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Asus PRIME B650M-A AX II User Manual

Asus PRIME B650M-A AX II
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Motherboard
PRIME B650M-A AX II
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Asus PRIME B650M-A AX II Specifications

General IconGeneral
Processor socketSocket AM5
Processor manufacturerAMD
Compatible processor seriesAMD Ryzen 5, AMD Ryzen 7 7th Gen, AMD Ryzen 9 7th Gen
BluetoothYes
Wi-Fi standards802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Bluetooth version5.2
Top Wi-Fi standardWi-Fi 6 (802.11ax)
Ethernet interface type2.5 Gigabit Ethernet
Component forPC
Product colorMulticolor
Motherboard chipsetAMD B650
Audio output channels7.1 channels
Motherboard form factormicro ATX
Windows operating systems supportedWindows 10 x64, Windows 11, Windows RT 8.1
Memory channelsDual-channel
Memory slots typeDIMM
Number of memory slots4
Supported memory typesDDR5-SDRAM
Maximum internal memory128 GB
Supported memory clock speeds4800, 5000, 5200, 5400, 5600, 5800, 6000, 6200, 6400 MHz
Supported memory clock speed (max)6400 MHz
RAID levels0, 1, 10
Number of HDDs supported8
Supported storage drive typesHDD & SSD
Number of storage drives supported10
Supported storage drive interfacesM.2, SATA III
PCI slots0
Number of M.2 (M) slots2
Number of COM connectors1
BIOS typeUEFI AMI
BIOS memory size256 Mbit
DisplayPort version1.4
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
On-board graphics cardNo
Parallel processing technology supportNot supported
Cables includedSATA
Weight and Dimensions IconWeight and Dimensions
Width244 mm

Summary

Safety Information

Electrical Safety

Precautions to prevent electrical shock hazards when handling the system and its components.

Operation Safety

Guidelines for safe installation and operation of the motherboard and its components.

Button/Coin Batteries Safety Information

Warning regarding the dangers of swallowing button/coin batteries and necessary precautions.

About This Guide

How This Guide Is Organized

Explains the structure of the user guide and its main sections.

Where to Find More Information

Directs users to ASUS website and optional documentation for additional details.

Conventions Used in This Guide

Explains symbols used for CAUTION, IMPORTANT, and NOTE for proper task execution.

Package Contents

PRIME B650M-A AX II Specifications Summary

CPU

Specifies the supported AMD Ryzen™™ 7000 Series Desktop Processors.

Chipset

Details the AMD B650 Chipset and its features for the motherboard.

Memory

Describes DDR5 DIMM slots, capacity, and memory architecture support.

Graphics

Lists the available graphics output ports like DisplayPort, VGA, and HDMI.

Expansion Slots

Details the PCIe 4.0 x16 slots for graphics cards and other expansion cards.

PRIME B650M-A AX II Specifications Summary (Continued)

Storage

Details M.2 slots and SATA 6Gb/s ports for storage devices.

Ethernet

Specifies the Realtek 2.5Gb Ethernet port for network connectivity.

Wireless & Bluetooth®

Covers Wi-Fi 6 and Bluetooth v5.2 specifications and features.

USB

Lists front and rear USB ports, including Type-A and Type-C connectors.

Audio

Describes the Realtek 7.1 Surround Sound High Definition Audio CODEC.

Back Panel I/O Ports

Lists all ports available on the motherboard's rear panel.

PRIME B650M-A AX II Specifications Summary (Continued)

Internal I/O Connectors

Details internal connectors for fans, power, storage, USB, and miscellaneous items.

Special Features

Highlights ASUS proprietary features like 5X PROTECTION III, Q-Design, EZ DIY.

PRIME B650M-A AX II Specifications Summary (Continued)

Software Features

Lists included ASUS exclusive software and utilities for system management.

BIOS

Details BIOS type, ASUS EZ DIY features, and BIOS update utilities.

Manageability

Specifies manageability features like WOL by PME and PXE.

Operating System

Lists supported operating systems, primarily Windows 11 and 10.

Form Factor

Specifies the motherboard form factor as mATX.

Product Introduction

Before You Proceed

Lists crucial precautions before installing motherboard components or changing settings.

Product Introduction (Continued)

Motherboard Overview

Provides a visual layout and identification of key motherboard components.

Product Introduction (Continued)

CPU Socket

Describes the AMD Socket AM5 for Ryzen™™ 7000 Series Desktop Processors.

DDR5 DIMM Slots

Details the four DDR5 Dual Inline Memory Module (DIMM) sockets on the motherboard.

Expansion Slots

Lists the PCIe 4.0 x16 slots and their support for graphics and network cards.

Fan Headers

Explains the purpose and specifications of fan headers for system cooling.

Power Connectors

Describes the ATX power connectors for connecting the motherboard to a PSU.

Product Introduction (Continued)

M.2 Slots (Key M)

Details the M.2 slots for installing M.2 SSD modules.

SATA 6Gb/s Ports

Explains the use of SATA 6Gb/s ports for connecting storage devices.

USB 3.2 Gen 1 Type-C® Front Panel Connector

Describes the front panel USB Type-C connector for high-speed data transfer.

USB 3.2 Gen 1 Header

Details the USB 3.2 Gen 1 header for additional USB 3.2 Gen 1 ports.

USB 2.0 Headers

Explains the USB 2.0 headers for additional USB 2.0 ports.

Product Introduction (Continued)

Addressable Gen 2 Headers

Details headers for connecting addressable RGB WS2812B LED strips.

Aura RGB Header

Explains the Aura RGB header for connecting RGB LED strips.

Clear CMOS Header

Describes the Clear CMOS header for resetting BIOS settings.

Product Introduction (Continued)

COM Port Header

Details the COM (Serial) Port header for connecting a COM port module.

Front Panel Audio Header

Explains the header for connecting the chassis-mounted front panel audio module.

S/PDIF Out Header

Describes the header for an additional Sony/Philips Digital Interface (S/PDIF) port.

Speaker Header

Details the 4-pin header for the chassis-mounted system warning speaker.

SPI TPM Header

Explains the header for supporting a Trusted Platform Module (TPM) system.

Product Introduction (Continued)

System Panel Header

Details headers for chassis-mounted functions like power/HDD LEDs and buttons.

BIOS FlashBack™™ LED

Explains the BIOS FlashBack™™ LED indicator for BIOS update status.

Product Introduction (Continued)

Rear Panel Connectors

Identifies and describes all ports located on the motherboard's rear panel.

Product Introduction (Continued)

BIOS FlashBack™™ Button

Explains how to use the BIOS FlashBack™™ button for BIOS updates.

USB 3.2 Gen 1 (up to 5Gbps) Ports

Describes the USB 3.2 Gen 1 ports for connecting high-speed USB devices.

USB 2.0 Ports

Details the USB 2.0 ports for connecting standard USB devices.

USB 3.2 Gen 2 (up to 10Gbps) Ports

Explains the USB 3.2 Gen 2 ports for faster data transfer.

Wi-Fi 6 Ports

Details the ports for connecting the Wi-Fi 6 antenna.

Microphone Port

Describes the microphone port for audio input.

Central Processing Unit (CPU)

Installing the CPU

Provides step-by-step instructions and precautions for installing the CPU.

System Memory

DDR5 DIMM Sockets

Details the location and specifications of the four DDR5 DIMM sockets.

Recommended Memory Configurations

Illustrates recommended ways to install memory modules for optimal performance.

System Memory (Continued)

Installing a DIMM

Provides graphical instructions for installing a DIMM into the motherboard slot.

To Remove a DIMM

Shows the procedure for safely removing a DIMM from the motherboard.

BIOS and RAID Support

Knowing BIOS

Introduces the ASUS UEFI BIOS, its user-friendly interface, and essential settings.

BIOS and RAID Support (Continued)

BIOS Setup Program

Explains how to enter and navigate the BIOS Setup program.

BIOS and RAID Support (Continued)

ASUS EZ Flash 3

Details the ASUS EZ Flash 3 utility for updating the BIOS without an OS.

BIOS and RAID Support (Continued)

ASUS CrashFree BIOS 3

Explains the ASUS CrashFree BIOS 3 utility for recovering corrupted BIOS files.

BIOS and RAID Support (Continued)

RAID Configurations

Describes AMD RAIDXpert2 Technology and various RAID levels (0, 1, 10).

Appendix

Notices

Contains regulatory compliance information including FCC, RF exposure, and HDMI.

Appendix (Continued)

Regional Compliance Statements

Includes compliance information for Canada (ISED), Japan (VCCI, JATE), and Korea (KC).

Appendix (Continued)

Wireless and RF Equipment Statements

Covers NCC wireless statement, Japan RF equipment statement, and general usage precautions.

Environmental Compliance and Recycling

Product Environmental Regulations

Details compliance with EU REACH, RoHS, and regulations from India, Vietnam, and Türkiye.

Recycling and Takeback Services

Outlines ASUS commitment to responsible recycling and takeback programs for products.

Appendix (Continued)

France Sorting and Recycling

Provides information on French recycling procedures for the device and accessories.

Safety Precautions

General safety advice regarding the use of product accessories and potential risks.

UKCA Declaration of Conformity

Declares conformity with UK Radio Equipment Regulations, including RF output data.

EU Declaration of Conformity

EU Declaration of Conformity

Declares compliance with EU Directive 2014/53/EU for the device.

EU Declaration of Conformity (Continued)

CE RED RF Output Table

Lists RF output power levels for WiFi and Bluetooth as per EU regulations.

Warranty

ASUS Guarantee Information

Provides information on ASUS's voluntary manufacturer's commercial guarantee.

Warranty (Continued)

Warranty Information by Region

Details warranty terms and conditions specific to various regions and languages.

ASUS Contact and Support

ASUS Contact Information

Lists addresses for ASUS Computer International offices worldwide.

Service and Support

Directs users to the ASUS multi-language website for service and support.

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