA_FAN2) (see p.7, No. 23) (4-pin CHA_FAN3) (see p.7, No. 24) (4-pin CHA_FAN4) (see p.7, No. 25) (4-pin CHA_FAN5) (see p.7, No. 31) These headers allow you to connect Case or Radiator fans. If you plan to connect a 3-pin fan, please connect it to Pin 1-3.
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B860 Steel Legend WiFi CPU Fan Connector (4-pin CPU_FAN1) (see p.7, No. 6) This 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.
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AIO Pump Fan Connector (4-pin AIO_PUMP) (see p.7, No. 9) This 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 ATX Power Connector (24-pin ATXPWR1) (see p.7, No.
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B860 Steel Legend WiFi ATX 12V Power Connectors (8-pin ATX12V1) (see p.7, No. 1) (8-pin ATX12V2) (see p.7, No. 2) This motherboard provides two 8-pin ATX 12V power connectors. To use a 4-pin ATX power supply, please plug it along Pin 1 and Pin 5.
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SPI TPM Header (13-pin SPI_TPM_J1) (see p.7, No. 17) This connector supports SPI Trusted Platform Module (TPM) system, which can securely store keys, digital certificates, passwords, and data. A TPM system also helps enhance network security, protects digital identities, and ensures platform integrity. SPI_TPM_J1 TPM_PIRQ RST#...
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B860 Steel Legend WiFi Thermistor Cable Header (2-pin T_SENSOR1) (see p.7, No. 27) The Thermistor Cable Header is used to connect a thermistor cable to monitor the temperature of the critical component. Plug the thermistor cable that comes with the package to the header, and then attach the sensor end to the component to detect the temperature.
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RGB LED Header (4-pin RGB_LED1) (see p.7, No. 29) This RGB header is used to connect RGB LED extension cable which allow users to choose from various LED lighting effects. Caution: Never install the RGB LED cable in the wrong orientation; otherwise, the cable may be damaged.
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B860 Steel Legend WiFi Addressable LED Headers (3-pin ADDR_LED1) (see p.7, No. 7) (3-pin ADDR_LED2) (see p.7, No. 8) (3-pin ADDR_LED3) (see p.7, No. 28) These headers are used to connect Addressable LED extension cables which allow users to choose from various LED lighting effects.
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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 off your system and unplug the power cord from the power supply. Failure to do so may cause damages to motherboard components.
B860 Steel Legend WiFi 2.13 Post Status Checker Post Status Checker (PSC) diagnoses the computer when users power on the machine. The LEDs light up to show what component is running into an issue. They emit red, yellow, white and yellow-green lights to indicate, respectively, the CPU, memory, VGA and storage are not detected or fail.
2.14 Smart Button The motherboard has one smart switch: BIOS Flashback Button, allowing users to flash the BIOS. BIOS Flashback Button (BIOS_FB1) (see p.9, No. 16) BIOS Flashback Button allows users to flash the BIOS. BIOS_FB1 USB BIOS Flashback port...
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B860 Steel Legend WiFi 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 encryption or security relying on the TPM. Make sure that you have already stored and backup-ed the recovery key.
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2.15 M.2 SSD Installation Guide (M2_1) The M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Blazing M.2 Socket (M2_1, Key M) supports type 2280 PCIe Gen5x4 (128 Gb/s) mode. Installing the M.2 SSD Step 1 Prepare a M.2 SSD.
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B860 Steel Legend WiFi Step 3 Push the button on the M.2 heatsink in the direction shown (A). Then lift up the heatsink (B) and move it in the direction shown (C). *Please remove the protective films on the bottom side of the M.2 heatsink before you install a M.2...
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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...
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B860 Steel Legend WiFi 2.16 M.2 SSD Installation Guide (M2_2) The M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. Hyper M.2 Socket (M2_2, Key M) supports type 2230/2242/2260/2280 PCIe Gen4x4 (64 Gb/s) mode.
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Step 3 Use a screwsriver to remove the standoff. Skip Step 3 if your M.2 SSD is Type 2280. Step 4 Peel off the yellow protective film on the nut to be used. Tighten the standoff into the desired nut location on the motherboard with a screwdriver.
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B860 Steel Legend WiFi Step 6 Ensure that the notch at the end of the M.2 SSD aligns with the nut. Then 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://...
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2.17 M.2 SSD Installation Guide (M2_3 and M2_4) The M.2 is a small size and versatile card edge connector that aims to replace mPCIe and mSATA. The Hyper M.2 Socket (M2_3 Key M) supports type 2280 PCIe Gen4x4 (64 Gb/s) mode.
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B860 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 films on the bottom side of the M.2 heatsink before you install a M.2 SSD. Step 4 Align and gently insert the M.2 SSD...
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Tighten the screw with a screwdriver to secure the M.2 heatsink into place. Please do not overtighten the screw as this might damage the M.2 heatsink. For the latest updates of M.2 SSD support list, please visit our website for details: http:// www.asrock.com...
ASRock does not provide warranty of any kind, either expressed or implied, including but not limited to the implied warranties or conditions of merchantability or fitness for a particular purpose. In no event shall ASRock, its directors, officers, employees, or agents be liable for any indirect, special, incidental, or consequential...
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INTEL END USER SOFTWARE LICENSE AGREEMENT IMPORTANT - READ BEFORE COPYING, INSTALLING OR USING. LICENSE. Licensee has a license under Intel’s copyrights to reproduce Intel’s Software only in its unmodified and binary form, (with the accompanying documentation, the “Software”) for Licensee’s personal use only, and not commercial use, in connection with Intel-based products for which the Software has been provided, subject to the following conditions: (a) Licensee may not disclose, distribute or transfer any part of the Software, and You agree...
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U.S. GOVERNMENT RESTRICTED RIGHTS. The Software is a commercial item (as defined in 48 C.F.R. 2.101) consisting of commercial computer software and commercial computer software documentation (as those terms are used in 48 C.F.R. 12.212), consistent with 48 C.F.R. 12.212 and 48 C.F.R 227.7202-1 through 227.7202-4. You will not provide the Software to the U.S.
FCC Compliance Statement This 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.
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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.
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If you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard International call charges apply)
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European Community Radio Equipment Directive Compliance Statement This device complies with directive 2014/53/EU issued by the Commision of the European Community. This equipment complies with EU radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator &...
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