Motherboard PRIME B650M-A AX6
E22869 First Edition December 2023 Copyright © 2023 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents Safety information....................................................................................................... iv About this guide........................................................................................................... v Package contents....................................................................................................... vii PRIME B650M-A AX6 specifications summary......................................................
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.
About this guide This user guide contains the information you need when installing and configuring the motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product Introduction This chapter describes the features of the motherboard and includes descriptions for each part of the motherboard. • Chapter 2: BIOS and RAID Support This chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on RAID.
5. RAID Configuration Guide Please visit https://www.asus.com/support for more information on the RAID Configuration Guide. 6. BIOS FlashBack™ Feature Please visit https://www.asus.com/support for more information on the BIOS FlashBack™ Feature.
Conventions used in this guide To ensure that you perform certain tasks properly, take note of the following symbols used throughout this user guide. CAUTION: Information to prevent damage to the components and injuries to yourself when trying to complete a task. IMPORTANT: Instructions that you MUST follow to complete a task. NOTE: Tips and additional information to help you complete a task. Package contents Check your motherboard package for the following items.
PRIME B650M-A AX6 specifications summary CPU Chipset AMD Socket AM5 for AMD Ryzen™ 7000 Series Desktop Processors* * Refer to www.asus.com for CPU support list. AMD B650 Chipset 4 x DIMM slots, max.
PRIME B650M-A AX6 specifications summary Rear USB (Total 8 ports) 2 x USB 10Gbps ports (1 x Type-A +1 x USB Type-C®) 2 x USB 5Gbps ports (2 x Type-A) USB 4 x USB 2.0 ports (4 x Type-A) Front USB (Total 9 ports) 1 x USB 5Gbps connector (supports USB Type-C®) 2 x USB 5Gbps headers support 4 additional USB 5Gbps ports 2 x USB 2.0 headers support 4 additional USB 2.0 ports Realtek 7.
PRIME B650M-A AX6 specifications summary Miscellaneous 3 x Addressable Gen 2 headers 1 x Clear CMOS header 1 x COM Port header Internal I/O connectors 1 x Front Panel Audio header (F_AUDIO) 1 x S/PDIF Out header 1 x Speaker header 1 x SPI TPM header (14-1 pin) 1 x 10-1 pin System Panel header ASUS 5X PROTECTION III - DIGI+ VRM - LANGuard - Overvoltage Protection - SafeSlot Core+ - Stainless-Steel Back I/O ASUS Q-Design - Q-DIMM Special Features - Q-LED Core - Q-Slot ASUS EZ DIY - BIOS FlashBack™ button -
PRIME B650M-A AX6 specifications summary UEFI BIOS ASUS EZ DIY Software Features - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode BIOS 256 Mb Flash ROM, UEFI AMI BIOS BIOS CAP Filename PRIME B650M-A AX6: A5506.CAP Manageability WOL by PME, PXE Operating System Form Factor Windows® 11 Windows® 10 64-bit micro-ATX Form Factor 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm ) Specifications are subject to change without notice. Please refer to the ASUS website for the latest specifications.
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Chapter 1: Product Introduction Product Introduction 1.1 Before you proceed 1 Take note of the following precautions before you install motherboard components or change any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity.
Motherboard layout DP 6 24.4cm(9.6in) 1 4 2 DIGI +VRM CPU_12V CPU_FAN CPU_OPT 4 17 2260 2242 U5G_C7 2280 PCIE SATA X 5.0 X4 TPM Ethernet AIO_PUMP AUDIO M.2_1(SOCKET3) M.2(WIFI) 5 U5G_89 256Mb BIOS U10G_6 U10G_C2 11 ATX_PWR LAN_U5G_34 DDR5 DIMM_B2 (64bit, 288-pin module) SOCKET AM5 DDR5 DIMM_B1 (64bit, 288-pin module) FLBK_LED USB_5_E123 DDR5 DIMM_A2 (64bit, 288-pin module) CHA_FAN1 BIOS_FLBK 19 DDR5 DIMM_A1 (64bit, 288-pin module) HDMI 24.4cm(9.
3. Expansion slots This motherboard supports one PCIe x16 graphics card and three PCIe x16 (supporting x1 mode) network cards, SCSI cards and other cards that comply with the PCI Express specification. 4. Fan and Pump headers GND FAN PWR FAN IN FAN PWM The Fan and Pump headers allow you to connect fans or pumps to cool the system. 5. Power connectors These Power connectors allow you to connect your motherboard to a power supply. The power supply plugs are designed to fit in only one orientation.
9. USB 5Gbps headers The USB 5Gbps headers allow you to connect USB 5Gbps module for additional USB 5Gbps ports. The USB 5Gbps headers provide data transfer speeds of up to 5 Gb/s. 10. USB 2.0 headers The USB 2.0 headers allow you to connect USB modules for additional USB 2.0 ports. The USB 2.0 headers provide data transfer speeds of up to 480 Mb/s. DO NOT connect a 1394 cable to the USB connectors.
If the steps above do not help, remove the onboard button cell battery and short the two pins again to clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the button cell battery. COM 13. COM Port header PIN 1 DCD TXD GND RTS RI The COM (Serial) Port header allows you to connect a COM port module. Connect the COM port module cable to this header, then install the module to a slot opening on the system chassis. 14.
• Power Button/Soft-off Button header (PWR_BTN) The 2-pin header allows you to connect the system power button. Press the power button to power up the system, or put the system into sleep or soft-off mode (depending on the operating system settings). • Reset button header (RESET) The 2-pin header allows you to connect the chassis-mounted reset button. Press the reset button to reboot the system. 19.
1.2.2 Rear panel connectors 5 6 7 1 2 3 8 9 10 4 11 Rear panel connectors 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. USB 2.0 port 5 with BIOS FlashBack™ function Realtek 1Gb Ethernet port* USB 10Gbps (Teal blue) Type-A port 6 Audio jacks** DisplayPort HDMI™ port BIOS FlashBack™ button USB 2.0 ports E1, E2, E3 USB 5Gbps ports 3, 4 USB 10Gbps Type-C® port 2 11. Wi-Fi module * and **: Refer to the tables below for LAN port LEDs, and audio port definitions.
** Audio 2, 4, 5.1 or 7.1-channel configuration Port LINE IN LINE OUT MIC IN 2-channel 4-channel Front Speaker Out Rear panel Rear Speaker Out Front Speaker Out - - - 5.1-channel 7.
1.3 CPU installation Unplug all power cables before installing the CPU. • The AM5 socket has a different pinout design. Ensure that you use a CPU designed for the AM5 socket. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU. • ASUS will not cover damages resulting from incorrect CPU installation/removal, incorrect CPU orientation/placement, or other damages resulting from negligence by the user.
1.4 DIMM installation The figure illustrates the location of the DDR5 DIMM sockets. A DDR5 memory module is notched differently from a DDR, DDR2, DDR3, or DDR4 module. DO NOT install a DDR, DDR2, DDR3, or DDR4 memory module to the DDR5 slot. Recommended memory configurations DIMM_A2 DIMM_A2 DIMM_B2 1-10 DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 • You may install varying memory sizes in the DIMM channels. The system maps the total size of the lower-sized channel for the dual-channel configuration.
Installing a DIMM To remove a DIMM Motherboard User Manual 1-11
1.5 Wi-Fi moving antenna installation Installing the ASUS Wi-Fi moving antenna Connect the bundled ASUS Wi-Fi moving antenna connector to the Wi-Fi ports at the back of the chassis. • Ensure that the ASUS Wi-Fi moving antenna is securely installed to the Wi-Fi ports. • Ensure that the antenna is at least 20 cm away from all persons. The illustration above is for reference only. The I/O port layout may vary with models, but the Wi-Fi moving antenna installation procedure is the same for all models.
Chapter 2: BIOS and RAID Support BIOS and RAID Support 2 For more details on BIOS and RAID configurations, please refer to Manual & Document under the Support tab of the product information site, or visit https://www.asus.com/support. 2.1 Knowing UEFI BIOS BIOS (Basic Input and Output System) stores system hardware settings such as storage device configuration, overclocking settings, advanced power management, and boot device configuration that are needed for system startup in the motherboard CMOS.
2.2 ASUS EZ Flash 3 The ASUS EZ Flash 3 feature allows you to update the BIOS without using an OS‑based utility. Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu or press the hotkey. To update the BIOS: 2-2 • This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only.
2.3 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using a USB flash drive that contains the BIOS file. Recovering the BIOS 1. Download the latest BIOS version for this motherboard from https://www.asus.com/support/. 2. Rename the file using one of the following methods: • Launch the BIOSRenamer.
2.4 RAID configurations The motherboard supports RAID configurations. RAID definitions Volume provides the ability to link-together storage from one or several disks, regardless of the size of the space on those disks. This configuration is useful in scavenging space on disks unused by other disks in the array. This configuration does not provide performance benefits or data redundancy, disk failure will result in data loss.
Appendix Appendix General Notices FCC Compliance Information Responsible Party: Address: Phone / Fax No: Asus Computer International 48720 Kato Rd., Fremont, CA 94538, USA (510)739-3777 / (510)608-4555 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.
VCCI: Japan Compliance Statement Class B ITE Japan JATE 本製品は電気通信事業者（移動通信会社、固定通信会社、インターネットプロバイダ等）の通信 回線（公衆無線LANを含む）に直接接続することができません。本製品をインターネットに接続す る場合は、必ずルーター等を経由し接続してください。 Declaration of compliance for product environmental regulation ASUS follows the green design concept to design and manufacture our products, and makes sure that each stage of the product life cycle of ASUS product is in line with global environmental regulations.
Türkiye RoHS AEEE Yönetmeliğine Uygundur 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. Please go to http://csr.asus.com/english/Takeback.htm for detailed recycling information in different regions. DO NOT throw the motherboard in municipal waste.
Notices for Wi-Fi model FCC RF Caution Statement WARNING: Any changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.
KC: Korea Warning Statement NCC: Wireless Statement 取得審驗證明之低功率射頻器材，非經核准，公司、商號或使用者均不得擅自變更頻 率、加大功率或變更原設計之特性及功能。低功率射頻器材之使用不得影響飛航安全及 干擾合法通信；經發現有干擾現象時，應 立即停用，並改善至無干擾時方得繼續使用。 前述合法通信，指依電信管理法規定作業之無線電通信。低功率射頻器材須忍受合法通 信或工業、科學及醫療用電波輻射性電機設備之干擾。 應避免影響附近雷達系統之操作。 Japan RF Equipment Statement 屋外での使用について 本製品は、5GHz帯域での通信に対応しています。電波法の定めにより5.2GHz、5.
Simplified UKCA Declaration of Conformity ASUSTek Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of The Radio Equipment Regulations 2017 (S.I. 2017/1206). Full text of UKCA declaration of conformity is available at https://www.asus.com/support/.
Simplified EU Declaration of Conformity ASUSTek Computer Inc. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. Full text of EU declaration of conformity is available at https://www.asus.com/support/ The WiFi operating in the band 5150-5350MHz shall be restricted to indoor use for countries listed in the table below: Déclaration simplifiée de conformité de l’UE ASUSTek Computer Inc.
Uproszczona deklaracja zgodności UE Firma ASUSTek Computer Inc. niniejszym oświadcza, że urządzenie to jest zgodne z zasadniczymi wymogami i innymi właściwymi postanowieniami dyrektywy 2014/53/EU. Pełny tekst deklaracji zgodności UE jest dostępny pod adresem https://www.asus.com/support/ W krajach wymienionych w tabeli działanie sieci Wi-Fi w paśmie 5150– 5350 MHz powinno być ograniczone wyłącznie do pomieszczeń: Declaração de Conformidade Simplificada da UE A ASUSTek Computer Inc.
Warranty EN: ASUS Guarantee Information • ASUS offers a voluntary manufacturer’s Commercial Guarantee. • ASUS reserves the right to interpret the provisions of the ASUS Commercial Guarantee. • This ASUS Commercial Guarantee is provided independently and in addition to the statutory Legal Guarantee and in no way affects or limits the rights under the Legal Guarantee. CR: Informacije o ASUS jamstvu • ASUS dragovoljno nudi komercijalno proizvođačko jamstvo.
PG: Informações de Garantia ASUS • A ASUS oferece uma Garantia Comercial voluntária do fabricante. • A ASUS reserva o direito de interpretar as disposições da Garantia Comercial da ASUS. • Esta Garantia Comercial da ASUS é fornecida de forma independente além da Garantia Legal estatutária e não afeta nem limita de qualquer forma os direitos estabelecidos na Garantia Legal. Para consultar todas as informações sobre a garantia, visite https://www.asus.com/pt/support/.
ASUS contact information ASUSTeK COMPUTER INC. Address: 1F., No. 15, Lide Rd., Beitou Dist., Taipei City 112 ASUS COMPUTER INTERNATIONAL (America) Address: 48720 Kato Rd., Fremont, CA 94538, USA ASUS COMPUTER GmbH (Germany and Austria) Address: Harkortstrasse 21-23, 40880 Ratingen, Germany ASUSTeK (UK) LIMITED Address: 1st Floor, Sackville House, 143-149 Fenchurch Street, London, EC3M 6BL, England, United Kingdom Service and Support Visit our multi-language website at https://www.asus.com/support.
